{"id":6163,"date":"2018-11-27T15:50:43","date_gmt":"2018-11-27T15:50:43","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=6163"},"modified":"2024-07-03T16:26:26","modified_gmt":"2024-07-03T09:26:26","slug":"laptop-dell-vostro-2420-bi-loi-am-thanh","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=6163","title":{"rendered":"Laptop Dell Vostro 2420 b\u1ecb l\u1ed7i kh\u00f4ng c\u00f3 \u00e2m thanh"},"content":{"rendered":"<p>Trong b\u00e0i vi\u1ebft n\u00e0y <a href=\"https:\/\/hocvienit.vn\/gioi-thieu-ve-hoc-vien-it-2\/\" target=\"_blank\" rel=\"noopener\">HocvieniT.vn<\/a> s\u1ebd ph\u00e2n t\u00edch cho b\u1ea1n c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i b\u1ecb m\u1ea5t \u00e2m thanh \u1edf Laptop Dell Vostro 2420 th\u00f4ng qua s\u01a1 \u0111\u1ed3 c\u1ee7a IC Sound.<\/p>\n<figure id=\"attachment_12554\" aria-describedby=\"caption-attachment-12554\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12554 size-full\" title=\"Dell Vostro 2420 l\u1ed7i kh\u00f4ng c\u00f3 \u00e2m thanh\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/dell-vostro-2420-loi-khong-co-am-thanh.jpg\" alt=\"Dell Vostro 2420 l\u1ed7i kh\u00f4ng c\u00f3 \u00e2m thanh\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/dell-vostro-2420-loi-khong-co-am-thanh.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/dell-vostro-2420-loi-khong-co-am-thanh-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/dell-vostro-2420-loi-khong-co-am-thanh-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/11\/dell-vostro-2420-loi-khong-co-am-thanh-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-12554\" class=\"wp-caption-text\">Dell Vostro 2420 l\u1ed7i kh\u00f4ng c\u00f3 \u00e2m thanh<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Sau \u0111\u00e2y l\u00e0 s\u01a1 \u0111\u1ed3 IC sound c\u1ee7a Laptop <a href=\"https:\/\/www.dell.com\/en-us\" target=\"_blank\" rel=\"noopener\">Dell<\/a> Vostro 2420:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ea7u ti\u00ean b\u1ea1n ti\u1ebfn h\u00e0nh \u0111o ngu\u1ed3n c\u1ea5p cho IC. \u0110\u00f3 l\u00e0 c\u00e1c ngu\u1ed3n: 1,8V v\u00e0o c\u00e1c ch\u00e2n 12, 18 v\u00e0 5V v\u00e0o c\u00e1c ch\u00e2n 7, ch\u00e2n 36.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Khi \u0111\u00f3, b\u1ea1n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh ngu\u1ed3n c\u1ea5p cho IC \u0111\u1ea7y \u0111\u1ee7 m\u00e0 m\u00e1y v\u1eabn ch\u01b0a th\u1ea5y nh\u1eadn driver th\u00ec c\u00f3 th\u1ec3 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n x\u1ea3y ra l\u1ed7i do m\u1ed9t trong nh\u1eefng <strong>nguy\u00ean nh\u00e2n<\/strong> sau \u0111\u00e2y:<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">IC sound b\u1ecb l\u1ed7i v\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t l\u00e0 thay th\u1ebf IC m\u1edbi (\u0110\u00e3 thay th\u1eed IC m\u1edbi khi \u0111o ngu\u1ed3n \u0111\u1ee7).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00e1c \u0111\u01b0\u1eddng giao ti\u1ebfp t\u1eeb IC sound \u0111\u1ebfn HM b\u1ecb l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">HM b\u1ecb l\u1ed7i.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong t\u1ea5t c\u1ea3 3 nguy\u00ean nh\u00e2n tr\u00ean th\u00ec vi\u1ec7c thay IC sound m\u1edbi l\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft nhanh m\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t. Ch\u00ednh v\u00ec v\u1eady, b\u1ea1n n\u00ean ti\u1ebfn h\u00e0nh thay th\u1eed IC t\u1ed1t v\u00e0o. Khi \u0111\u00f3 n\u1ebfu m\u00e0 b\u1ea1n v\u1eabn th\u1ea5y t\u00ecnh tr\u1ea1ng c\u1ee7a m\u00e1y kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u bi\u1ebfn chuy\u1ec3n t\u1ed1t th\u00ec \u0111i\u1ec1u \u0111\u00f3 \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c b\u1ea1n n\u00ean b\u1eaft \u0111\u1ea7u ki\u1ec3m tra c\u00e1c \u0111\u01b0\u1eddng giao ti\u1ebfp t\u1eeb IC sound t\u1edbi HM.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi lo\u1ea1i IC n\u00e0y b\u1ea1n ch\u1ec9 c\u1ea7n quan t\u00e2m \u0111\u1ebfn c\u00e1c ch\u00e2n giao ti\u1ebfp v\u1edbi chipset HM. \u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1c ch\u00e2n t\u1eeb ch\u00e2n 31 \u0111\u1ebfn ch\u00e2n 35. T\u1ea1i \u0111\u00e2y, b\u1ea1n s\u1ebd ti\u1ebfn h\u00e0nh ki\u1ec3m tra tr\u1edf v\u00e0 t\u1ee5 c\u00f3 li\u00ean quan \u0111\u1ebfn \u0111\u01b0\u1eddng n\u00e0y. C\u00e1c b\u01b0\u1edbc ti\u1ebfn h\u00e0nh v\u00e0 ki\u1ec3m tra nh\u1eb1m ph\u00e1t hi\u1ec7n ra l\u1ed7i t\u1ea1i v\u1ecb tr\u00ed l\u1ec7nh HDA_CODEC_SYNC.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Sau \u0111\u00f3, \u0111o ki\u1ec3m tra v\u00e0 nh\u1eadn th\u1ea5y \u0111\u1ee9t tr\u1edf R2124 m\u00e0 tr\u1edf kh\u00e1ng c\u1ee7a tr\u1edf n\u00e0y ch\u1ec9 33Ohm. Ti\u1ebfp theo, ti\u1ebfn h\u00e0nh thay th\u1ebf tr\u1edf m\u1edbi 33Ohm. V\u00e0 k\u1ebft qu\u1ea3 m\u00e1y l\u00e0 \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea7n c\u1ee9ng IC sound, ti\u1ebfp t\u1ee5c c\u00e0i \u0111\u1eb7t driver cho m\u00e1y c\u1ee7a b\u1ea1n v\u00e0 n\u00f3 s\u1ebd xu\u1ea5t ra \u00e2m thanh nh\u01b0 b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Hi v\u1ecdng c\u00e1c th\u00f4ng tin tr\u00ean gi\u00fap \u00edch cho b\u1ea1n. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Ngo\u00e0i ra, n\u1ebfu b\u1ea1n c\u00f3 mong mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam c\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn laptop c\u0169ng nh\u01b0 c\u00e1ch kh\u1eafc ph\u1ee5c ch\u00fang th\u00ec h\u00e3y \u0111\u1ebfn ngay v\u1edbi c\u00e1c <a href=\"https:\/\/hocvienit.vn\/khoa-hoc-sua-chua-may-tinh-chuyen-nghiep\/\" target=\"_blank\" rel=\"noopener\">kh\u00f3a h\u1ecdc<\/a> v\u1ec1 IT c\u1ee7a HocvieniT.vn ngay b\u00e2y gi\u1edd nh\u00e9.<\/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>Trong b\u00e0i vi\u1ebft n\u00e0y HocvieniT.vn s\u1ebd ph\u00e2n t\u00edch cho b\u1ea1n c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i b\u1ecb m\u1ea5t \u00e2m thanh \u1edf Laptop Dell Vostro 2420 th\u00f4ng qua s\u01a1 \u0111\u1ed3 c\u1ee7a IC Sound. Ngo\u00e0i ra, n\u1ebfu b\u1ea1n c\u00f3 mong mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 Laptop th\u00ec h\u00e3y \u0111\u1ebfn ngay v\u1edbi c\u00e1c kh\u00f3a h\u1ecdc c\u1ee7a HocvieniT.vn ngay b\u00e2y gi\u1edd nh\u00e9.<\/p>\n","protected":false},"author":95,"featured_media":12554,"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\/6163"}],"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=6163"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/6163\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12554"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6163"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6163"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}