{"id":101803,"date":"2025-09-14T00:15:00","date_gmt":"2025-09-13T17:15:00","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=101803"},"modified":"2025-10-28T17:31:34","modified_gmt":"2025-10-28T10:31:34","slug":"loi-laptop-khong-ket-noi-duoc-wifi","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/","title":{"rendered":"12 C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi nhanh ch\u00f3ng, hi\u1ec7u qu\u1ea3"},"content":{"rendered":"\n<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 nhanh ch\u00f3ng kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi v\u00e0 t\u1eadn h\u01b0\u1edfng l\u01b0\u1edbt m\u1ea1ng internet ch\u01a1i game m\u1ed9t c\u00e1ch m\u01b0\u1ee3t m\u00e0? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m trong b\u00e0i vi\u1ebft n\u00e0y. Trong b\u00e0i vi\u1ebft n\u00e0y <a href=\"https:\/\/phongvu.vn\/cong-nghe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi nhanh ch\u00f3ng, hi\u1ec7u qu\u1ea3 ngay t\u1ea1i nh\u00e0, kh\u00f4ng c\u1ea7n \u0111\u1ebfn s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a k\u1ef9 thu\u1eadt vi\u00ean.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a21bd28391f2\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a21bd28391f2\"  type=\"checkbox\" id=\"item-6a21bd28391f2\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#I_Nguyen_nhan_khien_laptop_khong_ket_noi_duoc_wifi\" title=\"I. Nguy\u00ean nh\u00e2n khi\u1ebfn laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\">I. Nguy\u00ean nh\u00e2n khi\u1ebfn laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#II_Cach_khac_phuc_loi_laptop_Window_khong_vao_duoc_wifi\" title=\"II. C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop Window kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c wifi\">II. C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop Window kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c wifi<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#1_Kiem_tra_Wi-Fi_da_duoc_bat\" title=\"1. Ki\u1ec3m tra Wi-Fi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt&nbsp;\">1. Ki\u1ec3m tra Wi-Fi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#2_Kiem_tra_cai_dat_mang_tren_Windows\" title=\"2. Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng tr\u00ean Windows\">2. Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng tr\u00ean Windows<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#3_Khoi_dong_lai_laptop_va_router_Wi-Fi\" title=\"3. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop v\u00e0 router Wi-Fi\">3. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop v\u00e0 router Wi-Fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#4_Tat_che_do_tiet_kiem_pin\" title=\"4. T\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin\">4. T\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#5_Xoa_mang_Wi-fi_va_ket_noi_lai\" title=\"5. X\u00f3a m\u1ea1ng Wi-fi v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i\">5. X\u00f3a m\u1ea1ng Wi-fi v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#6_Quet_virus_toan_bo_may_tinh\" title=\"6. Qu\u00e9t virus to\u00e0n b\u1ed9 m\u00e1y t\u00ednh\">6. Qu\u00e9t virus to\u00e0n b\u1ed9 m\u00e1y t\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#7_Cai_dat_lai_driver\" title=\"7. C\u00e0i \u0111\u1eb7t l\u1ea1i driver\">7. C\u00e0i \u0111\u1eb7t l\u1ea1i driver<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#8_Do_he_dieu_hanh_Windows_bi_loi\" title=\"8. Do h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows b\u1ecb l\u1ed7i\">8. Do h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows b\u1ecb l\u1ed7i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#III_Cach_sua_loi_Macbook_khong_ket_noi_duoc_wifi\" title=\"III. C\u00e1ch s\u1eeda l\u1ed7i Macbook kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi&nbsp;\">III. C\u00e1ch s\u1eeda l\u1ed7i Macbook kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi&nbsp;<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#1_Kiem_tra_bo_phat_song_wifi\" title=\"1. Ki\u1ec3m tra b\u1ed9 ph\u00e1t s\u00f3ng wifi\">1. Ki\u1ec3m tra b\u1ed9 ph\u00e1t s\u00f3ng wifi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#2_Khoi_dong_lai_Macbook\" title=\"2. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Macbook\">2. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Macbook<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#3_Kiem_tra_Wi-Fi_da_ket_noi_chua_va_xoa_Wi-Fi_ket_noi_lai\" title=\"3. Ki\u1ec3m tra Wi-Fi \u0111\u00e3 k\u1ebft n\u1ed1i ch\u01b0a v\u00e0 x\u00f3a Wi-Fi k\u1ebft n\u1ed1i l\u1ea1i\">3. Ki\u1ec3m tra Wi-Fi \u0111\u00e3 k\u1ebft n\u1ed1i ch\u01b0a v\u00e0 x\u00f3a Wi-Fi k\u1ebft n\u1ed1i l\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#4_Lam_moi_dia_chi_IP\" title=\"4. L\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP\">4. L\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#IV_Mot_so_goi_y_de_ket_noi_wifi_on_dinh_hon\" title=\"IV. M\u1ed9t s\u1ed1 g\u1ee3i \u00fd \u0111\u1ec3 k\u1ebft n\u1ed1i wifi \u1ed5n \u0111\u1ecbnh h\u01a1n\">IV. M\u1ed9t s\u1ed1 g\u1ee3i \u00fd \u0111\u1ec3 k\u1ebft n\u1ed1i wifi \u1ed5n \u0111\u1ecbnh h\u01a1n<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#1_Dieu_chinh_vi_tri_dat_router_va_di_chuyen_gan_hon_voi_diem_phat_song_wifi\" title=\"1. \u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed \u0111\u1eb7t router v\u00e0 di chuy\u1ec3n g\u1ea7n h\u01a1n v\u1edbi \u0111i\u1ec3m ph\u00e1t s\u00f3ng wifi\">1. \u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed \u0111\u1eb7t router v\u00e0 di chuy\u1ec3n g\u1ea7n h\u01a1n v\u1edbi \u0111i\u1ec3m ph\u00e1t s\u00f3ng wifi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#2_Uu_tien_khu_vuc_it_nguoi_su_dung_wifi\" title=\"2. \u01afu ti\u00ean khu v\u1ef1c \u00edt ng\u01b0\u1eddi s\u1eed d\u1ee5ng wifi\">2. \u01afu ti\u00ean khu v\u1ef1c \u00edt ng\u01b0\u1eddi s\u1eed d\u1ee5ng wifi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#V_Nhung_cau_hoi_thuong_gap_ve_van_de_laptop_khong_ket_noi_duoc_wifi\" title=\"V. Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 v\u1ea5n \u0111\u1ec1 laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\">V. Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 v\u1ea5n \u0111\u1ec1 laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#1_May_tinh_khong_ket_noi_duoc_wifi_tu_dien_thoai_thi_phai_lam_sao\" title=\"1. M\u00e1y t\u00ednh kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi t\u1eeb \u0111i\u1ec7n tho\u1ea1i th\u00ec ph\u1ea3i l\u00e0m sao?\">1. M\u00e1y t\u00ednh kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi t\u1eeb \u0111i\u1ec7n tho\u1ea1i th\u00ec ph\u1ea3i l\u00e0m sao?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#2_Laptop_khong_ho_tro_wifi_bang_tan_5Ghz_thi_co_thay_the_duoc_khong\" title=\"2. Laptop kh\u00f4ng h\u1ed7 tr\u1ee3 wifi b\u0103ng t\u1ea7n 5Ghz th\u00ec c\u00f3 thay th\u1ebf \u0111\u01b0\u1ee3c kh\u00f4ng?\">2. Laptop kh\u00f4ng h\u1ed7 tr\u1ee3 wifi b\u0103ng t\u1ea7n 5Ghz th\u00ec c\u00f3 thay th\u1ebf \u0111\u01b0\u1ee3c kh\u00f4ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-laptop-khong-ket-noi-duoc-wifi\/#VI_Tong_ket\" title=\"VI. T\u1ed5ng k\u1ebft\">VI. T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"I_Nguyen_nhan_khien_laptop_khong_ket_noi_duoc_wifi\"><\/span><strong>I. Nguy\u00ean nh\u00e2n khi\u1ebfn laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L\u1ed7i kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c Wi-Fi c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n\n\n\n<ul>\n<li>S\u1ef1 c\u1ed1 t\u1eeb h\u1ec7 th\u1ed1ng m\u1ea1ng ho\u1eb7c thi\u1ebft b\u1ecb ph\u00e1t Wi-Fi nh\u01b0 router, modem ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c b\u1ecb l\u1ed7i c\u1ea5u h\u00ecnh.<\/li>\n\n\n\n<li>B\u1ed9 ph\u00e1t Wi-Fi ch\u01b0a \u0111\u01b0\u1ee3c b\u1eadt \u0111\u00fang c\u00e1ch ho\u1eb7c c\u00f4ng t\u1eafc v\u1eadt l\u00fd \u0111ang \u1edf tr\u1ea1ng th\u00e1i t\u1eaft.<\/li>\n\n\n\n<li>T\u00ednh n\u0103ng Wi-Fi tr\u00ean thi\u1ebft b\u1ecb ch\u01b0a \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, \u0111\u1eb7c bi\u1ec7t v\u1edbi laptop c\u00f3 ph\u00edm b\u1eadt\/t\u1eaft ri\u00eang.<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb b\u1ecb nhi\u1ec5m virus ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng nh\u1eadn di\u1ec7n v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng d\u00e2y.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng VPN ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u1ed5i IP khi\u1ebfn h\u1ec7 th\u1ed1ng hi\u1ec3u sai c\u1ea5u h\u00ecnh m\u1ea1ng, d\u1eabn \u0111\u1ebfn l\u1ed7i.<\/li>\n\n\n\n<li>Driver Wi-Fi ch\u01b0a \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u0111\u00fang ho\u1eb7c \u0111\u00e3 l\u1ed7i th\u1eddi, \u0111\u00f4i khi b\u1ecb xung \u0111\u1ed9t v\u1edbi ph\u1ea7n m\u1ec1m kh\u00e1c ho\u1eb7c b\u1ecb virus can thi\u1ec7p g\u00e2y m\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"II_Cach_khac_phuc_loi_laptop_Window_khong_vao_duoc_wifi\"><\/span><strong>II. C\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop Window kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/phongvu.vn\/c\/laptop\" target=\"_blank\" rel=\"noreferrer noopener\">Laptop<\/a> c\u1ee7a b\u1ea1n \u0111ang g\u1eb7p v\u1ea5n \u0111\u1ec1 kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi? B\u1ea1n \u0111\u00e3 th\u1eed nhi\u1ec1u c\u00e1ch nh\u01b0ng v\u1eabn ch\u01b0a gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1? \u0110\u1eebng b\u1ecf cu\u1ed9c, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng h\u1ee3p c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop Window kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c wifi \u0111\u01a1n gi\u1ea3n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay t\u1ea1i nh\u00e0.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"1_Kiem_tra_Wi-Fi_da_duoc_bat\"><\/span><strong>1. Ki\u1ec3m tra Wi-Fi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o laptop k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi b\u00ecnh th\u01b0\u1eddng, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n ki\u1ec3m tra xem wifi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt hay ch\u01b0a. \u0110\u00f4i khi c\u00f3 th\u1ec3 ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 v\u00f4 t\u00ecnh t\u1eaft ch\u1ee9c n\u0103ng n\u00e0y d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o m\u1ea1ng.&nbsp;<\/p>\n\n\n\n<p>\u0110\u1ec3 ki\u1ec3m tra wifi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt, b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ki\u1ec3m tra \u0111\u00e8n b\u00e1o wifi tr\u00ean laptop. N\u1ebfu th\u1ea5y \u0111\u00e8n n\u00e0y kh\u00f4ng s\u00e1ng ngh\u0129a l\u00e0 wifi ch\u01b0a \u0111\u01b0\u1ee3c b\u1eadt, b\u1ea1n c\u1ea7n \u1ea5n m\u1ed9t l\u1ea7n n\u1eefa v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng \u0111\u00e8n b\u00e1o \u0111\u1ec3 b\u1eadt wifi. Ngo\u00e0i c\u00e1ch n\u00e0y, b\u1ea1n c\u00f2n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u1ed5 h\u1ee3p ph\u00edm \u0111\u1ec3 b\u1eadt l\u1ea1i wi-fi. C\u00e1c h\u00e3ng laptop kh\u00e1c nhau s\u1ebd c\u00f3 t\u1ed5 h\u1ee3p ph\u00edm t\u1eaft ri\u00eang \u0111\u1ec3 b\u1eadt wifi. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/c\/laptop-dell\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop-dell\">Laptop <\/a><a href=\"https:\/\/phongvu.vn\/c\/laptop-dell\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop-dell\" rel=\"noreferrer noopener\">D<\/a><a href=\"https:\/\/phongvu.vn\/c\/laptop-dell\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop-dell\">ell<\/a>: Fn + PrtScr<\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/c\/laptop-asus\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop-asus\" rel=\"noreferrer noopener\">Laptop Asus<\/a>: Fn + F2<\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/c\/laptop-lenovo\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop-lenovo\" rel=\"noreferrer noopener\">Laptop Lenovo<\/a>: Fn + F5 ho\u1eb7c Fn + F7<\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/c\/laptop-acer\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop-acer\" rel=\"noreferrer noopener\">Laptop Acer<\/a>: Fn + F5 ho\u1eb7c Fn + F2<\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/c\/laptop-hp\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop-hp\" rel=\"noreferrer noopener\">Laptop HP<\/a>: Fn + F12<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi.jpg\" alt=\"Ki\u1ec3m tra wifi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt hay ch\u01b0a b\u1eb1ng ph\u00edm t\u1eaft\" class=\"wp-image-150880\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Ki\u1ec3m tra wifi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt hay ch\u01b0a b\u1eb1ng ph\u00edm t\u1eaft<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"2_Kiem_tra_cai_dat_mang_tren_Windows\"><\/span><strong>2.<\/strong> <strong>Ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng tr\u00ean Windows<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 ki\u1ec3m tra c\u00e0i \u0111\u1eb7t m\u1ea1ng tr\u00ean Windows, b\u1ea1n truy c\u1eadp v\u00e0o Control Panel v\u00e0 th\u1ef1c hi\u1ec7n theo tr\u00ecnh t\u1ef1 c\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<ul>\n<li>Nh\u1ea5n ch\u1ecdn v\u00e0o m\u1ee5c \u201cNetwork and Sharing Center\u201d &gt; \u201cChange Adapter Settings\u201d<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1.jpg\" alt=\"Giao di\u1ec7n m\u1ee5c \u201cChange Adapter Settings\u201d trong Windows \u0111\u1ec3 qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i m\u1ea1ng.\" class=\"wp-image-150893\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Giao di\u1ec7n m\u1ee5c \u201cChange Adapter Settings\u201d trong Windows \u0111\u1ec3 qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i m\u1ea1ng.<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>\u1ede m\u1ee5c Wifi n\u1ebfu th\u1ea5y bi\u1ec3u t\u01b0\u1ee3ng m\u00e1y t\u00ednh m\u00e0u x\u00e1m th\u00ec nh\u1ea5n chu\u1ed9t ph\u1ea3i v\u00e0 ch\u1ecdn Connect \u0111\u1ec3 k\u1ebft n\u1ed1i<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2.jpg\" alt=\"N\u1ebfu bi\u1ec3u t\u01b0\u1ee3ng Wi-Fi hi\u1ec3n th\u1ecb m\u00e0u x\u00e1m, nh\u1ea5n chu\u1ed9t ph\u1ea3i v\u00e0 ch\u1ecdn \u201cConnect\u201d \u0111\u1ec3 k\u1ebft n\u1ed1i l\u1ea1i m\u1ea1ng.\" class=\"wp-image-150892\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-2-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">N\u1ebfu bi\u1ec3u t\u01b0\u1ee3ng Wi-Fi hi\u1ec3n th\u1ecb m\u00e0u x\u00e1m, nh\u1ea5n chu\u1ed9t ph\u1ea3i v\u00e0 ch\u1ecdn \u201cConnect\u201d \u0111\u1ec3 k\u1ebft n\u1ed1i l\u1ea1i m\u1ea1ng.<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"3_Khoi_dong_lai_laptop_va_router_Wi-Fi\"><\/span><strong>3. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop v\u00e0 router Wi-Fi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Tr\u01b0\u1eddng h\u1ee3p laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi b\u1ea1n h\u00e3y th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i. \u0110\u00e2y l\u00e0 c\u00e1ch l\u00e0m m\u1edbi Windows \u0111\u01a1n gi\u1ea3n v\u00e0 sau \u0111\u00f3 k\u1ebft n\u1ed1i l\u1ea1i wifi. B\u00ean c\u1ea1nh \u0111\u00f3, h\u00e3y th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i <a href=\"https:\/\/phongvu.vn\/c\/router-wifi\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/router-wifi\" rel=\"noreferrer noopener\">router wifi<\/a>. \u0110\u1ea7u ti\u00ean, b\u1ea1n nh\u00ecn v\u00e0o router\/ modem \u0111\u1ec3 ki\u1ec3m tra xem \u0111\u00e8n s\u00e1ng \u0111ang nh\u1ea5p nh\u00e1y kh\u00f4ng. N\u1ebfu c\u00f3 t\u1ee9c l\u00e0 m\u1ecdi th\u1ee9 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Ng\u01b0\u1ee3c l\u1ea1i n\u1ebfu xu\u1ea5t hi\u1ec7n \u0111\u00e8n v\u00e0ng hay cam, b\u1ea1n c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i router wifi ngay l\u1eadp t\u1ee9c \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1.jpg\" alt=\"Kh\u1eddi \u0111\u1ed9ng l\u1ea1i router \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi\" class=\"wp-image-150894\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-3-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Kh\u1eddi \u0111\u1ed9ng l\u1ea1i router \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi. (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"4_Tat_che_do_tiet_kiem_pin\"><\/span><strong>4. T\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Khi laptop \u1edf ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi. \u0110\u1ec3 t\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin tr\u00ean laptop Windows, b\u1ea1n th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:<\/p>\n\n\n\n<ul>\n<li>Truy c\u1eadp Control Panel &gt; Network and Sharing Center &gt; Change adapter settings<\/li>\n\n\n\n<li>Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ee5c wifi 2 &gt; ch\u1ecdn Properties<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4.jpg\" alt=\"Giao di\u1ec7n thu\u1ed9c t\u00ednh Wi-Fi trong ph\u1ea7n Change Adapter Settings\" class=\"wp-image-150899\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-4-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Giao di\u1ec7n thu\u1ed9c t\u00ednh Wi-Fi trong ph\u1ea7n Change Adapter Settings<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>Nh\u1ea5n v\u00e0o d\u00f2ng Client for Microsoft Networks &gt; ch\u1ecdn Configure<\/li>\n\n\n\n<li>B\u1ecf tick Allow the computer to turn off this device to save power \u1edf m\u1ee5c Power Management &gt; nh\u1ea5n OK<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1.jpg\" alt=\"Nh\u1ea5n Configure \u0111\u1ec3 v\u00e0o c\u00e0i \u0111\u1eb7t card m\u1ea1ng\" class=\"wp-image-150902\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-5-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Nh\u1ea5n Configure \u0111\u1ec3 v\u00e0o c\u00e0i \u0111\u1eb7t card m\u1ea1ng<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"5_Xoa_mang_Wi-fi_va_ket_noi_lai\"><\/span><strong>5. X\u00f3a m\u1ea1ng Wi-fi v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ec3 x\u00f3a m\u1ea1ng v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i t\u1eeb \u0111\u1ea7u, tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u1ea7n nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng wifi \u1edf g\u00f3c d\u01b0\u1edbi b\u00ean ph\u1ea3i m\u00e0n h\u00ecnh. Khi danh s\u00e1ch m\u1ea1ng wifi hi\u1ec7n l\u00ean, nh\u1ea5n chu\u1ed9t ph\u1ea3i v\u00e0o t\u00ean wifi mu\u1ed1n x\u00f3a v\u00e0 ch\u1ecdn Forget. Cu\u1ed1i c\u00f9ng l\u00e0 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i l\u1ea1i t\u1eeb \u0111\u1ea7u v\u00e0 ki\u1ec3m tra xem laptop \u0111\u00e3 truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o m\u1ea1ng ch\u01b0a.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1.jpg\" alt=\"X\u00f3a m\u1ea1ng Wi-fi v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i\" class=\"wp-image-150903\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-6-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">X\u00f3a m\u1ea1ng Wi-fi v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"6_Quet_virus_toan_bo_may_tinh\"><\/span><strong>6.<\/strong> <strong>Qu\u00e9t virus to\u00e0n b\u1ed9 m\u00e1y t\u00ednh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>M\u00e1y t\u00ednh b\u1ecb nhi\u1ec5m virus l\u00e0 m\u1ed9t trong nh\u1eefng l\u00ed do c\u00f3 th\u1ec3 khi\u1ebfn laptop kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 do b\u1ea1n v\u00f4 tr\u00ecnh truy c\u1eadp v\u00e0o m\u1ed9t trang web hay \u0111\u01b0\u1eddng link l\u1ea1, kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c. Do v\u1eady \u0111\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng n\u00e0y, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n qu\u00e9t virus tr\u00ean to\u00e0n b\u1ed9 m\u00e1y t\u00ednh.&nbsp;<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"7_Cai_dat_lai_driver\"><\/span><strong>7. C\u00e0i \u0111\u1eb7t l\u1ea1i driver<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u1edf tr\u00ean, driver b\u1ecb l\u1ed7i c\u00f3 th\u1ec3 khi\u1ebfn laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi. N\u1ebfu l\u1ed7i k\u1ebft n\u1ed1i wifi do driver b\u1ea1n c\u1ea7n ti\u1ebfn h\u00e0nh c\u00e0i \u0111\u1eb7t l\u1ea1i.<\/p>\n\n\n\n<ul>\n<li>T\u1ea1i thanh t\u00ecm ki\u1ebfm, nh\u1ea5n ch\u1ecdn Device Manager&gt; b\u1ea5m \u0111\u00fap v\u00e0o Network adapters&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7.jpg\" alt=\"M\u1edf Device Manager v\u00e0 truy c\u1eadp Network adapters \u0111\u1ec3 ki\u1ec3m tra driver Wi-Fi\" class=\"wp-image-150911\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-7-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">M\u1edf Device Manager v\u00e0 truy c\u1eadp Network adapters \u0111\u1ec3 ki\u1ec3m tra driver Wi-Fi<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>Ti\u1ebfp theo nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o Wifi driver&gt; ch\u1ecdn Uninstall device<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8.jpg\" alt=\"Nh\u1ea5p chu\u1ed9t ph\u1ea3i ch\u1ecdn Uninstall device \u0111\u1ec3 g\u1ee1 driver v\u00e0 c\u00e0i l\u1ea1i sau khi kh\u1edfi \u0111\u1ed9ng m\u00e1y\" class=\"wp-image-150910\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-8-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Nh\u1ea5p chu\u1ed9t ph\u1ea3i ch\u1ecdn Uninstall device \u0111\u1ec3 g\u1ee1 driver v\u00e0 c\u00e0i l\u1ea1i sau khi kh\u1edfi \u0111\u1ed9ng m\u00e1y<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i laptop. Sau khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i ki\u1ec3m tra xem laptop \u0111\u00e3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c v\u1edbi wifi ch\u01b0a.<\/li>\n<\/ul>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"8_Do_he_dieu_hanh_Windows_bi_loi\"><\/span><strong>8.<\/strong> <strong>Do h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows b\u1ecb l\u1ed7i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>H\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows b\u1ecb l\u1ed7i l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi. \u0110\u1ec3 kh\u1eafc ph\u1ee5c h\u1ec7 \u0111i\u1ec1u h\u00e0nh b\u1ecb l\u1ed7i, b\u1ea1n c\u1ea7n c\u00e0i \u0111\u1eb7t l\u1ea1i Windows. Tuy nhi\u00ean b\u1ea1n c\u1ea7n l\u01b0u \u00fd tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t l\u1ea1i h\u00e3y sao l\u01b0u d\u1eef li\u1ec7u quan tr\u1ecdng.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"III_Cach_sua_loi_Macbook_khong_ket_noi_duoc_wifi\"><\/span><strong>III.<\/strong> <strong>C\u00e1ch s\u1eeda l\u1ed7i Macbook kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00f3 kh\u00e1 nhi\u1ec1u nguy\u00ean nh\u00e2n khi\u1ebfn Macbook kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi. V\u1eady l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch s\u1eeda l\u1ed7i Macbook kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi h\u1eefu \u00edch d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng Mac.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"1_Kiem_tra_bo_phat_song_wifi\"><\/span><strong>1. Ki\u1ec3m tra b\u1ed9 ph\u00e1t s\u00f3ng wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Khi g\u1eb7p v\u1ea5n \u0111\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng, \u0111i\u1ec1u \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n l\u00e0m \u0111\u00f3 l\u00e0 ki\u1ec3m tra b\u1ed9 ph\u00e1t s\u00f3ng wifi c\u1ee7a gia \u0111\u00ecnh. N\u1ebfu b\u1ed9 ph\u00e1t s\u00f3ng c\u00f3 \u0111i\u1ec1u g\u00ec b\u1ea5t th\u01b0\u1eddng h\u00e3y th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i. Tr\u01b0\u1eddng h\u1ee3p b\u1ea1n v\u1eabn k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi nh\u01b0ng kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c internet th\u00ec h\u00e3y ki\u00ean tr\u00ec \u0111\u1ee3i th\u00eam 30 ph\u00fat &#8211; 1 ti\u1ebfng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 do m\u1ea1ng \u0111ang y\u1ebfu ho\u1eb7c t\u1eafc ngh\u1ebdn b\u1edfi nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng k\u1ebft n\u1ed1i m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1.jpg\" alt=\"Ki\u1ec3m tra b\u1ed9 ph\u00e1t s\u00f3ng wifi \u0111\u1ec3 ki\u1ec3m tra l\u1ed7i\" class=\"wp-image-150914\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-9-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Ki\u1ec3m tra b\u1ed9 ph\u00e1t s\u00f3ng wifi \u0111\u1ec3 ki\u1ec3m tra l\u1ed7i<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"2_Khoi_dong_lai_Macbook\"><\/span><strong>2. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Macbook<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Thi\u1ebft b\u1ecb Macbook s\u1eed d\u1ee5ng l\u00e2u ng\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng xung \u0111\u1ed9t ph\u1ea7n m\u1ec1m do ch\u1ea1y nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f9ng l\u00fac. \u0110i\u1ec1u n\u00e0y tuy kh\u00f4ng x\u1ea3y ra th\u01b0\u1eddng xuy\u00ean nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng nh\u1ea5t \u0111\u1ecbnh, trong \u0111\u00f3 c\u00f3 k\u1ebft n\u1ed1i wifi.&nbsp;C\u00e1ch kh\u1eafc ph\u1ee5c \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u00f3 l\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i Macbook. Tr\u00ean menu b\u1ea5m v\u00e0o thanh Apple r\u1ed3i ch\u1ecdn restart \u0111\u1ec3 m\u00e1y kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10.jpg\" alt=\"ruy c\u1eadp menu Apple v\u00e0 ch\u1ecdn Restart \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i MacBook nhanh ch\u00f3ng\" class=\"wp-image-150916\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-10-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">ruy c\u1eadp menu Apple v\u00e0 ch\u1ecdn Restart \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i MacBook nhanh ch\u00f3ng<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"3_Kiem_tra_Wi-Fi_da_ket_noi_chua_va_xoa_Wi-Fi_ket_noi_lai\"><\/span><strong>3. Ki\u1ec3m tra Wi-Fi \u0111\u00e3 k\u1ebft n\u1ed1i ch\u01b0a v\u00e0 x\u00f3a Wi-Fi k\u1ebft n\u1ed1i l\u1ea1i<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng wifi \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u1ea1i bi\u1ec3u t\u01b0\u1ee3ng wifi b\u00ean g\u00f3c ph\u1ea3i m\u00e0n h\u00ecnh. Ti\u1ebfp theo \u0111\u1ec3 x\u00f3a m\u1ea1ng wifi hi\u1ec7n t\u1ea1i, th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n\n\n\n<ul>\n<li>Click chu\u1ed9t tr\u00e1i v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng wifi tr\u00ean m\u00e0n h\u00ecnh &gt; ch\u1ecdn Network Preferences&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11.jpg\" alt=\"Truy c\u1eadp Network Preferences \u0111\u1ec3 xem v\u00e0 qu\u1ea3n l\u00fd m\u1ea1ng Wi-Fi \u0111\u00e3 k\u1ebft n\u1ed1i\" class=\"wp-image-150925\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-11-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Truy c\u1eadp Network Preferences \u0111\u1ec3 xem v\u00e0 qu\u1ea3n l\u00fd m\u1ea1ng Wi-Fi \u0111\u00e3 k\u1ebft n\u1ed1i<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>L\u00fac n\u00e0y m\u1ed9t h\u1ed9p \u0111i\u1ec1u khi\u1ec3n m\u1edbi hi\u1ec7n l\u00ean, ti\u1ebfn h\u00e0nh ch\u1ecdn v\u00e0o Advanced \u0111\u1ec3 danh s\u00e1ch c\u00e1c m\u1ea1ng wifi \u0111\u00e3 k\u1ebft n\u1ed1i hi\u1ec7n ra<\/li>\n\n\n\n<li>Ch\u1ecdn m\u1ea1ng wifi mu\u1ed1n x\u00f3a &gt; nh\u1ea5n d\u1ea5u \u201c-\u201d &gt; ch\u1ecdn OK<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12.jpg\" alt=\"Ch\u1ecdn m\u1ea1ng c\u0169 v\u00e0 nh\u1ea5n d\u1ea5u \u201c\u2013\u201d \u0111\u1ec3 x\u00f3a, sau \u0111\u00f3 k\u1ebft n\u1ed1i l\u1ea1i t\u1eeb \u0111\u1ea7u\" class=\"wp-image-150924\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-12-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Ch\u1ecdn m\u1ea1ng c\u0169 v\u00e0 nh\u1ea5n d\u1ea5u \u201c\u2013\u201d \u0111\u1ec3 x\u00f3a, sau \u0111\u00f3 k\u1ebft n\u1ed1i l\u1ea1i t\u1eeb \u0111\u1ea7u<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>Sau \u0111\u00f3 k\u1ebft n\u1ed1i l\u1ea1i v\u1edbi m\u1ea1ng wifi \u0111\u00f3<\/li>\n<\/ul>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"4_Lam_moi_dia_chi_IP\"><\/span><strong>4.<\/strong> <strong>L\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>C\u00e1c b\u01b0\u1edbc l\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP bao g\u1ed3m:<\/p>\n\n\n\n<ul>\n<li>Ch\u1ecdn m\u1ee5c System Preferences tr\u00ean thanh menu Apple &gt; Network &gt; Advanced<\/li>\n\n\n\n<li>Nh\u1ea5n v\u00e0o tab TCP\/ IP &gt; Renew DHCP Lease<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13.jpg\" alt=\"L\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP\" class=\"wp-image-150933\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-13-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">L\u00e0m m\u1edbi \u0111\u1ecba ch\u1ec9 IP<\/figcaption><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"IV_Mot_so_goi_y_de_ket_noi_wifi_on_dinh_hon\"><\/span><strong>IV.<\/strong> <strong>M\u1ed9t s\u1ed1 g\u1ee3i \u00fd \u0111\u1ec3 k\u1ebft n\u1ed1i wifi \u1ed5n \u0111\u1ecbnh h\u01a1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u1ea1n mu\u1ed1n t\u1eadn h\u01b0\u1edfng tr\u1ea3i nghi\u1ec7m k\u1ebft n\u1ed1i internet m\u01b0\u1ee3t m\u00e0, \u1ed5n \u0111\u1ecbnh? Ch\u1ec9 v\u1edbi v\u00e0i thao t\u00e1c \u0111\u01a1n gi\u1ea3n m\u00e0 chi\u1ebfc laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd \u0111\u1ec3 k\u1ebft n\u1ed1i wifi \u1ed5n \u0111\u1ecbnh h\u01a1n m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"1_Dieu_chinh_vi_tri_dat_router_va_di_chuyen_gan_hon_voi_diem_phat_song_wifi\"><\/span><strong>1. \u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed \u0111\u1eb7t router<\/strong> <strong>v\u00e0<\/strong> <strong>di chuy\u1ec3n g\u1ea7n h\u01a1n v\u1edbi \u0111i\u1ec3m ph\u00e1t s\u00f3ng wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>V\u1ecb tr\u00ed \u0111\u1eb7t router s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ea1nh\/ y\u1ebfu c\u1ee7a k\u1ebft n\u1ed1i m\u1ea1ng. V\u00ec v\u1eady h\u00e3y \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed \u0111\u1eb7t router sao cho h\u1ee3p l\u00fd \u0111\u1ec3 laptop c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i wifi \u1ed5n \u0111\u1ecbnh. V\u00ed d\u1ee5 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t router g\u1ea7n v\u1edbi thi\u1ebft b\u1ecb laptop \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ea1ng m\u01b0\u1ee3t m\u00e0 h\u01a1n. Ngo\u00e0i ra, tr\u01b0\u1eddng h\u1ee3p \u0111ang s\u1eed d\u1ee5ng wifi c\u00f4ng c\u1ed9ng, b\u1ea1n c\u00f3 th\u1ec3 di chuy\u1ec3n \u0111\u1ebfn g\u1ea7n \u0111i\u1ec3m ph\u00e1t s\u00f3ng \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ea1ng \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1.jpg\" alt=\"\u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed \u0111\u1eb7t router v\u00e0 di chuy\u1ec3n g\u1ea7n h\u01a1n v\u1edbi \u0111i\u1ec3m ph\u00e1t s\u00f3ng wifi\" class=\"wp-image-150936\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-14-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">\u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed \u0111\u1eb7t router v\u00e0 di chuy\u1ec3n g\u1ea7n h\u01a1n v\u1edbi \u0111i\u1ec3m ph\u00e1t s\u00f3ng wifi. (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"2_Uu_tien_khu_vuc_it_nguoi_su_dung_wifi\"><\/span><strong>2. \u01afu ti\u00ean khu v\u1ef1c \u00edt ng\u01b0\u1eddi s\u1eed d\u1ee5ng wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>K\u1ebft n\u1ed1i m\u1ea1ng c\u00f3 th\u1ec3 b\u1ecb ch\u1eadm, \u0111\u01a1 hay th\u1eadm ch\u00ed kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c n\u1ebfu xung quanh c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c k\u1ebft n\u1ed1i ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb gi\u00e1m s\u00e1t c\u00f9ng t\u1ea7n s\u1ed1. Do v\u1eady, k\u1ebft n\u1ed1i m\u1ea1ng s\u1ebd t\u1ed1i \u01b0u nh\u1ea5t khi b\u1ea1n s\u1eed d\u1ee5ng wifi \u1edf khu v\u1ef1c v\u1eafng ng\u01b0\u1eddi, \u00edt c\u00e1c thi\u1ebft b\u1ecb xung quanh.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1.jpg\" alt=\"Di chuy\u1ec3n \u0111\u1ebfn n\u01a1i \u00edt thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 Wi-Fi\" class=\"wp-image-150940\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2024\/10\/loi-lap-top-khong-bat-duoc-wifi-15-1-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Di chuy\u1ec3n \u0111\u1ebfn n\u01a1i \u00edt thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 Wi-Fi. (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>Tham kh\u1ea3o m\u1ed9t s\u1ed1 d\u00f2ng laptop t\u1ea1i <a href=\"https:\/\/phongvu.vn\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/\" rel=\"noreferrer noopener\">Phong V\u0169<\/a>: <\/p>\n\n\n\n<div class=\"pv-products-card\"><div class=\"pv-products-title\"><div><\/div><\/div><div class=\"pv-products\" data-type=\"carousel\" data-key=\"product-area\" data-skus=\"240201836,240302752,240602773,241205694,250203152,250306469,250637357,250642135,250719892\"><\/div><\/div>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"V_Nhung_cau_hoi_thuong_gap_ve_van_de_laptop_khong_ket_noi_duoc_wifi\"><\/span><strong>V. Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 v\u1ea5n \u0111\u1ec1 laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u00e1y t\u00ednh kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u phi\u1ec1n to\u00e1i cho ng\u01b0\u1eddi d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng h\u1ee3p nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 v\u1ea5n \u0111\u1ec1 tr\u00ean v\u00e0 \u0111\u01b0a ra gi\u1ea3i ph\u00e1p cho t\u1eebng tr\u01b0\u1eddng h\u1ee3p.<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"1_May_tinh_khong_ket_noi_duoc_wifi_tu_dien_thoai_thi_phai_lam_sao\"><\/span><strong>1.<\/strong> <strong>M\u00e1y t\u00ednh kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi t\u1eeb \u0111i\u1ec7n tho\u1ea1i th\u00ec ph\u1ea3i l\u00e0m sao?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111ang \u1edf n\u01a1i c\u00f4ng c\u1ed9ng b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i wifi \u0111\u01b0\u1ee3c ph\u00e1t t\u1eeb \u0111i\u1ec7n tho\u1ea1i cho m\u00e1y t\u00ednh nh\u01b0ng l\u1ea1i kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 do l\u1ed7i \u0111\u0103ng nh\u1eadp, virus x\u00e2m nh\u1eadp, m\u1ea1ng wifi b\u1ecb h\u1ea1n ch\u1ebf\u2026<\/p>\n\n\n\n<p>\u0110\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i n\u00e0y, b\u1ea1n th\u1ef1c hi\u1ec7n theo c\u00e1c c\u00e1ch sau:<\/p>\n\n\n\n<ul>\n<li>Ki\u1ec3m tra t\u00ednh n\u0103ng b\u1eaft wifi tr\u00ean<a href=\"https:\/\/phongvu.vn\/c\/laptop\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/c\/laptop\" rel=\"noreferrer noopener\"> laptop<\/a><\/li>\n\n\n\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh<\/li>\n\n\n\n<li>C\u1eadp nh\u1eadt ho\u1eb7c c\u00e0i \u0111\u1eb7t driver<\/li>\n<\/ul>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"2_Laptop_khong_ho_tro_wifi_bang_tan_5Ghz_thi_co_thay_the_duoc_khong\"><\/span><strong>2. Laptop kh\u00f4ng h\u1ed7 tr\u1ee3 wifi b\u0103ng t\u1ea7n 5Ghz th\u00ec c\u00f3 thay th\u1ebf \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Laptop kh\u00f4ng h\u1ed7 tr\u1ee3 wifi b\u0103ng t\u1ea7n 5Ghz th\u00ec hi\u1ec3n nhi\u00ean m\u00e1y t\u00ednh s\u1ebd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c v\u1edbi wifi. \u0110i\u1ec1u n\u00e0y l\u00e0 kh\u00f4ng th\u1ec3 thay th\u1ebf ho\u00e0n to\u00e0n b\u1edfi b\u1ea1n kh\u00f4ng th\u1ec3 thay ph\u1ea7n c\u1ee9ng b\u00ean trong laptop \u0111\u1ec3 n\u00e2ng c\u1ea5p kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n 5Ghz. Tuy nhi\u00ean v\u1eabn c\u00f3 gi\u1ea3i ph\u00e1p \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng 5Ghz. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi nh\u01b0 USB, adapter wifi\u2026<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"VI_Tong_ket\"><\/span><strong>VI. T\u1ed5ng k\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows v\u00e0 IOS. Hy v\u1ecdng nh\u1eefng th\u00f4ng tin h\u1eefu \u00edch tr\u00ean s\u1ebd gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c l\u1ed7i th\u00e0nh c\u00f4ng. V\u00e0 \u0111\u1eebng qu\u00ean ti\u1ebfp t\u1ee5c theo d\u00f5i <a href=\"https:\/\/phongvu.vn\/cong-nghe\/\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/\" target=\"_blank\" rel=\"noreferrer noopener\">Phong V\u0169 Tech News<\/a> \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00eam nhi\u1ec1u tin t\u1ee9c c\u00f4ng ngh\u1ec7 n\u1eefa nh\u00e9!<\/p>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan: <\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/huong-dan-tai-wifi-chia-khoa-van-nang-cho-laptop-va-pc\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/huong-dan-tai-wifi-chia-khoa-van-nang-cho-laptop-va-pc\/\" rel=\"noreferrer noopener\">H\u01b0\u1edbng d\u1eabn t\u1ea3i Wifi Ch\u00eca kh\u00f3a v\u1ea1n n\u0103ng cho laptop v\u00e0 PC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/loi-blue-screen-of-death\/\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/loi-blue-screen-of-death\/\" rel=\"noreferrer noopener\">C\u00e1ch s\u1eeda l\u1ed7i Blue Screen of Death (BSoD) with various error codes<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/xoa-ung-dung-tren-macbook\/\" data-type=\"URL\" data-id=\"https:\/\/phongvu.vn\/cong-nghe\/xoa-ung-dung-tren-macbook\/\" target=\"_blank\" rel=\"noreferrer noopener\">4 c\u00e1ch x\u00f3a, g\u1ee1 c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean Macbook \u0111\u01a1n gi\u1ea3n<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 nhanh ch\u00f3ng kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng laptop kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c wifi v\u00e0 t\u1eadn h\u01b0\u1edfng l\u01b0\u1edbt m\u1ea1ng internet ch\u01a1i game m\u1ed9t c\u00e1ch m\u01b0\u1ee3t m\u00e0? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m trong b\u00e0i vi\u1ebft n\u00e0y. Trong b\u00e0i vi\u1ebft n\u00e0y Phong V\u0169 Tech News s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i laptop kh\u00f4ng k\u1ebft n\u1ed1i [&hellip;]<\/p>\n","protected":false},"author":29,"featured_media":101805,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/101803"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/29"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=101803"}],"version-history":[{"count":5,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/101803\/revisions"}],"predecessor-version":[{"id":154296,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/101803\/revisions\/154296"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/101805"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=101803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=101803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=101803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}