{"id":127412,"date":"2025-04-28T00:33:10","date_gmt":"2025-04-27T17:33:10","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=127412"},"modified":"2025-12-24T09:38:48","modified_gmt":"2025-12-24T02:38:48","slug":"meo-tu-test-man-hinh-pc-hieu-qua-tai-nha","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/","title":{"rendered":"M\u1eb9o t\u1ef1 test m\u00e0n h\u00ecnh PC hi\u1ec7u qu\u1ea3 t\u1ea1i nh\u00e0, ai c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c"},"content":{"rendered":"\n<p>Test m\u00e0n h\u00ecnh m\u00e1y t\u00ednh s\u1ebd gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i m\u00e0n h\u00ecnh, ti\u1ebft ki\u1ec7m chi ph\u00ed s\u1eeda ch\u1eefa sau n\u00e0y v\u00e0 b\u1ea3o v\u1ec7 th\u1ecb l\u1ef1c. \u0110\u1eb7c bi\u1ec7t khi mua <a href=\"https:\/\/phongvu.vn\/c\/man-hinh-may-tinh-cu\">m\u00e0n h\u00ecnh m\u00e1y t\u00ednh c\u0169<\/a>, t\u1ef1 ki\u1ec3m tra k\u1ef9 m\u00e0n h\u00ecnh gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tr\u00e1nh r\u1eafc r\u1ed1i v\u1ec1 sau. <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 b\u1ea1n c\u00e1ch t\u1ef1 test m\u00e0n h\u00ecnh PC t\u1ea1i nh\u00e0 hi\u1ec7u qu\u1ea3.<\/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-6a20b7cf02cf9\" ><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-6a20b7cf02cf9\"  type=\"checkbox\" id=\"item-6a20b7cf02cf9\"><\/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\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/#I_Vi_sao_can_test_man_hinh_PC\" title=\"I. V\u00ec sao c\u1ea7n test m\u00e0n h\u00ecnh PC?\">I. V\u00ec sao c\u1ea7n test m\u00e0n h\u00ecnh PC?<\/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\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/#II_Nhung_loi_pho_bien_thuong_gap_o_man_hinh\" title=\"II. Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng g\u1eb7p \u1edf m\u00e0n h\u00ecnh\">II. Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng g\u1eb7p \u1edf m\u00e0n h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/#III_Cac_buoc_can_chuan_bi_truoc_khi_test\" title=\"III. C\u00e1c b\u01b0\u1edbc c\u1ea7n chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi test\">III. C\u00e1c b\u01b0\u1edbc c\u1ea7n chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/#IV_Huong_dan_test_man_hinh_thu_cong_tai_nha\" title=\"IV. H\u01b0\u1edbng d\u1eabn test m\u00e0n h\u00ecnh th\u1ee7 c\u00f4ng t\u1ea1i nh\u00e0\">IV. H\u01b0\u1edbng d\u1eabn test m\u00e0n h\u00ecnh th\u1ee7 c\u00f4ng t\u1ea1i nh\u00e0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/#V_Meo_xu_ly_nhanh_neu_phat_hien_loi_nho\" title=\"V. M\u1eb9o x\u1eed l\u00fd nhanh n\u1ebfu ph\u00e1t hi\u1ec7n l\u1ed7i nh\u1ecf\">V. M\u1eb9o x\u1eed l\u00fd nhanh n\u1ebfu ph\u00e1t hi\u1ec7n l\u1ed7i nh\u1ecf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/#VI_Khi_nao_nen_mang_ra_tiem_sua_chua\" title=\"VI. Khi n\u00e0o n\u00ean mang ra ti\u1ec7m s\u1eeda ch\u1eefa?\">VI. Khi n\u00e0o n\u00ean mang ra ti\u1ec7m s\u1eeda ch\u1eefa?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phongvu.vn\/cong-nghe\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha\/#VII_Ket_luan\" title=\"VII. K\u1ebft lu\u1eadn\">VII. K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"I_Vi_sao_can_test_man_hinh_PC\"><\/span><strong>I.<\/strong> <strong>V\u00ec sao c\u1ea7n test m\u00e0n h\u00ecnh PC?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ki\u1ec3m tra <a href=\"https:\/\/phongvu.vn\/c\/man-hinh-may-tinh\">m\u00e0n h\u00ecnh m\u00e1y t\u00ednh<\/a> l\u00e0 vi\u1ec7c n\u00ean l\u00e0m v\u00ec nhi\u1ec1u l\u00fd do. \u0110\u1ea7u ti\u00ean, n\u00f3 gi\u00fap b\u1ea1n c\u00f3 tr\u1ea3i nghi\u1ec7m h\u00ecnh \u1ea3nh t\u1ed1t nh\u1ea5t. M\u00e0n h\u00ecnh t\u1ed1t, hi\u1ec3n th\u1ecb \u0111\u00fang \u0111\u1ed9 ph\u00e2n gi\u1ea3i, \u0111\u1ed9 s\u00e1ng v\u00e0 m\u00e0u s\u1eafc s\u1ebd gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c v\u00e0 s\u1ef1 tho\u1ea3i m\u00e1i khi gi\u1ea3i tr\u00ed.<\/p>\n\n\n\n<p>Th\u1ee9 hai, ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i ti\u1ec1m \u1ea9n nh\u01b0 \u0111i\u1ec3m ch\u1ebft, s\u1ecdc m\u00e0n h\u00ecnh, \u00e1m m\u00e0u hay h\u1edf s\u00e1ng. Nh\u1eefng l\u1ed7i n\u00e0y ban \u0111\u1ea7u nh\u1ecf nh\u01b0ng c\u00f3 th\u1ec3 n\u1eb7ng h\u01a1n theo th\u1eddi gian.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2.jpg\" alt=\"Test m\u00e0n h\u00ecnh PC th\u01b0\u1eddng xuy\u00ean gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 x\u1ea3y ra\" class=\"wp-image-127417\" width=\"1440\" height=\"900\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-2-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Test m\u00e0n h\u00ecnh PC th\u01b0\u1eddng xuy\u00ean gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 x\u1ea3y ra (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>Th\u1ee9 ba, ki\u1ec3m tra m\u00e0n h\u00ecnh \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi mua m\u00e1y, nh\u1ea5t l\u00e0 m\u00e1y c\u0169 nh\u01b0 <a href=\"https:\/\/phongvu.vn\/c\/laptop\" target=\"_blank\" rel=\"noreferrer noopener\">laptop<\/a>. N\u00f3 gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c t\u00ecnh tr\u1ea1ng s\u1ea3n ph\u1ea9m, tr\u00e1nh mua ph\u1ea3i h\u00e0ng l\u1ed7i v\u00e0 tranh ch\u1ea5p v\u1ec1 sau li\u00ean quan \u0111\u1ebfn b\u1ea3o h\u00e0nh hay \u0111\u1ed5i tr\u1ea3.<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, ph\u00e1t hi\u1ec7n l\u1ed7i s\u1edbm th\u01b0\u1eddng s\u1eeda ch\u1eefa d\u1ec5 v\u00e0 r\u1ebb h\u01a1n. M\u00e0n h\u00ecnh l\u1ed7i nh\u00ecn l\u00e2u d\u1ec5 m\u1ecfi m\u1eaft, \u1ea3nh h\u01b0\u1edfng th\u1ecb l\u1ef1c. X\u1eed l\u00fd s\u1edbm l\u1ed7i nh\u1ecf c\u00f2n gi\u00fap m\u00e0n h\u00ecnh b\u1ec1n h\u01a1n.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"II_Nhung_loi_pho_bien_thuong_gap_o_man_hinh\"><\/span><strong>II. Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn th\u01b0\u1eddng g\u1eb7p \u1edf m\u00e0n h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L\u1ed7i hay g\u1eb7p l\u00e0 \u0111i\u1ec3m \u1ea3nh ch\u1ebft (Dead Pixel), ch\u1ea5m \u0111en nh\u1ecf kh\u00f4ng s\u00e1ng, th\u01b0\u1eddng do s\u1ea3n xu\u1ea5t, kh\u00f3 s\u1eeda t\u1ea1i nh\u00e0. T\u01b0\u01a1ng t\u1ef1 l\u00e0 \u0111i\u1ec3m \u1ea3nh b\u1ecb k\u1eb9t (Stuck Pixel), pixel b\u1ecb \u0111\u1ee9ng \u1edf m\u1ed9t m\u00e0u (\u0111\u1ecf, xanh l\u00e1, xanh d\u01b0\u01a1ng), c\u00f3 kh\u1ea3 n\u0103ng s\u1eeda \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3.jpg\" alt=\"L\u1ed7i hay g\u1eb7p l\u00e0 \u0111i\u1ec3m \u1ea3nh ch\u1ebft (Dead Pixel) v\u00e0 \u0111i\u1ec3m \u1ea3nh b\u1ecb k\u1eb9t (Stuck Pixel)\" class=\"wp-image-127418\" width=\"1440\" height=\"900\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-3-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">L\u1ed7i hay g\u1eb7p l\u00e0 \u0111i\u1ec3m \u1ea3nh ch\u1ebft (Dead Pixel) v\u00e0 \u0111i\u1ec3m \u1ea3nh b\u1ecb k\u1eb9t (Stuck Pixel) (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>L\u1ed7i h\u1edf s\u00e1ng (Backlight Bleed) l\u00e0 \u00e1nh s\u00e1ng n\u1ec1n r\u00f2 r\u1ec9 kh\u00f4ng \u0111\u1ec1u \u1edf c\u1ea1nh\/g\u00f3c, t\u1ea1o v\u1ec7t s\u00e1ng loang l\u1ed5, r\u00f5 nh\u1ea5t tr\u00ean n\u1ec1n \u0111en. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra do l\u1eafp r\u00e1p ho\u1eb7c va ch\u1ea1m.<\/p>\n\n\n\n<p>L\u1ed7i sai m\u00e0u ho\u1eb7c \u00e1m m\u00e0u (Color Inaccuracy\/Color Tint) l\u00e0 m\u00e0n h\u00ecnh hi\u1ec7n m\u00e0u kh\u00f4ng \u0111\u00fang, b\u1ecb ng\u1ea3 m\u00e0u ho\u1eb7c nh\u1ee3t nh\u1ea1t. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi m\u00e0n h\u00ecnh c\u0169, c\u00e0i \u0111\u1eb7t sai, l\u1ed7i c\u00e1p ho\u1eb7c driver. <\/p>\n\n\n\n<p>L\u1ed7i b\u00f3ng m\u1edd (Ghosting\/Motion Blur) l\u00e0 v\u1eadt chuy\u1ec3n \u0111\u1ed9ng nhanh \u0111\u1ec3 l\u1ea1i v\u1ec7t m\u1edd, li\u00ean quan th\u1eddi gian ph\u1ea3n h\u1ed3i m\u00e0n h\u00ecnh ch\u1eadm.<\/p>\n\n\n\n<p>L\u1ed7i nh\u1ea5p nh\u00e1y (Flickering) l\u00e0 m\u00e0n h\u00ecnh ch\u1edbp nh\u00e1y, do c\u00e1p l\u1ecfng, t\u1ea7n s\u1ed1 qu\u00e9t sai, driver l\u1ed7i, ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c l\u1ed7i ph\u1ea7n c\u1ee9ng. <\/p>\n\n\n\n<p>L\u1ed7i s\u1ecdc m\u00e0n h\u00ecnh (Lines on Screen), \u0111\u01b0\u1eddng k\u1ebb ngang d\u1ecdc, th\u01b0\u1eddng do l\u1ed7i c\u00e1p, card \u0111\u1ed3 h\u1ecda (VGA), ho\u1eb7c l\u1ed7i t\u1ea5m n\u1ec1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5.jpg\" alt=\"S\u1ecdc m\u00e0n h\u00ecnh (Lines on Screen) v\u1edbi c\u00e1c \u0111\u01b0\u1eddng ngang d\u1ecdc c\u0169ng l\u00e0 l\u1ed7i hay g\u1eb7p\" class=\"wp-image-127420\" width=\"1440\" height=\"900\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-5-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">S\u1ecdc m\u00e0n h\u00ecnh (Lines on Screen) v\u1edbi c\u00e1c \u0111\u01b0\u1eddng ngang d\u1ecdc c\u0169ng l\u00e0 l\u1ed7i hay g\u1eb7p (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>C\u00e1c l\u1ed7i h\u01b0 h\u1ecfng v\u1eadt l\u00fd nh\u01b0 tr\u1ea7y x\u01b0\u1edbc, n\u1ee9t v\u1ee1, ch\u1ea3y m\u1ef1c (\u0111\u1ed1m \u0111en\/t\u00edm loang l\u1ed5) th\u01b0\u1eddng do va \u0111\u1eadp, c\u1ea7n thay th\u1ebf. C\u00e1c l\u1ed7i kh\u00e1c g\u1ed3m m\u00e0n h\u00ecnh t\u1ed1i\/m\u1edd (l\u1ed7i \u0111\u00e8n n\u1ec1n), m\u00e0n h\u00ecnh kh\u00f4ng l\u00ean (ngu\u1ed3n, bo m\u1ea1ch, c\u00e1p, VGA), b\u1ecb nh\u00f2e, sai \u0111\u1ed9 ph\u00e2n gi\u1ea3i\/k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 s\u00e1ng kh\u00f4ng \u0111\u1ec1u\/c\u00f3 v\u1ebft \u1ed1. Nh\u1eadn bi\u1ebft \u0111\u00fang l\u1ed7i gi\u00fap t\u00ecm c\u00e1ch kh\u1eafc ph\u1ee5c ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p><strong>Xem th\u00eam:<\/strong> <a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-kiem-tra-pc-khong-len-man-hinh\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch ki\u1ec3m tra PC kh\u00f4ng l\u00ean m\u00e0n h\u00ecnh c\u1ef1c k\u00ec chi ti\u1ebft<\/a><\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"III_Cac_buoc_can_chuan_bi_truoc_khi_test\"><\/span><strong>III. C\u00e1c b\u01b0\u1edbc c\u1ea7n chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi test<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi test m\u00e0n h\u00ecnh, chu\u1ea9n b\u1ecb k\u1ef9 gi\u00fap k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c h\u01a1n. \u0110\u1ea7u ti\u00ean, l\u00e0m s\u1ea1ch m\u00e0n h\u00ecnh. B\u1ee5i b\u1ea9n d\u1ec5 nh\u1ea7m v\u1edbi \u0111i\u1ec3m \u1ea3nh l\u1ed7i. D\u00f9ng kh\u0103n m\u1ec1m, s\u1ea1ch, lo\u1ea1i microfiber lau nh\u1eb9. C\u00f3 th\u1ec3 l\u00e0m \u1ea9m kh\u0103n b\u1eb1ng dung d\u1ecbch v\u1ec7 sinh chuy\u00ean d\u1ee5ng, tr\u00e1nh h\u00f3a ch\u1ea5t m\u1ea1nh.<\/p>\n\n\n\n<p>Sau \u0111\u00f3, b\u1eadt m\u00e0n h\u00ecnh kho\u1ea3ng 30 ph\u00fat cho n\u00f3ng m\u00e1y. Linh ki\u1ec7n \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh gi\u00fap m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 s\u00e1ng hi\u1ec3n th\u1ecb ch\u00ednh x\u00e1c h\u01a1n khi test m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<p>Ki\u1ec3m tra k\u1ebft n\u1ed1i v\u1eadt l\u00fd. C\u1eafm ch\u1eafc ch\u1eafn c\u00e1p t\u00edn hi\u1ec7u (HDMI, DisplayPort, DVI, VGA) v\u00e0o c\u1ea3 m\u00e0n h\u00ecnh v\u00e0 m\u00e1y t\u00ednh. C\u00e1p l\u1ecfng ho\u1eb7c h\u1ecfng c\u00f3 th\u1ec3 g\u00e2y l\u1ed7i hi\u1ec3n th\u1ecb. N\u1ebfu nghi ng\u1edd, th\u1eed c\u00e1p kh\u00e1c.<\/p>\n\n\n\n<p>\u0110\u1ea3m b\u1ea3o m\u00e0n h\u00ecnh ch\u1ea1y \u1edf \u0111\u1ed9 ph\u00e2n gi\u1ea3i g\u1ed1c (native resolution). \u0110\u1ed9 ph\u00e2n gi\u1ea3i th\u1ea5p h\u01a1n l\u00e0m h\u00ecnh \u1ea3nh m\u1edd, \u1ea3nh h\u01b0\u1edfng test \u0111\u1ed9 s\u1eafc n\u00e9t. Ch\u1ec9nh \u0111\u1ed9 ph\u00e2n gi\u1ea3i trong c\u00e0i \u0111\u1eb7t hi\u1ec3n th\u1ecb c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/p>\n\n\n\n<p>M\u00f4i tr\u01b0\u1eddng test m\u00e0n h\u00ecnh c\u0169ng \u1ea3nh h\u01b0\u1edfng. N\u00ean test trong ph\u00f2ng thi\u1ebfu s\u00e1ng ho\u1eb7c t\u1ed1i \u0111\u1ec3 d\u1ec5 ph\u00e1t hi\u1ec7n h\u1edf s\u00e1ng, \u0111i\u1ec3m ch\u1ebft. \u00c1nh s\u00e1ng m\u1ea1nh b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 che khuy\u1ebft \u0111i\u1ec3m nh\u1ecf.<\/p>\n\n\n\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t test m\u00e0n h\u00ecnh, nh\u1ea5t l\u00e0 test chuy\u1ec3n \u0111\u1ed9ng, \u0111\u00f3ng b\u1edbt c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng c\u1ea7n thi\u1ebft \u0111ang ch\u1ea1y. Gi\u00fap tr\u00e1nh m\u00e1y b\u1ecb ch\u1eadm, nh\u1ea7m l\u1eabn v\u1edbi l\u1ed7i m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, ki\u1ec3m tra v\u00e0 c\u1eadp nh\u1eadt driver card \u0111\u1ed3 h\u1ecda l\u00ean b\u1ea3n m\u1edbi nh\u1ea5t. Driver c\u0169 ho\u1eb7c l\u1ed7i c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 hi\u1ec3n th\u1ecb. T\u1ea3i driver t\u1eeb trang ch\u1ee7 NVIDIA, AMD, Intel.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"IV_Huong_dan_test_man_hinh_thu_cong_tai_nha\"><\/span><strong>IV.<\/strong> <strong>H\u01b0\u1edbng d\u1eabn test m\u00e0n h\u00ecnh th\u1ee7 c\u00f4ng t\u1ea1i nh\u00e0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Sau khi chu\u1ea9n b\u1ecb xong, b\u1eaft \u0111\u1ea7u test m\u00e0n h\u00ecnh b\u1eb1ng m\u1eaft th\u01b0\u1eddng v\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3. \u0110\u1ea7u ti\u00ean, nh\u00ecn t\u1ed5ng quan. Quan s\u00e1t k\u1ef9 b\u1ec1 m\u1eb7t m\u00e0n h\u00ecnh khi t\u1eaft t\u00ecm v\u1ebft x\u01b0\u1edbc, n\u1ee9t. Khi b\u1eadt m\u00e0n h\u00ecnh, xem c\u00f3 s\u1ecdc, v\u1ebft \u1ed1, \u0111\u1ed1m m\u1edd, nh\u1ea5p nh\u00e1y, h\u00ecnh nh\u00f2e hay s\u00e1ng b\u1ea5t th\u01b0\u1eddng kh\u00f4ng.<\/p>\n\n\n\n<p>Ti\u1ebfp theo, test \u0111i\u1ec3m \u1ea3nh l\u1ed7i (Dead Pixel, Stuck Pixel). C\u00e1ch hay nh\u1ea5t l\u00e0 hi\u1ec3n th\u1ecb l\u1ea7n l\u01b0\u1ee3t c\u00e1c m\u00e0u \u0111\u01a1n s\u1eafc full m\u00e0n h\u00ecnh: \u0111en, tr\u1eafng, \u0111\u1ecf, xanh l\u1ee5c, xanh lam. \u0110i\u1ec3m ch\u1ebft l\u00e0 ch\u1ea5m \u0111en tr\u00ean n\u1ec1n tr\u1eafng. \u0110i\u1ec3m k\u1eb9t gi\u1eef nguy\u00ean m\u1ed9t m\u00e0u tr\u00ean n\u1ec1n \u0111en ho\u1eb7c m\u00e0u kh\u00e1c. D\u00f9ng c\u00e1c trang web nh\u01b0 Myscreenchecker.com, Blackscreen.tech ho\u1eb7c ph\u1ea7n m\u1ec1m nh\u01b0 Dead Pixel Locator \u0111\u1ec3 d\u1ec5 chuy\u1ec3n m\u00e0u n\u1ec1n.<\/p>\n\n\n\n<p>\u0110\u1ec3 test h\u1edf s\u00e1ng (Backlight Bleed), t\u0103ng s\u00e1ng m\u00e0n h\u00ecnh t\u1ed1i \u0111a, hi\u1ec3n th\u1ecb \u1ea3nh \u0111en tuy\u1ec1n trong ph\u00f2ng t\u1ed1i. Quan s\u00e1t c\u00e1c c\u1ea1nh v\u00e0 g\u00f3c m\u00e0n h\u00ecnh, th\u1ea5y v\u1ec7t s\u00e1ng tr\u1eafng\/v\u00e0ng r\u00f2 r\u1ec9 l\u00e0 h\u1edf s\u00e1ng. L\u01b0u \u00fd ph\u00e2n bi\u1ec7t v\u1edbi IPS Glow.<\/p>\n\n\n\n<p>Test m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t. D\u00f9ng c\u00e1c m\u1eabu test (test patterns) c\u00f3 thang x\u00e1m, d\u1ea3i m\u00e0u chuy\u1ec3n ti\u1ebfp (gradients). Xem m\u00e0u c\u00f3 \u0111\u00fang, b\u1ecb \u00e1m m\u00e0u kh\u00f4ng, d\u1ea3i m\u00e0u chuy\u1ec3n m\u01b0\u1ee3t hay b\u1ecb ph\u00e2n b\u1eadc (banding). Hi\u1ec3n th\u1ecb m\u00e0u tr\u1eafng\/x\u00e1m full m\u00e0n h\u00ecnh xem \u0111\u1ed9 s\u00e1ng\/m\u00e0u c\u00f3 \u0111\u1ec1u kh\u1eafp kh\u00f4ng. EIZO Monitor Test c\u00f3 c\u00e1c b\u00e0i test m\u00e0n h\u00ecnh chuy\u00ean d\u1ee5ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4.jpg\" alt=\"C\u00f4ng c\u1ee5 nh\u01b0 EIZO Monitor Test c\u00f3 nhi\u1ec1u b\u00e0i test chuy\u00ean v\u1ec1 m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t\" class=\"wp-image-127419\" width=\"1440\" height=\"900\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-4-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">C\u00f4ng c\u1ee5 nh\u01b0 EIZO Monitor Test c\u00f3 nhi\u1ec1u b\u00e0i test chuy\u00ean v\u1ec1 m\u00e0u s\u1eafc v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>V\u1edbi c\u00e1c game th\u1ee7, test b\u00f3ng m\u1edd (Ghosting), t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i (Response Time) l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. D\u00f9ng b\u00e0i test chuy\u1ec3n \u0111\u1ed9ng nhanh, v\u00ed d\u1ee5 tr\u00ean TestUFO.com. Quan s\u00e1t v\u1eadt chuy\u1ec3n \u0111\u1ed9ng xem c\u00f3 v\u1ec7t m\u1edd (ghosting) hay v\u1ec7t s\u00e1ng\/t\u1ed1i ng\u01b0\u1ee3c (inverse ghosting) kh\u00f4ng. Th\u1eed c\u00e1c t\u1ed1c \u0111\u1ed9, ch\u1ec9nh Overdrive (n\u1ebfu c\u00f3) \u0111\u1ec3 t\u1ed1i \u01b0u.<\/p>\n\n\n\n<p>Test \u0111\u1ed9 s\u1eafc n\u00e9t (Sharpness) b\u1eb1ng v\u0103n b\u1ea3n, \u1ea3nh chi ti\u1ebft. \u0110\u1ea3m b\u1ea3o \u0111\u00fang \u0111\u1ed9 ph\u00e2n gi\u1ea3i g\u1ed1c. Ch\u1eef, chi ti\u1ebft nh\u1ecf ph\u1ea3i r\u00f5, kh\u00f4ng m\u1edd hay c\u00f3 vi\u1ec1n l\u1ea1.<\/p>\n\n\n\n<p>Test g\u00f3c nh\u00ecn (Viewing Angle). Xem m\u00e0n h\u00ecnh t\u1eeb c\u00e1c g\u00f3c kh\u00e1c nhau. M\u00e0n h\u00ecnh t\u1ed1t duy tr\u00ec m\u00e0u, s\u00e1ng \u1ed5n \u0111\u1ecbnh khi nh\u00ecn nghi\u00eang.<\/p>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, x\u00e1c nh\u1eadn t\u1ea7n s\u1ed1 qu\u00e9t (Refresh Rate). Ki\u1ec3m tra trong c\u00e0i \u0111\u1eb7t hi\u1ec3n th\u1ecb h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 d\u00f9ng c\u00f4ng c\u1ee5 nh\u01b0 TestUFO.com \u0111\u1ea3m b\u1ea3o m\u00e0n h\u00ecnh ch\u1ea1y \u0111\u00fang t\u1ea7n s\u1ed1 t\u1ed1i \u0111a, kh\u00f4ng b\u1ecb b\u1ecf khung h\u00ecnh (frame skipping).<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"V_Meo_xu_ly_nhanh_neu_phat_hien_loi_nho\"><\/span><strong>V. M\u1eb9o x\u1eed l\u00fd nhanh n\u1ebfu ph\u00e1t hi\u1ec7n l\u1ed7i nh\u1ecf<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi ph\u00e1t hi\u1ec7n l\u1ed7i nh\u1ecf tr\u00ean m\u00e0n h\u00ecnh, c\u00f3 v\u00e0i c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 th\u1eed \u1edf nh\u00e0:&nbsp;<\/p>\n\n\n\n<ul>\n<li><strong>\u0110i\u1ec3m \u1ea3nh b\u1ecb k\u1eb9t (stuck pixel): <\/strong>C\u00e1ch an to\u00e0n l\u00e0 d\u00f9ng ph\u1ea7n m\u1ec1m\/web nh\u01b0 JScreenFix, UDPixel, PixelHealer. Ch\u00fang nh\u00e1y m\u00e0u nhanh ch\u1ed7 pixel l\u1ed7i, \u0111\u00f4i khi gi\u00fap n\u00f3 ho\u1ea1t \u0111\u1ed9ng l\u1ea1i. Cho ch\u1ea1y 10-20 ph\u00fat. C\u00e1ch kh\u00e1c, c\u1ea7n c\u1ef1c k\u1ef3 c\u1ea9n th\u1eadn: t\u1eaft m\u00e0n h\u00ecnh, d\u00f9ng v\u1eadt m\u1ec1m (t\u1ea9y b\u1ecdc v\u1ea3i \u1ea9m) \u1ea5n nh\u1eb9 ch\u1ed7 pixel k\u1eb9t, b\u1eadt l\u1ea1i m\u00e0n h\u00ecnh. L\u1eb7p l\u1ea1i v\u00e0i l\u1ea7n v\u1edbi l\u1ef1c t\u0103ng nh\u1eb9, tr\u00e1nh \u1ea5n qu\u00e1 m\u1ea1nh.<\/li>\n\n\n\n<li><strong>M\u00e0n h\u00ecnh nh\u1ea5p nh\u00e1y (flickering)<\/strong> <strong>ho\u1eb7c nhi\u1ec5u nh\u1eb9<\/strong>: \u0111\u1ea7u ti\u00ean kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y. Ki\u1ec3m tra c\u00e1p k\u1ebft n\u1ed1i, c\u1eafm ch\u1eb7t, kh\u00f4ng h\u1ecfng. Th\u1eed c\u00e1p kh\u00e1c. C\u1eadp nh\u1eadt driver card \u0111\u1ed3 h\u1ecda m\u1edbi nh\u1ea5t c\u0169ng th\u01b0\u1eddng gi\u00fap. Ki\u1ec3m tra, th\u1eed \u0111\u1ed5i t\u1ea7n s\u1ed1 qu\u00e9t (Refresh Rate) trong c\u00e0i \u0111\u1eb7t h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/li>\n\n\n\n<li><strong>V\u1ea5n \u0111\u1ec1 m\u00e0u s\u1eafc sai, \u00e1m m\u00e0u, \u0111\u1ed9 s\u00e1ng\/t\u01b0\u01a1ng ph\u1ea3n kh\u00f4ng nh\u01b0 \u00fd<\/strong>: ch\u1ec9nh trong menu OSD (On-Screen Display) c\u1ee7a m\u00e0n h\u00ecnh. H\u1ea7u h\u1ebft c\u00f3 t\u00f9y ch\u1ecdn &#8220;Reset v\u1ec1 c\u00e0i \u0111\u1eb7t g\u1ed1c&#8221; (Factory Reset). Ph\u1ea7n m\u1ec1m card \u0111\u1ed3 h\u1ecda c\u0169ng c\u00f3 t\u00f9y ch\u1ec9nh m\u00e0u.<\/li>\n\n\n\n<li><strong>H\u1edf s\u00e1ng nh\u1eb9 (backlight bleed) ho\u1eb7c IPS glow<\/strong>: th\u01b0\u1eddng kh\u00f3 s\u1eeda ho\u00e0n to\u00e0n \u1edf nh\u00e0. Gi\u1ea3m \u0111\u1ed9 s\u00e1ng m\u00e0n h\u00ecnh c\u00f3 th\u1ec3 l\u00e0m m\u1edd v\u1ec7t s\u00e1ng n\u00e0y, nh\u1ea5t l\u00e0 d\u00f9ng ph\u00f2ng t\u1ed1i.<\/li>\n\n\n\n<li><strong>M\u00e0n h\u00ecnh \u0111\u1ed9t nhi\u00ean thu nh\u1ecf\/ph\u00f3ng to<\/strong>: ki\u1ec3m tra c\u00e0i \u0111\u1eb7t \u0111\u1ed9 ph\u00e2n gi\u1ea3i, t\u1ef7 l\u1ec7 hi\u1ec3n th\u1ecb (scaling) trong h\u1ec7 \u0111i\u1ec1u h\u00e0nh. \u0110\u1ea3m b\u1ea3o \u0111\u1eb7t \u1edf m\u1ee9c khuy\u1ebfn ngh\u1ecb ho\u1eb7c 100%. \u0110\u00f4i khi do b\u1ea5m nh\u1ea7m Ctrl + l\u0103n chu\u1ed9t. N\u1ebfu nghi do driver, c\u1eadp nh\u1eadt ho\u1eb7c c\u00e0i l\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"VI_Khi_nao_nen_mang_ra_tiem_sua_chua\"><\/span><strong>VI. Khi n\u00e0o n\u00ean mang ra ti\u1ec7m s\u1eeda ch\u1eefa?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t s\u1ed1 l\u1ed7i m\u00e0n h\u00ecnh nh\u1ecf t\u1ef1 s\u1eeda \u0111\u01b0\u1ee3c, nh\u01b0ng nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng h\u01a1n s\u1ebd c\u1ea7n b\u1ea1n t\u00ecm \u0111\u1ebfn trung t\u00e2m s\u1eeda ch\u1eefa. Bi\u1ebft khi n\u00e0o c\u1ea7n mang ra ti\u1ec7m uy t\u00edn l\u00e0 quan tr\u1ecdng, tr\u00e1nh l\u00e0m h\u1ecfng th\u00eam ho\u1eb7c t\u1ed1n ti\u1ec1n kh\u00f4ng \u0111\u00e1ng.<\/p>\n\n\n\n<ul>\n<li>\u0110\u1ea7u ti\u00ean, h\u01b0 h\u1ecfng v\u1eadt l\u00fd n\u1eb7ng nh\u01b0 m\u00e0n h\u00ecnh n\u1ee9t, v\u1ee1 do va \u0111\u1eadp, ch\u1ea3y m\u1ef1c (\u0111\u1ed1m \u0111en, t\u00edm loang l\u1ed5) th\u01b0\u1eddng c\u1ea7n thay t\u1ea5m n\u1ec1n. N\u1ebfu c\u00f3 nhi\u1ec1u \u0111i\u1ec3m \u1ea3nh ch\u1ebft (dead pixels), nh\u1ea5t l\u00e0 t\u1eadp trung ho\u1eb7c nhi\u1ec1u h\u01a1n s\u1ed1 l\u01b0\u1ee3ng h\u00e3ng ch\u1ea5p nh\u1eadn b\u1ea3o h\u00e0nh (th\u01b0\u1eddng tr\u00ean 5 \u0111i\u1ec3m), c\u0169ng c\u1ea7n s\u1eeda\/thay.<\/li>\n\n\n\n<li>M\u00e0n h\u00ecnh s\u1ecdc ngang d\u1ecdc d\u00e0y \u0111\u1eb7c kh\u00f4ng h\u1ebft sau khi ki\u1ec3m tra c\u00e1p, driver: c\u00f3 th\u1ec3 l\u1ed7i panel ho\u1eb7c c\u00e1p trong. M\u00e0n h\u00ecnh kh\u00f4ng l\u00ean h\u00ecnh (\u0111en\/tr\u1eafng x\u00f3a) d\u00f9 m\u00e1y ch\u1ea1y, sau khi lo\u1ea1i tr\u1eeb l\u1ed7i c\u00e1p: th\u01b0\u1eddng do l\u1ed7i ngu\u1ed3n, bo m\u1ea1ch m\u00e0n h\u00ecnh ho\u1eb7c card \u0111\u1ed3 h\u1ecda.&nbsp;<\/li>\n\n\n\n<li>M\u00e0n h\u00ecnh qu\u00e1 t\u1ed1i\/m\u1edd kh\u00f3 nh\u00ecn d\u00f9 t\u0103ng s\u00e1ng t\u1ed1i \u0111a: th\u01b0\u1eddng do l\u1ed7i \u0111\u00e8n n\u1ec1n. Nh\u1ea5p nh\u00e1y, gi\u1eadt h\u00ecnh li\u00ean t\u1ee5c kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch c\u01a1 b\u1ea3n: d\u1ea5u hi\u1ec7u l\u1ed7i ph\u1ea7n c\u1ee9ng.<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu \u0111\u00e3 th\u1eed c\u00e1c m\u1eb9o x\u1eed l\u00fd nhanh l\u1ed7i nh\u1ecf (\u0111i\u1ec3m k\u1eb9t, sai m\u00e0u, nhi\u1ec5u) m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c, ho\u1eb7c l\u1ed7i n\u1eb7ng h\u01a1n, th\u00ec n\u00ean c\u1ea7n t\u00ecm \u0111\u1ebfn c\u00e1c trung t\u00e2m s\u1eeda ch\u1eefa.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6.jpg\" alt=\"Nh\u00e2n vi\u00ean s\u1eeda ch\u1eefa c\u00f3 d\u1ee5ng c\u1ee5 v\u00e0 kinh nghi\u1ec7m \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n ch\u00ednh x\u00e1c, tr\u00e1nh s\u1eeda ch\u1eefa sai b\u1ec7nh\" class=\"wp-image-127421\" width=\"1440\" height=\"900\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-1024x640.jpg 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/meo-tu-test-man-hinh-pc-hieu-qua-tai-nha-6-1344x840.jpg 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Nh\u00e2n vi\u00ean s\u1eeda ch\u1eefa c\u00f3 d\u1ee5ng c\u1ee5 v\u00e0 kinh nghi\u1ec7m \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n ch\u00ednh x\u00e1c, tr\u00e1nh s\u1eeda ch\u1eefa sai b\u1ec7nh (Ngu\u1ed3n: Internet)<\/figcaption><\/figure>\n\n\n\n<p>N\u1ebfu m\u00e0n h\u00ecnh c\u1ee7a b\u1ea1n c\u00f2n b\u1ea3o h\u00e0nh, li\u00ean h\u1ec7 ngay trung t\u00e2m b\u1ea3o h\u00e0nh ho\u1eb7c n\u01a1i b\u00e1n. H\u1ecd s\u1ebd ki\u1ec3m tra, s\u1eeda\/thay mi\u1ec5n ph\u00ed n\u1ebfu l\u1ed7i thu\u1ed9c b\u1ea3o h\u00e0nh. \u0110\u1eebng t\u1ef1 th\u00e1o m\u00e0n h\u00ecnh l\u00fac c\u00f2n b\u1ea3o h\u00e0nh.<\/p>\n\n\n\n<p>V\u1edbi m\u00e0n h\u00ecnh h\u1ebft b\u1ea3o h\u00e0nh, c\u00e2n nh\u1eafc chi ph\u00ed s\u1eeda. L\u1ed7i ngu\u1ed3n, cao \u00e1p c\u00f3 th\u1ec3 s\u1eeda gi\u00e1 h\u1ee3p l\u00fd. L\u1ed7i panel th\u01b0\u1eddng r\u1ea5t \u0111\u1eaft, c\u00f3 khi g\u1ea7n b\u1eb1ng mua m\u00e0n m\u1edbi. So s\u00e1nh chi ph\u00ed s\u1eeda \u1edf ti\u1ec7m uy t\u00edn v\u1edbi gi\u00e1 m\u00e0n h\u00ecnh m\u1edbi \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh h\u1ee3p l\u00fd nh\u1ea5t.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"VII_Ket_luan\"><\/span><strong>VII. K\u1ebft lu\u1eadn<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 ki\u1ec3m tra m\u00e0n h\u00ecnh PC t\u1ea1i nh\u00e0 v\u00f4 c\u00f9ng d\u1ec5 \u0111ang, gi\u00fap \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb v\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm v\u1ea5n \u0111\u1ec1. B\u1eb1ng c\u00e1ch ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n, b\u1ea1n d\u1ec5 d\u00e0ng \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng m\u00e0n h\u00ecnh. Tuy nhi\u00ean, c\u1ea7n bi\u1ebft khi n\u00e0o v\u1ea5n \u0111\u1ec1 v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng v\u00e0 c\u1ea7n mang \u0111\u1ebfn c\u00e1c trung t\u00e2m b\u1ea3o h\u00e0nh s\u1eeda ch\u1eefa. N\u1ebfu m\u00e0n h\u00ecnh b\u1ecb l\u1ed7i qu\u00e1 n\u1eb7ng, c\u00e2n nh\u1eafc chi ph\u00ed s\u1eeda v\u00e0 mua m\u1edbi, \u0111\u1eb7c bi\u1ec7t v\u1edbi m\u00e0n h\u00ecnh h\u1ebft b\u1ea3o h\u00e0nh.<\/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\/chon-man-hinh-do-hoa\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch ch\u1ecdn m\u00e0n h\u00ecnh \u0111\u1ed3 h\u1ecda chu\u1ea9n m\u00e0u, ch\u1ea5t l\u01b0\u1ee3ng cho d\u00e2n thi\u1ebft k\u1ebf<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/top-man-hinh-van-phong-gia-re-dang-mua-nhat\/\" target=\"_blank\" rel=\"noreferrer noopener\">Top 10 m\u00e0n h\u00ecnh v\u0103n ph\u00f2ng gi\u00e1 r\u1ebb, \u0111\u00e1ng mua nh\u1ea5t 2025<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/nen-mua-man-hinh-may-tinh-bao-nhieu-inch\/\" target=\"_blank\" rel=\"noreferrer noopener\">N\u00ean mua m\u00e0n h\u00ecnh m\u00e1y t\u00ednh bao nhi\u00eau inch? \u0110\u00e2u l\u00e0 k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh ph\u00f9 h\u1ee3p<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Test m\u00e0n h\u00ecnh m\u00e1y t\u00ednh s\u1ebd gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c l\u1ed7i m\u00e0n h\u00ecnh, ti\u1ebft ki\u1ec7m chi ph\u00ed s\u1eeda ch\u1eefa sau n\u00e0y v\u00e0 b\u1ea3o v\u1ec7 th\u1ecb l\u1ef1c. \u0110\u1eb7c bi\u1ec7t khi mua m\u00e0n h\u00ecnh m\u00e1y t\u00ednh c\u0169, t\u1ef1 ki\u1ec3m tra k\u1ef9 m\u00e0n h\u00ecnh gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tr\u00e1nh r\u1eafc r\u1ed1i v\u1ec1 [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":127416,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74,1029,24],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/127412"}],"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\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=127412"}],"version-history":[{"count":5,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/127412\/revisions"}],"predecessor-version":[{"id":161515,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/127412\/revisions\/161515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/127416"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=127412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=127412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=127412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}