{"id":6412,"date":"2018-12-08T07:19:05","date_gmt":"2018-12-08T07:19:05","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=6412"},"modified":"2024-07-03T16:22:15","modified_gmt":"2024-07-03T09:22:15","slug":"laptop-dell-vostro-1400-kich-nguon-tat","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=6412","title":{"rendered":"Laptop Dell Vostro 1400 k\u00edch ngu\u1ed3n t\u1eaft"},"content":{"rendered":"<figure id=\"attachment_12605\" aria-describedby=\"caption-attachment-12605\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12605 size-full\" title=\"Laptop Vostro 1400 k\u00edch ngu\u1ed3n t\u1eaft \" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/12\/laptop-vostro-kich-nguon-tat.jpg\" alt=\"Laptop Vostro 1400 k\u00edch ngu\u1ed3n t\u1eaft\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/12\/laptop-vostro-kich-nguon-tat.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/12\/laptop-vostro-kich-nguon-tat-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/12\/laptop-vostro-kich-nguon-tat-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/12\/laptop-vostro-kich-nguon-tat-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-12605\" class=\"wp-caption-text\">Laptop Vostro 1400 k\u00edch ngu\u1ed3n t\u1eaft<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">1: Do \u0111\u00e2u m\u00e0 Laptop Dell Vostro 1400 ph\u00e1t sinh l\u1ed7i?<\/span><\/h2>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ea7u ti\u00ean l\u00e0 c\u00e1c d\u00f2ng m\u00e1y nh\u01b0: <a href=\"https:\/\/www.dell.com\/vn\/p\/\">Dell<\/a> Vostro 1400, inspiron 1420, dell Studio 1318, Dell M1330 c\u00f3 th\u1ec3 do t\u1ef1 l\u1ed7i, nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 do ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh s\u1eeda ch\u1eefa do c\u00e1c nguy\u00ean nh\u00e2n sau<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">khi \u0111\u00f3ng l\u1ea1i <a href=\"https:\/\/hocvienit.vn\/chipset-la-gi-tim-hieu-chi-tiet-ve-chipset\/\">chipset<\/a>, k\u00edch ngu\u1ed3n, d\u00f2ng ti\u00eau th\u1ee5 l\u00ean 05 &#8211; 0.7A r\u1ed3i t\u1eaft<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u0169ng c\u00f3 khi, Pan b\u1ec7nh ban \u0111\u1ea7u kh\u00f4ng ph\u1ea3i l\u00e0 k\u00edch\/t\u1eaft nh\u01b0ng khi s\u1eeda xong 1 Pan n\u00e0o \u0111\u00f3 v\u00ed d\u1ee5 nh\u01b0 m\u00e1y m\u1ea5t ngu\u1ed3n ho\u00e0n to\u00e0n, sau khi s\u1eeda c\u00f3 ngu\u1ed3n th\u00ec m\u00e1y l\u1ea1i ph\u00e1t sinh th\u00eam Pan k\u00edch l\u00ean r\u1ed3i t\u1eaft .<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Tuy nhi\u00ean, c\u00f3 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p b\u1ec7nh ph\u00e1t sinh kh\u00e1 r\u00f5 r\u00e0ng \u0111\u00f3 l\u00e0 khi m\u00e1y b\u1ecb s\u1ecdc r\u00e1c m\u00e0n h\u00ecnh sau khi l\u00e0m ch\u00e2n \u0111\u00f3ng l\u1ea1i chip VGA th\u00ec ph\u00e1t sinh Pan k\u00edch l\u00ean d\u00f2ng 0.5A r\u1ed3i t\u1eaft.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 m\u00e1y th\u00ec m\u1ea5t ngu\u1ed3n RAM v\u00e0 sau khi s\u1eeda c\u00f3 ngu\u1ed3n RAM th\u00ec c\u0169ng c\u00f3 th\u00eam b\u1ec7nh k\u00edch ngu\u1ed3n l\u00ean r\u1ed3i t\u1eaft.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ho\u1eb7c nan gi\u1ea3i h\u01a1n n\u1eefa l\u00e0 khi kh\u1ed1i ngu\u1ed3n 15V l\u1ed7i kh\u00f4ng \u0111\u1ee7 \u00e1p ho\u1eb7c m\u1ea5t \u00e1p n\u00ean s\u1ebd l\u00e0m cho c\u00e1c ngu\u1ed3n chuy\u1ec3n ti\u1ebfp b\u1ecb ng\u1eaft qu\u00e3ng l\u00e0m cho m\u1ed9t s\u1ed1 kh\u1ed1i ngu\u1ed3n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c m\u00e1y c\u00f3 ngu\u1ed3n \u0111\u1ee7, l\u00ean h\u00ecnh sau \u0111\u00f3 m\u00e1y t\u1ef1 t\u1eaft v\u1ec1 d\u00f2ng ch\u1edd.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u1eefng pan b\u1ec7nh k\u1ec3 tr\u00ean \u0111a ph\u1ea7n l\u00e0 do ch\u00fang ta qu\u00ean ho\u1eb7c ch\u1ee7 quan kh\u00f4ng l\u00e0m s\u1ea1ch, v\u1ec7 sinh g\u1ea7m ch\u00edp \u0111\u1ec3 l\u1ea1i d\u01b0\u1edbi g\u1ea7m ch\u00e2n ch\u00edp 1 l\u1edbp h\u00f3a ch\u1ea5t ( m\u1ee1 \u0111\u00f3ng chip, m\u1ee1 l\u00e0m ch\u00e2n ch\u00edp) ch\u00ednh l\u1edbp m\u1ee1 nay \u0111\u00e3 t\u1ea1o ra nh\u1eefng \u0111i\u1ec7n tr\u1edf &#8220;k\u00fd sinh&#8221; gi\u1eefa c\u00e1c ch\u00e2n ch\u00edp k\u1ebft qu\u1ea3 l\u00e0 m\u00e1y k\u00edch \/ t\u1eaft c\u00f3 h\u00ecnh ho\u1eb7c kh\u00f4ng h\u00ecnh. Ho\u1eb7c khi v\u1ec7 sinh m\u1ee1 h\u00e0n l\u1edbp m\u1ee1 n\u00e0y b\u00e1m v\u00e0o socket <a href=\"https:\/\/hocvienit.vn\/huong-dan-ep-xung-cpu-thanh-cong\/\">CPU<\/a> k\u1ebft qu\u1ea3 l\u00e0 CPU ti\u1ebfp x\u00fac k\u00e9m d\u1eabn \u0111\u1ebfn vi\u1ec7c k\u00edch kh\u1edfi \u0111\u1ed9ng m\u00e1y kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1eaft.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">2: Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/span><\/h2>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">V\u1ec1 nguy\u00ean l\u00fd th\u00ec v\u1eabn nh\u01b0 bao kh\u1ed1i n\u00e2ng \u00e1p kh\u00e1c nh\u01b0ng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t \u1edf ch\u1ed7 l\u00e0:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">V\u1edbi c\u00e1c m\u00e1y kh\u00e1c , kh\u1ed1i n\u00e2ng \u00e1p \u0111\u1ec1u l\u1ea5y xung kho\u1ea3ng 300Khz t\u1eeb kh\u1ed1i ngu\u1ed3n 3V, 5V ph\u1ee5c v\u1ee5 vi\u1ec7c n\u00e2ng \u00e1p n\u00ean d\u00f2ng cho ra l\u00e0 kh\u00e1 l\u1edbn.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00f2n v\u1edbi c\u00e1c d\u00f2ng Dell n\u00e0y th\u00ec ph\u1ea7n xung \u0111\u01b0\u1ee3c m\u01b0\u1ee3n xung 32,768khz t\u1eeb chip I\/O qua t\u1ea7ng \u0111\u1ec7m r\u1ed3i c\u1ea5p v\u00e0o kh\u1ed1i n\u00e2ng \u00e1p n\u00ean n\u00ean d\u00f2ng cho ra s\u1ebd nh\u1ecf h\u01a1n r\u1ea5t nhi\u1ec1u vi\u1ec7c gi\u1ea3m \u00e1p, m\u1ea5t \u00e1p 15V th\u01b0\u1eddng g\u1eb7p h\u01a1n.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kh\u1ed1i n\u00e2ng \u00e1p th\u00f4ng d\u1ee5ng:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Kh\u1ed1i n\u00e2ng \u00e1p Dell Vostro 1400<\/span><\/h3>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Xung 32,768Khz bi\u00ean \u0111\u1ed9 th\u1ea5p \u0111\u01b0\u1ee3c \u0111\u01b0a t\u1edbi G c\u1ee7a PQ50 khu\u1ebfch \u0111\u1ea1i bi\u00ean \u0111\u1ed9 l\u1ea5y ra c\u1ef1c D qua t\u1ea7ng \u0111\u1ec7m (PU11) v\u00e0o 1,2 ra ch\u00e2n 4 sau \u0111\u00f3 qua PR186 c\u1ea5p v\u00e0o m\u1ea1ch n\u00e2ng \u00e1p.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Sau khi qua t\u1ea7ng \u0111\u1ec7m , xung 32,768Khz qua PC180,PC181 v\u00e0o kh\u1ed1i n\u00e2ng \u00e1p, 15V xu\u1ea5t hi\u1ec7n t\u1ea1i d\u1ea7u t\u1ee5 PC185.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u00c1p 15V \u00e1p v\u00e0o c\u00e1c c\u1ef1c G c\u1ee7a FET ngh\u1ecbch gi\u00fap t\u1ea1o c\u00e1c ngu\u1ed3n th\u1ee9 c\u1ea5p cho m\u00e1y.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, \u0111\u1ec3 n\u00e2ng d\u00f2ng cho kh\u1ed1i n\u00e2ng \u00e1p n\u00e0y ch\u00fang ta c\u00f3 th\u1ec3 d\u00f9ng t\u1ea7n s\u1ed1 300Khz nh\u01b0 c\u00e1c d\u00f2ng m\u00e1y kh\u00e1c th\u01b0\u1eddng d\u00f9ng b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf PR186 v\u00e0 th\u00eam v\u00e0o PR179 v\u1edbi v\u1ecb tr\u00ed c\u00f3 s\u1eb5n tr\u00ean mainboard:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\"> B\u1eb1ng c\u00e1ch n\u00e0y ch\u00fang ta \u0111\u00e3 l\u1ea5y \u0111\u01b0\u1ee3c xung kho\u1ea3ng 300khz t\u1eeb ch\u00e2n s\u1ed1 25 ic ngu\u1ed3n 3v\/5v nh\u01b0 bao m\u00e1y kh\u00e1c \u0111ang d\u00f9ng:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Nh\u01b0 v\u1eady ch\u00fang ta \u0111\u00e3 c\u00f3 \u0111\u01b0\u1ee3c \u00e1p 15v c\u00f3 d\u00f2ng cao h\u01a1n n\u00ean \u00edt l\u1ed7i h\u01a1n tr\u01b0\u1edbc khi m\u1ea1ch c\u00f3 s\u1ef1 r\u00f2 r\u1ec9 nh\u1eb9.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 c\u00e1ch ch\u00fang t\u00f4i \u0111\u00e3 l\u00e0m cho c\u00e1c d\u00f2ng m\u00e1y d\u1ea1ng n\u00e0y c\u00e1ch \u0111\u00e2y v\u00e0i n\u0103m , d\u0129 nhi\u00ean s\u1ebd c\u00f2n nhi\u1ec1u nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn m\u00e1y k\u00edch\/ t\u1eaft.<\/span><\/p>\n<p>&nbsp;<\/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><br \/>\n<strong>MST: 0108733789<\/strong><br \/>\n<strong>T\u1ed5ng \u0111\u00e0i h\u1ed7 tr\u1ee3: 024 3566 8686 \u2013 Hotline: 0981 223 001<\/strong><br \/>\n<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><\/p>\n<p><strong>Tr\u1ee5 s\u1edf H\u00e0 N\u1ed9i:<\/strong>\u00a0S\u1ed1 8 ng\u00f5 117 Th\u00e1i H\u00e0, \u0110\u1ed1ng \u0110a, H\u00e0 N\u1ed9i<\/p>\n<p><strong>H\u1ed3 Ch\u00ed Minh:<\/strong>\u00a0S\u1ed1 283\/45 C\u00e1ch M\u1ea1ng Th\u00e1ng T\u00e1m, Ph\u01b0\u1eddng 12, Qu\u1eadn 10,\u00a0TP.HCM<br \/>\n<strong>H\u1ea3i Ph\u00f2ng:<\/strong>\u00a0S\u1ed1 94 Qu\u00e1n Nam, L\u00ea Ch\u00e2n, H\u1ea3i Ph\u00f2ng<\/p>\n<p><strong>Th\u00e1i Nguy\u00ean:<\/strong>\u00a0S\u1ed1 297 L\u01b0\u01a1ng Ng\u1ecdc Quy\u1ebfn, TP. Th\u00e1i Nguy\u00ean<br \/>\n<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<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c nguy\u00ean nh\u00e2n g\u00e2y l\u1ed7i Laptop Dell Vostro 1400. S\u01a1 \u0111\u1ed3 v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Laptop Dell Vostro 1400 k\u00edch ngu\u1ed3n t\u1eaft.<\/p>\n","protected":false},"author":95,"featured_media":12605,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,94],"tags":[],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/6412"}],"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=6412"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/6412\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12605"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}