{"id":9521,"date":"2019-06-09T14:31:21","date_gmt":"2019-06-09T14:31:21","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=9521"},"modified":"2025-06-05T15:57:28","modified_gmt":"2025-06-05T08:57:28","slug":"khac-phuc-loi-0xc000021a-tren-windows-8-8-1-10","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=9521","title":{"rendered":"H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u1ed7i 0xC000021A l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7i m\u00e0n h\u00ecnh xanh tr\u00ean Windows. Khi l\u1ed7i n\u00e0y x\u1ea3y ra s\u1ebd khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 truy c\u1eadp v\u00e0o Windows v\u00e0 th\u1eadm ch\u00ed b\u1ea1n kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c l\u1ed7i k\u1ec3 c\u1ea3 sau khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y nh\u01b0 c\u00e1c l\u1ed7i m\u00e0n h\u00ecnh xanh kh\u00e1c. Th\u1eadt t\u1ed3i t\u1ec7 ph\u1ea3i kh\u00f4ng n\u00e0o!<\/span><\/p>\n<figure id=\"attachment_9566\" aria-describedby=\"caption-attachment-9566\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9566 size-full\" title=\"H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/huong-dan-khac-phuc-loi-0xC000021a-tren-windows-8-8.1-10.jpg\" alt=\"H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10\" width=\"600\" height=\"380\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/huong-dan-khac-phuc-loi-0xC000021a-tren-windows-8-8.1-10.jpg 600w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/huong-dan-khac-phuc-loi-0xC000021a-tren-windows-8-8.1-10-510x323.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/huong-dan-khac-phuc-loi-0xC000021a-tren-windows-8-8.1-10-300x190.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-9566\" class=\"wp-caption-text\">H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ti\u1ebfp n\u1ed1i b\u00e0i vi\u1ebft tr\u01b0\u1edbc, H\u1ecdc vi\u1ec7n iT s\u1ebd chia s\u1ebb cho c\u00e1c b\u1ea1n c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A nhanh ch\u00f3ng tr\u00ean Windows 8\/8.1\/10.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><strong>Bi\u1ec3u hi\u1ec7n v\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10<\/strong><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong b\u00e0i vi\u1ebft: \u201c<\/span><a href=\"https:\/\/hocvienit.vn\/khac-phuc-loi-0xc000021a-tren-windows-7\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 7<\/span><\/a><span style=\"font-weight: 400;\">\u201d HocvieniT.vn \u0111\u00e3 \u0111\u1ec1 c\u1eadp r\u1ea5t r\u00f5 r\u00e0ng bi\u1ec3u hi\u1ec7n c\u0169ng nh\u01b0 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i 0xC000021A. Ch\u00ednh v\u00ec v\u1eady, trong b\u00e0i vi\u1ebft n\u00e0y, H\u1ecdc vi\u1ec7n iT s\u1ebd \u0111i lu\u00f4n v\u00e0o h\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><strong>H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10<\/strong><\/h2>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">G\u1ee1 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m v\u00e0 driver b\u1ecb l\u1ed7i<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n ph\u00e1t hi\u1ec7n th\u1ea5y ph\u1ea7n m\u1ec1m hay driver m\u1edbi c\u00e0i \u0111\u1eb7t xong m\u00e0 xu\u1ea5t hi\u1ec7n l\u1ed7i 0xC000021A th\u00ec kh\u1ea3 n\u0103ng cao l\u00e0 ch\u00ednh ph\u1ea7n m\u1ec1m hay driver \u0111\u00f3 g\u00e2y ra l\u1ed7i. Ch\u00ednh v\u00ec v\u1eady, b\u1ea1n h\u00e3y ti\u1ebfn h\u00e0nh g\u1ee1 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m hay driver \u0111\u00f3.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh g\u1ee1 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m ho\u1eb7c driver b\u1ecb l\u1ed7i b\u1ea1n c\u1ea7n k\u00edch ho\u1ea1t ch\u1ebf \u0111\u1ed9 <strong>Safe Mode<\/strong> b\u1eb1ng c\u00e1ch nh\u1ea5n v\u00e0 gi\u1eef ph\u00edm <strong>F8<\/strong> tr\u01b0\u1edbc khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh b\u1eaft \u0111\u1ea7u kh\u1edfi \u0111\u1ed9ng ho\u1eb7c tr\u01b0\u1edbc khi b\u1ea1n th\u1ea5y logo c\u1ee7a Windows \u0111\u00e3 hi\u1ec7n l\u00ean. N\u1ebfu kh\u00f4ng b\u1ea1n ph\u1ea3i kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y v\u00e0 th\u1ef1c hi\u1ec7n l\u1ea1i thao t\u00e1c tr\u00ean m\u1ed9t l\u1ea7n n\u1eefa. Ti\u1ebfp theo, trong m\u00e0n h\u00ecnh <strong>Advanced Boot Options<\/strong>, b\u1ea1n di chuy\u1ec3n xu\u1ed1ng m\u1ee5c <strong>Safe Mode<\/strong> v\u00e0 nh\u1ea5n <strong>Enter<\/strong> \u0111\u1ec3 k\u00edch ho\u1ea1t l\u00e0 xong.<\/span><\/p>\n<figure id=\"attachment_9567\" aria-describedby=\"caption-attachment-9567\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9567 size-full\" title=\"Advanced Boot Options\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/advanced-boot-options-1.jpg\" alt=\"Advanced Boot Options\" width=\"600\" height=\"451\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/advanced-boot-options-1.jpg 600w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/advanced-boot-options-1-510x383.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/advanced-boot-options-1-300x226.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/advanced-boot-options-1-463x348.jpg 463w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-9567\" class=\"wp-caption-text\">Advanced Boot Options<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">L\u00fac n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh g\u1ee1 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m ho\u1eb7c driver b\u1ecb l\u1ed7i nh\u01b0 b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng Clean Boot \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 tr\u00ean Windows<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u00f4ng th\u01b0\u1eddng khi m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n g\u1eb7p ph\u1ea3i tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c ho\u1eb7c g\u1eb7p ph\u1ea3i th\u00f4ng b\u00e1o l\u1ed7i trong qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng th\u00ec b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Clean Boot \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 tr\u00ean Windows. Do \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Clean Boot \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c b\u01b0\u1edbc s\u1eed d\u1ee5ng Clean Boot:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> Kh\u1edfi \u0111\u1ed9ng m\u00e1y t\u00ednh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> Nh\u1ea5n ph\u00edm Windows tr\u00ean b\u00e0n ph\u00edm m\u00e1y t\u00ednh, nh\u1eadp ti\u1ebfp l\u1ec7nh <strong>msconfig<\/strong> v\u00e0o khung t\u00ecm ki\u1ebfm c\u1ee7a Start v\u00e0 nh\u1ea5n <strong>Enter<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> T\u1ea1i <strong>Tab General<\/strong> c\u1ee7a c\u1eeda s\u1ed5 <strong>System Configuration Utility<\/strong>, b\u1ea1n ch\u1ecdn v\u00e0o m\u1ee5c <strong>Selective Startup<\/strong>. Khi \u0111\u00f3, b\u1ea1n thi\u1ebft l\u1eadp c\u00e1c m\u1ee5c b\u00ean d\u01b0\u1edbi nh\u01b0 sau:<\/span><\/p>\n<figure id=\"attachment_9568\" aria-describedby=\"caption-attachment-9568\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9568 size-full\" title=\"System Configuration Utility\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/system-configuration-utility.jpg\" alt=\"System Configuration Utility\" width=\"600\" height=\"401\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/system-configuration-utility.jpg 600w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/system-configuration-utility-510x341.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/system-configuration-utility-300x201.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-9568\" class=\"wp-caption-text\">System Configuration Utility<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Load Startup Items:<\/strong> B\u1ecf d\u1ea5u t\u00edch.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Load System Services:<\/strong> T\u00edch ch\u1ecdn.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Use Original BOOT.INI:<\/strong> T\u00edch ch\u1ecdn.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 4:<\/strong> B\u1ea1n chuy\u1ec3n ti\u1ebfp sang <strong>Tab Services<\/strong>, t\u1ea1i \u0111\u00e2y b\u1ea1n click ch\u1ecdn v\u00e0o <strong>Hide All Microsoft Services<\/strong> v\u00e0 ch\u1ecdn <strong>Disable all<\/strong>.<\/span><\/p>\n<figure id=\"attachment_9569\" aria-describedby=\"caption-attachment-9569\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9569 size-full\" title=\"Hide All Microsoft Services\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/hide-all-microsoft-services.jpg\" alt=\"Hide All Microsoft Services\" width=\"600\" height=\"401\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/hide-all-microsoft-services.jpg 600w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/hide-all-microsoft-services-510x341.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/hide-all-microsoft-services-300x201.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-9569\" class=\"wp-caption-text\">Hide All Microsoft Services<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 5:<\/strong> Cu\u1ed1i c\u00f9ng l\u00e0 nh\u1ea5n<strong> OK<\/strong> ho\u1eb7c <strong>Apply<\/strong> v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y l\u00e0 xong.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ch\u1ea1y l\u1ec7nh dism trong Command Prompt<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">B\u1edfi \u0111a s\u1ed1 tr\u01b0\u1eddng h\u1ee3p xu\u1ea5t hi\u1ec7n l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10 x\u1ea3y ra sau khi ti\u1ebfn h\u00e0nh c\u1eadp nh\u1eadt cho Windows. Do \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u1ec7nh dism trong Command Prompt \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 ch\u1ea1y l\u1ec7nh dism, b\u1ea1n th\u1ef1c hi\u1ec7n theo c\u00e1c thao t\u00e1c d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 1:<\/strong> Kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y t\u00ednh.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 2:<\/strong> Nh\u1ea5n v\u00e0 gi\u1eef ph\u00edm<strong> F8<\/strong> tr\u01b0\u1edbc khi h\u1ec7 \u0111i\u1ec1u h\u00e0nh b\u1eaft \u0111\u1ea7u kh\u1edfi \u0111\u1ed9ng ho\u1eb7c tr\u01b0\u1edbc khi b\u1ea1n th\u1ea5y logo c\u1ee7a Windows \u0111\u00e3 hi\u1ec7n l\u00ean. (N\u1ebfu ph\u00edm F8 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng th\u00ec b\u1ea1n c\u00f3 th\u1ec3 th\u1eed ph\u00edm F11)<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 3:<\/strong> T\u1ea1i c\u1eeda s\u1ed5 Choose an option, b\u1ea1n ch\u1ecdn m\u1ee5c <strong>Troubleshoot<\/strong> v\u00e0 ch\u1ecdn ti\u1ebfp <strong>Advanced options<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 4: <\/strong>Ch\u1ecdn <strong>Startup Settings<\/strong> v\u00e0 nh\u1ea5n <\/span><span style=\"font-weight: 400;\">ph\u00edm<strong> F6<\/strong>.<\/span><\/p>\n<figure id=\"attachment_46245\" aria-describedby=\"caption-attachment-46245\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-46245 size-full\" title=\"Nh\u1ea5n ph\u00edm F6\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/khac-phuc-loi-0xc000021a-tren-windows-8-8-1-10-1.jpg\" alt=\"Nh\u1ea5n ph\u00edm F6\" width=\"750\" height=\"470\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/khac-phuc-loi-0xc000021a-tren-windows-8-8-1-10-1.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/khac-phuc-loi-0xc000021a-tren-windows-8-8-1-10-1-300x188.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/khac-phuc-loi-0xc000021a-tren-windows-8-8-1-10-1-510x320.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-46245\" class=\"wp-caption-text\">Nh\u1ea5n ph\u00edm F6<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><strong>B\u01b0\u1edbc 5:<\/strong> Trong c\u1eeda s\u1ed5 Command Prompt, b\u1ea1n nh\u1eadp l\u1ec7nh \u201c<strong>dism \/image:D:\\ \/cleanup-image \/revertpendingactions<\/strong>\u201d v\u00e0 nh\u1ea5n <strong>Enter<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><i><span style=\"font-weight: 400;\">L\u01b0u \u00fd: K\u00fd t\u1ef1 \u201cD\u201d trong c\u00e2u l\u1ec7nh tr\u00ean l\u00e0 ch\u1ec9 \u1ed5 \u0111\u0129a \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t Windows 8\/8.1\/10. Do \u0111\u00f3, n\u1ebfu \u1ed5 \u0111\u0129a D kh\u00f4ng ph\u1ea3i l\u00e0 \u1ed5 \u0111\u0129a ch\u1ee9a h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a b\u1ea1n th\u00ec b\u1ea1n c\u1ea7n thay \u0111\u1ed5i t\u00ean c\u1ee7a \u1ed5 \u0111\u0129a t\u01b0\u01a1ng \u1ee9ng.<\/span><\/i><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u00f4 hi\u1ec7u h\u00f3a Driver Signature<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">N\u1ebfu driver g\u00e2y ra l\u1ed7i l\u00e0 driver \u0111i c\u00f9ng h\u1ec7 th\u1ed1ng khi b\u1ea1n ti\u1ebfn h\u00e0nh Update Windows th\u00ec b\u1ea1n c\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a Driver Signature \u0111\u1ec3 kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a Driver Signature, b\u1ea1n th\u1ef1c hi\u1ec7n t\u01b0\u01a1ng t\u1ef1 t\u1eeb b\u01b0\u1edbc 1 \u0111\u1ebfn b\u01b0\u1edbc 4 nh\u01b0 trong c\u00e1ch ch\u1ea1y l\u1ec7nh dism trong Command Prompt. Ti\u1ebfp theo, b\u1ea1n nh\u1ea5n ph\u00edm <strong>F7<\/strong> v\u00e0 m\u00e1y t\u00ednh s\u1ebd \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng v\u00e0o Windows trong tr\u1ea1ng th\u00e1i \u0111\u00e3 \u0111\u01b0\u1ee3c v\u00f4 hi\u1ec7u h\u00f3a Driver Signature.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i h\u1ec7 th\u1ed1ng<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kh\u00f4ng gi\u1ed1ng v\u1edbi Windows 7, v\u1edbi Windows 8\/8.1\/10 b\u1ea1n c\u00f3 th\u1ec3 kh\u1edfi \u0111\u1ed9ng l\u1ea1i to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. Nh\u01b0ng thao t\u00e1c n\u00e0y khi\u1ebfn to\u00e0n b\u1ed9 c\u00e1c d\u1eef li\u1ec7u c\u00e1 nh\u00e2n \u0111\u01b0\u1ee3c l\u01b0u trong m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n b\u1ecb x\u00f3a to\u00e0n b\u1ed9. Ch\u00ednh v\u00ec v\u1eady, tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n c\u00e1ch n\u00e0y, b\u1ea1n c\u1ea7n sao l\u01b0u d\u1eef li\u1ec7u ra m\u1ed9t \u1ed5 \u0111\u0129a kh\u00e1c ho\u1eb7c USB \u0111\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Th\u00eam m\u1ed9t l\u01b0u \u00fd n\u1eefa l\u00e0 qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd khi\u1ebfn Windows c\u1ee7a b\u1ea1n b\u1ecb h\u1ea1 c\u1ea5p, t\u1ee9c l\u00e0 n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng Windows 8.1 th\u00ec sau qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng l\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee7a b\u1ea1n s\u1ebd th\u00e0nh Windows 8\u2026 \u0110i\u1ec1u n\u00e0y c\u0169ng c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh ban \u0111\u1ea7u c\u1ee7a m\u00e1y th\u00ec b\u1ea1n ph\u1ea3i Update Windows.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c b\u01b0\u1edbc Reset h\u1ec7 th\u1ed1ng nh\u01b0 sau:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u1ea1n th\u1ef1c hi\u1ec7n y h\u1ec7t t\u1eeb b\u01b0\u1edbc 1 \u0111\u1ebfn b\u01b0\u1edbc 3 trong c\u00e1ch ch\u1ea1y l\u1ec7nh dism trong Command Prompt \u0111\u1ec3 truy c\u1eadp v\u00e0o m\u00e0n h\u00ecnh <strong>Troubleshoot<\/strong>.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">B\u1ea1n ch\u1ecdn ti\u1ebfp v\u00e0o <strong>Reset this PC<\/strong> \u0111\u1ec3 qu\u00e1 tr\u00ecnh kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111\u01b0\u1ee3c b\u1eaft \u0111\u1ea7u.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_9570\" aria-describedby=\"caption-attachment-9570\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9570 size-full\" title=\"Reset this PC\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/reset-this-pc.jpg\" alt=\"Reset this PC\" width=\"600\" height=\"401\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/reset-this-pc.jpg 600w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/reset-this-pc-510x341.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2019\/06\/reset-this-pc-300x201.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-9570\" class=\"wp-caption-text\">Reset this PC<\/figcaption><\/figure>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n l\u00fac n\u00e0y ch\u1ec9 l\u00e0 \u0111\u1ee3i cho \u0111\u1ebfn khi qu\u00e1 tr\u00ecnh k\u1ebft th\u00fac v\u00e0 nh\u1ea5n<strong> Next<\/strong> \u0111\u1ec3 thi\u1ebft l\u1eadp l\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh l\u00e0 xong.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT\u00a0v\u1ec1 c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10. Hi v\u1ecdng ch\u00fang gi\u00fap \u00edch cho b\u1ea1n trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u0169ng nh\u01b0 trong h\u1ecdc t\u1eadp. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, n\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o v\u1ec1 c\u00e1c ki\u1ebfn th\u1ee9c li\u00ean quan \u0111\u1ebfn m\u00e1y t\u00ednh kh\u00e1c th\u00ec b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y. V\u00e0 \u0111\u1eebng qu\u00ean \u0111\u00f3n \u0111\u1ecdc c\u00e1c b\u00e0i vi\u1ebft m\u1edbi nh\u1ea5t c\u1ee7a H\u1ecdc vi\u1ec7n iT nh\u00e9.<\/span><\/p>\n<p><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<\/i><\/p>\n<p><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<\/strong><\/p>\n<p><strong>MST: 0108733789<\/strong><\/p>\n<p><strong>Hotline: 0981 223 001<\/strong><\/p>\n<p><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><\/p>\n<p><strong>\u0110\u0103ng k\u00fd k\u00eanh Youtube \u0111\u1ec3 theo d\u00f5i c\u00e1c b\u00e0i h\u1ecdc c\u1ee7a Hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ed1t nh\u1ea5t:<\/strong>\u00a0<a href=\"http:\/\/bit.ly\/Youtube_HOCVIENiT\" target=\"_blank\" rel=\"noopener\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><\/p>\n<p><strong>Tham gia c\u1ed9ng \u0111\u1ed3ng H\u1ecdc vi\u1ec7n IT.vn t\u1ea1i:<\/strong>\u00a0<a href=\"https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/<\/a><br \/>\n<i><\/i><\/p>\n<p><strong><i>H\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ed7i 0xC000021A l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ed7i m\u00e0n h\u00ecnh xanh tr\u00ean Windows. Khi l\u1ed7i n\u00e0y x\u1ea3y ra s\u1ebd khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 truy c\u1eadp v\u00e0o Windows. Th\u1eadt t\u1ed3i t\u1ec7 ph\u1ea3i kh\u00f4ng n\u00e0o! Do \u0111\u00f3, HocvieniT.vn s\u1ebd chia s\u1ebb cho c\u00e1c b\u1ea1n c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i 0xC000021A tr\u00ean Windows 8\/8.1\/10.<\/p>\n","protected":false},"author":95,"featured_media":9566,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185,94,193],"tags":[338,339],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/9521"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9521"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/9521\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/9566"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}