{"id":41,"date":"2016-06-26T16:04:27","date_gmt":"2016-06-26T16:04:27","guid":{"rendered":"http:\/\/tybou.eu\/wordpress\/2016\/06\/26\/laptop-ressucite-cpu-graphique-en-erreur\/"},"modified":"2018-04-10T22:12:26","modified_gmt":"2018-04-10T21:12:26","slug":"laptop-ressucite-cpu-graphique-en-erreur","status":"publish","type":"post","link":"https:\/\/tybou.eu\/wordpress\/blog\/2016\/06\/26\/laptop-ressucite-cpu-graphique-en-erreur\/","title":{"rendered":"Laptop r\u00e9ssucit\u00e9 (CPU graphique en erreur)"},"content":{"rendered":"<p>R\u00e9paration d&rsquo;un ordinateur portable mod\u00e8le HP Pavillon D6 2040eb pr\u00e9sentant un \u00e9cran noir apr\u00e8s d\u00e9marrage&#8230;<\/p>\n<p>Les sympt\u00f4mes de d\u00e9faut sont :<br \/>\n&#8211; \u00e9cran noir apr\u00e8s appuie sur bouton de d\u00e9marrage, malgr\u00e9 l&rsquo;ensemble des LED allum\u00e9es,<br \/>\n&#8211; m\u00eame chose apr\u00e8s reset \u00ab\u00a0profond\u00a0\u00bb via le retrait de la batterie et alim, puis appuie de 1mn sur bouton de mise en route,<br \/>\n&#8211; m\u00eame chose apr\u00e8s remplacement de la pile de BIOS,<br \/>\n&#8211; toujours pas de d\u00e9marrage, ni de mise en rotation du disque (on entend des tentatives de d\u00e9marrage, sans que le disque reste en rotation),<br \/>\n&#8211; tentative de solliciter le BIOS par retrait d&rsquo;une barrette m\u00e9moire,<br \/>\n&#8211; toujours rien apr\u00e8s \u00e9change du disque dur (qui fonctionne sur un autre PC),<br \/>\n&#8211; toujours m\u00eame comportement apr\u00e8s d\u00e9montage complet du PC, puis r\u00e9-assemblage.<\/p>\n<p>La solution est venue de la gestion de la carte graphique qui \u00e9tait d\u00e9fectueuse (GPU dessoud\u00e9). Comme elle fait partie int\u00e9grante de la carte m\u00e8re, il faudrait, pour une r\u00e9paration compl\u00e8te, changer la carte m\u00e8re. Une solution qui fonctionne (on ne sait pour combien de temps) est d\u00e9crite ci-dessous (reprise du web). Il s&rsquo;agit d&rsquo;un d\u00e9montage complet du PC, retrait de sa carte m\u00e8re, puis de la partie de refroidissement pour atteindre le processeur graphique afin de le chauffer \u00e0 250\u00b0 durant 2mn pour tenter de r\u00e9tablir ses connexions (soudures).<\/p>\n<p>En image :<\/p>\n<p>Apr\u00e8s premier d\u00e9montage complet, voici la carte m\u00e8re (recto) :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323532362d312d322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Et son verso :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323533332d312e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Le dessous de la coque (qui fait office de ch\u00e2ssis) :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323535322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Vue du dessous :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323630312d312e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Le clavier extrait :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323632382e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Et les diverses pi\u00e8ces :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323634332e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323635312e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>L&rsquo;\u00e9cran :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3139323635362e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Le tout empil\u00e9 :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231313731332e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Remontage de la carte m\u00e8re :<\/p>\n<p><img decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231313934342e6a7067&amp;type=4&amp;v=0\" alt=\"\" \/><\/p>\n<p>De la partie basse \u00ab\u00a0repose main\u00a0\u00bb :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231323233322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Des hauts parleurs :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231323932342e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Revissage par le dessous :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231323935382e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Mise en place de l&rsquo;\u00e9cran :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231333930342e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Puis du cache avec bouton de marche :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231343435362e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231343530322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Et du clavier :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3231353332332e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Puis disque dur, m\u00e9moire et nouvelle pile BIOS (CR2032) :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232303033322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Vissage :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232303033362e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Mise en place du scotch qui prot\u00e8ge la pile :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232303134312e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Et finalisation par vissage des caches :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232303235382e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Et c&rsquo;\u00e9tait fini, mais \u00e7a ne marchait pas mieux !!! Il fallait re-bruler le GPU. Donc red\u00e9montage complet, et retrait des ventilateur et syst\u00e8me de refroidissement de la carte m\u00e8re :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232333030372e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Voici les 3 composants principaux :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232333031322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Et la partie refroidissement :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232333032382e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Apr\u00e8s, retrait du CPU pour le prot\u00e9ger de la chaleur :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232333230372e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Le GPU \u00e0 chauffer est au \u00ab\u00a0milieu\u00a0\u00bb :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232333231322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>D\u00e9coupe d&rsquo;une feuille d&rsquo;aluminium pour prot\u00e9ger le reste de la carte :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232343634322e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Mise en place de la protection :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232343833342e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Chauffage \u00e0 environ 250\u00b0 durant 2mn :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232343934302e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232353030302e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232353135342e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Retrait de la protection pour refroidissement :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232353634372e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Remise de graisse teflon pour contacte thermique :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232353735352e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Carte fin pr\u00eate \u00e0 \u00eatre remont\u00e9e :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3232353933332e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Remontage complet et premier tests de mise en route :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3233333631312e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Miracle, \u00e7a marche !!!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3233333631362e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Remise en place de l&rsquo;ensemble (m\u00e9moire, disque dur) :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3233333835302e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Page de login :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3233333934312e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><img loading=\"lazy\" decoding=\"async\" src=\"\/photo\/convert.php?dir=426c6f6720496d61676573&amp;name=323031362d30362d32372d32303136303632365f3233333934382e6a7067&amp;type=4&amp;v=0\" alt=\"\" width=\"427\" height=\"320\" \/><\/p>\n<p>Et le tour est jou\u00e9!!!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9paration d&rsquo;un ordinateur portable mod\u00e8le HP Pavillon D6 2040eb pr\u00e9sentant un \u00e9cran noir apr\u00e8s d\u00e9marrage&#8230; Les sympt\u00f4mes de d\u00e9faut sont : &#8211;<\/p>\n","protected":false},"author":1,"featured_media":84,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74,78,75,76,77],"tags":[49,50,60,61,64],"class_list":["post-41","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronique","category-hp","category-informatique","category-laptop","category-reparation","tag-ps_4","tag-ps_237","tag-ps_135","tag-ps_178","tag-ps_45"],"_links":{"self":[{"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/posts\/41","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/comments?post=41"}],"version-history":[{"count":0,"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/posts\/41\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/media\/84"}],"wp:attachment":[{"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/media?parent=41"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/categories?post=41"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tybou.eu\/wordpress\/wp-json\/wp\/v2\/tags?post=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}