{"id":986,"date":"2025-09-22T16:09:50","date_gmt":"2025-09-22T14:09:50","guid":{"rendered":"https:\/\/computershop.eu\/blog\/?p=966"},"modified":"2025-09-22T16:24:40","modified_gmt":"2025-09-22T14:24:40","slug":"que-se-passe-t-il-si-vous-installez-windows-11-sur-un-systeme-non-eligible","status":"publish","type":"post","link":"https:\/\/computershop.eu\/blog\/fr\/que-se-passe-t-il-si-vous-installez-windows-11-sur-un-systeme-non-eligible","title":{"rendered":"Que se passe-t-il si vous installez Windows 11 sur un syst\u00e8me non \u00e9ligible"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>\n<p>Windows 11 a \u00e9t\u00e9 lanc\u00e9 avec la promesse d\u2019une exp\u00e9rience moderne, s\u00e9curis\u00e9e et plus rapide, mais tous les appareils ne sont pas \u00e9ligibles \u00e0 la mise \u00e0 jour. Microsoft a d\u00e9fini une configuration mat\u00e9rielle minimale requise pour assurer la stabilit\u00e9 et la s\u00e9curit\u00e9. Cependant, de nombreux utilisateurs essaient d\u2019installer Windows 11 sur des PC qui ne r\u00e9pondent pas \u00e0 ces sp\u00e9cifications. Avant de franchir cette \u00e9tape, il est important de conna\u00eetre les risques et les cons\u00e9quences.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Que signifie l\u2019installation de Windows 11 sur un PC non \u00e9ligible ?<\/h2>\n\n\n\n<p>Si vous installez Windows 11 sur un appareil qui ne r\u00e9pond pas \u00e0 la configuration minimale requise, sachez que <strong>Microsoft n\u2019offre pas de support officiel pour ces syst\u00e8mes<\/strong>. Cela signifie que :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vous ne recevrez pas de mises \u00e0 jour r\u00e9guli\u00e8res, y compris des mises \u00e0 jour de s\u00e9curit\u00e9.<\/li>\n\n\n\n<li>Des probl\u00e8mes de compatibilit\u00e9 ou un fonctionnement instable peuvent survenir.<\/li>\n\n\n\n<li>Les pannes caus\u00e9es par une incompatibilit\u00e9 ne sont pas couvertes par la garantie du fabricant.<\/li>\n<\/ul>\n\n\n\n<p>En bref, vous assumez l\u2019enti\u00e8re responsabilit\u00e9 de tous les probl\u00e8mes qui peuvent survenir apr\u00e8s l\u2019installation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Message d\u2019avertissement Microsoft<\/h2>\n\n\n\n<p>Lorsque vous essayez d\u2019installer Windows 11 sur du mat\u00e9riel non \u00e9ligible, le syst\u00e8me affiche un avertissement clair :<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Ce PC ne r\u00e9pond pas \u00e0 la configuration minimale requise pour ex\u00e9cuter Windows 11. L\u2019installation n\u2019est pas recommand\u00e9e et peut entra\u00eener des probl\u00e8mes de compatibilit\u00e9.<\/p>\n<\/blockquote>\n\n\n\n<p>En acceptant l\u2019installation, vous confirmez que vous comprenez que votre appareil ne sera plus officiellement pris en charge et ne recevra pas de mises \u00e0 jour critiques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Filigranes et notifications dans Windows 11<\/h2>\n\n\n\n<p>Un autre aspect important est qu\u2019apr\u00e8s <a href=\"https:\/\/computershop.eu\/blog\/fr\/ordinateurs-compatibles-windows-11-exigences-et-options-de-mise-a-niveau\" target=\"_blank\" rel=\"noreferrer noopener\">l\u2019installation de Windows 11<\/a> sur un PC incompatible, un filigrane (\u00ab&nbsp;<strong>Configuration requise pas moi<\/strong>&nbsp;\u00bb) appara\u00eetra sur le bureau. De plus, dans l\u2019application <strong>Param\u00e8tres<\/strong>, l\u2019utilisateur peut recevoir des notifications lui rappelant que le syst\u00e8me n\u2019est pas conforme aux exigences officielles.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Recommandation Microsoft : revenir \u00e0 Windows 10<\/h2>\n\n\n\n<p>Si vous \u00eates pass\u00e9 \u00e0 Windows 11 sur un appareil non \u00e9ligible et que vous rencontrez des probl\u00e8mes, Microsoft vous recommande de revenir \u00e0 Windows 10. Le processus est simple, mais il a une limite de temps :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019option \u00ab <strong>Revenir en arri\u00e8re<\/strong> \u00bb n\u2019est disponible que 10 jours apr\u00e8s la mise \u00e0 niveau.<\/li>\n\n\n\n<li>Pass\u00e9 ce d\u00e9lai, les fichiers n\u00e9cessaires sont supprim\u00e9s pour lib\u00e9rer de l\u2019espace disque.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Comment revenir \u00e0 Windows 10 :<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Allez dans <strong>D\u00e9marrer &gt; Param\u00e8tres &gt; Syst\u00e8me &gt; R\u00e9cup\u00e9ration<\/strong>.<\/li>\n\n\n\n<li>Dans la section <strong>Options de r\u00e9cup\u00e9ration<\/strong>, s\u00e9lectionnez le bouton <strong>Retour<\/strong>.<\/li>\n\n\n\n<li>Suivez les \u00e9tapes \u00e0 l\u2019\u00e9cran et confirmez votre retour.<\/li>\n<\/ol>\n\n\n\n<p>Si plus de 10 jours se sont \u00e9coul\u00e9s, la seule solution est de r\u00e9installer manuellement Windows 10.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Risques majeurs<\/h2>\n\n\n\n<p>Bien qu\u2019il soit possible d\u2019installer la derni\u00e8re version de Windows sur un PC qui ne r\u00e9pond pas aux exigences minimales, cela s\u2019accompagne de risques majeurs: manque de mises \u00e0 jour, instabilit\u00e9 et perte de la garantie logicielle.<\/p>\n\n\n\n<p>Pour une exp\u00e9rience s\u00fbre et enti\u00e8rement prise en charge, il est recommand\u00e9 de rester sur Windows 10 jusqu\u2019\u00e0 l\u2019expiration du support officiel (octobre 2025) ou d\u2019investir dans un appareil compatible.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/computershop.eu\/fr\/ordinateur-portable-reconditionne-dell-latitude-5420-intel-core-i5-1135g7-2-40-4-20ghz-8go-ddr4-256go-ssd-14-pouces-full-hd-webcam-windows-11-pro\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/computershop.eu\/blog\/wp-content\/uploads\/2025\/09\/laptop-refurbished-dell-latitude-5420-intel-core-i5-1145g7-2-60-4-40ghz-16gb-ddr4-512gb-ssd-14-inch-full-hd-webcam-windows-11-pro-74941-750x750-1.webp\" alt=\"Laptop Refurbished DELL Latitude 5420 + Windows 11 Pro\" class=\"wp-image-975\" style=\"width:458px;height:auto\" srcset=\"https:\/\/computershop.eu\/blog\/wp-content\/uploads\/2025\/09\/laptop-refurbished-dell-latitude-5420-intel-core-i5-1145g7-2-60-4-40ghz-16gb-ddr4-512gb-ssd-14-inch-full-hd-webcam-windows-11-pro-74941-750x750-1.webp 750w, https:\/\/computershop.eu\/blog\/wp-content\/uploads\/2025\/09\/laptop-refurbished-dell-latitude-5420-intel-core-i5-1145g7-2-60-4-40ghz-16gb-ddr4-512gb-ssd-14-inch-full-hd-webcam-windows-11-pro-74941-750x750-1-300x300.webp 300w, https:\/\/computershop.eu\/blog\/wp-content\/uploads\/2025\/09\/laptop-refurbished-dell-latitude-5420-intel-core-i5-1145g7-2-60-4-40ghz-16gb-ddr4-512gb-ssd-14-inch-full-hd-webcam-windows-11-pro-74941-750x750-1-150x150.webp 150w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p>De cette fa\u00e7on, vous serez s\u00fbr d\u2019obtenir la s\u00e9curit\u00e9, la stabilit\u00e9 et toutes les nouvelles fonctionnalit\u00e9s que Windows 11 a \u00e0 offrir.<\/p>\n\n\n\n<p>Source : <a href=\"https:\/\/support.microsoft.com\/en-us\/windows\/windows-11-on-devices-that-don-t-meet-minimum-system-requirements-0b2dc4a2-5933-4ad4-9c09-ef0a331518f1\" target=\"_blank\" rel=\"noreferrer noopener\">microsoft.com<\/a><\/p>\n\t<div class=\"quickshare-container\">\r\n\t<ul class=\"quickshare-genericons monochrome quickshare-effect-expand\">\r\n\t\t<li class=\"quickshare-share\">Share:<\/li> \r\n\t\t<li><a 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Google+\"><span class=\"quickshare-googleplus\">Google+<\/span><\/a><\/li>\t\t\t\t\t\t\t\t<li><a href=\"mailto:?subject=Refurbished+Computers+-+ComputerShop.EU:+Que+se+passe-t-il+si+vous+installez+Windows+11+sur+un+syst%C3%A8me+non+%C3%A9ligible&amp;body=https%3A%2F%2Fcomputershop.eu%2Fblog%2Ffr%2Fque-se-passe-t-il-si-vous-installez-windows-11-sur-un-systeme-non-eligible\" target=\"_blank\" title=\"Share via Email\"><span class=\"quickshare-email\">Email<\/span><\/a><\/li>\t<\/ul>\r\n\t<\/div>\r\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Windows 11 a \u00e9t\u00e9 lanc\u00e9 avec la promesse d\u2019une exp\u00e9rience moderne, s\u00e9curis\u00e9e et plus rapide, mais tous les appareils ne sont pas \u00e9ligibles \u00e0 la mise \u00e0 jour. Microsoft a d\u00e9fini une configuration mat\u00e9rielle minimale requise pour assurer la stabilit\u00e9 &hellip; <a href=\"https:\/\/computershop.eu\/blog\/fr\/que-se-passe-t-il-si-vous-installez-windows-11-sur-un-systeme-non-eligible\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[178],"tags":[642,726,2588,938,351,723,645,1236,648,2500],"class_list":["post-986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriels","tag-computershop-fr","tag-exigences-windows-11","tag-logiciel","tag-ordinateur","tag-ordinateur-portable","tag-ordinateur-windows-11","tag-pc-fr","tag-systeme-dexploitation","tag-technologie-fr","tag-windows-10-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Que se passe-t-il si vous installez Windows 11 sur un syst\u00e8me non \u00e9ligible - Refurbished Computers - ComputerShop.EU<\/title>\n<meta name=\"description\" content=\"De nombreux utilisateurs essaient d\u2019installer Windows 11 sur des syst\u00e8mes qui ne r\u00e9pondent pas aux sp\u00e9cifications minimales recommand\u00e9es. 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