{"id":26940,"date":"2026-09-17T12:10:16","date_gmt":"2026-09-17T12:10:16","guid":{"rendered":"https:\/\/netguide.io\/smart-home\/home-assistant-green-neu-installieren-os-per-microsd-reparieren\/"},"modified":"2026-09-17T12:10:18","modified_gmt":"2026-09-17T12:10:18","slug":"home-assistant-green-neu-installieren-os-per-microsd-reparieren","status":"publish","type":"post","link":"https:\/\/netguide.io\/smart-home\/de\/home-assistant-green-neu-installieren-os-per-microsd-reparieren\/","title":{"rendered":"Home Assistant Green neu installieren: OS per microSD reparieren"},"content":{"rendered":"<div id=\"netgu-2271892661\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p>Wenn dein <a href=\"https:\/\/netguide.io\/smart-home\/category\/home-assistant\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Home Assistant\">Home Assistant<\/a> Green nach einem fehlerhaften Update, defekten Add-ons oder Dateifehlern nicht mehr startet, hilft meist nur ein sauberer Reset. Da das Betriebssystem fest auf dem internen 32-GB-eMMC-Speicher liegt, nutzt du f\u00fcr die Wiederherstellung den integrierten MicroSD-Kartenslot. In dieser Anleitung zeige ich dir, wie du das Betriebssystem per microSD-Karte neu auf den internen Speicher schreibst.<\/p><h2>Das brauchst du<\/h2><ul><li><strong>Hardware:<\/strong> <a href=\"https:\/\/netguide.io\/smart-home\/category\/home-assistant\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Home Assistant\">Home Assistant<\/a> Green, Netzteil (12 V DC), Ethernet-Kabel am Router mit Internetzugang.<\/li><li><strong>Speichermedium:<\/strong> Eine funktionierende microSD-Karte (der Slot dient ausschlie\u00dflich f\u00fcr Recovery-Zwecke).<\/li><li><strong>Software:<\/strong> Das offizielle Installer-Image aus dem GitHub-Repository <code>NabuCasa\/buildroot-installer<\/code> (z. B. <code>green-installer-*.img<\/code>, ca. 73 MB) sowie ein Flash-Programm auf dem PC. Wer wissen m\u00f6chte, wie man Images auf Speicherkarten schreibt, findet Orientierung in unserer Hilfe zu <a href=\"https:\/\/netguide.io\/linux\/de\/raspberry-pi-os-installieren\/\" rel=\"nofollow noopener\">Raspberry Pi OS installieren: Anleitung mit dem Imager<\/a>.<\/li><li><strong>Optional:<\/strong> Monitor mit HDMI-Kabel zur Diagnose von Fehlermeldungen.<\/li><\/ul><blockquote>Achtung: Bei einer Neuinstallation wird der interne Speicher \u00fcberschrieben und bestehende Konfigurationen gehen verloren. Lege daher, wenn m\u00f6glich, vorher Backups an.<\/blockquote><h2>1. Das korrekte Installer-Image besorgen<\/h2><p>Lade nicht das regul\u00e4re HAOS-Image herunter, sondern das schlanke Green-Installer-Image (ca. 73 MB) von den GitHub-Releases unter <code>NabuCasa\/buildroot-installer<\/code>. Ein vollst\u00e4ndiges System-Image auf der microSD w\u00fcrde nicht auf den internen Speicher \u00fcbertragen, sondern versucht f\u00e4lschlicherweise direkt von der Karte zu booten.<\/p><h2>2. microSD-Karte vorbereiten und flashen<\/h2><p>Schreibe das heruntergeladene Image auf deine microSD-Karte. Verwende unbedingt eine einwandfreie, m\u00f6glichst neue Speicherkarte, da defekte Sektoren den sp\u00e4teren Schreibvorgang auf den internen eMMC-Speicher abbrechen lassen.<\/p><figure><p><strong>Produkt-Tipp: microSD-Karte f\u00fcr Recovery<\/strong><\/p><p>Eine zuverl\u00e4ssige Class-10- oder UHS-I-microSD-Karte sorgt f\u00fcr fehlerfreie Schreib- und Lesevorg\u00e4nge beim Flashen des Installers.<\/p><\/figure><h2>3. Wiederherstellung am Home Assistant Green starten<\/h2><ol><li>Trenne den <a href=\"https:\/\/netguide.io\/smart-home\/category\/home-assistant\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Home Assistant\">Home Assistant<\/a> Green vom Stromnetz.<\/li><li>Stecke das Ethernet-Kabel ein. Der Installer ben\u00f6tigt zwingend eine aktive Internetverbindung, um die aktuelle Betriebssystemversion aus dem Stable-Channel nachzuladen.<\/li><li>Schiebe die vorbereitete microSD-Karte in den Kartenslot des Green.<\/li><li>Schlie\u00dfe das Netzteil wieder an. Das System bootet nun von der Speicherkarte und startet das Skript <code>haos-flash<\/code>, das den internen Speicher <code>mmcblk0<\/code> \u00fcberschreibt.<\/li><\/ol><h2>4. microSD-Karte entfernen<\/h2><p>Sobald der Kopiervorgang abgeschlossen ist, schalten sich die Status-LEDs ab. Trenne das Ger\u00e4t kurz vom Strom, entnimm die microSD-Karte und starte den Green erneut nur mit Ethernet und Stromkabel.<\/p><h2>Funktioniert es?<\/h2><p>Nach einiger Zeit bootet das frisch installierte <a href=\"https:\/\/netguide.io\/smart-home\/category\/home-assistant\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Home Assistant\">Home Assistant<\/a> OS. Du erreichst die Ersteinrichtung wie gewohnt im Browser \u00fcber das lokale Netzwerk.<\/p><h2>Wenn es nicht klappt<\/h2><ul><li><strong>Download bricht ab (curl error):<\/strong> Wenn der Installer nach 1 bis 2 Stunden mit Fehlern abbricht, pr\u00fcfe deine Internetverbindung. Der Installer l\u00e4dt das OS direkt via GitHub herunter.<\/li><li><strong>Schreibfehler auf mmcblk:<\/strong> Zeigt ein angeschlossener HDMI-Bildschirm Lesefehler oder bricht <code>haos-flash<\/code> ab, liegt das Problem fast immer an einer unzuverl\u00e4ssigen microSD-Karte. Tausche die microSD-Karte gegen ein anderes Modell aus.<\/li><li><strong>System bootet von der Karte statt zu flashen:<\/strong> Du hast das regul\u00e4re OS-Image statt des Buildroot-Installers geflasht. Nutze das Image <code>green-installer-*.img<\/code>.<\/li><li><strong>Reset bei noch funktionierender CLI:<\/strong> Hast du noch Konsolenzugriff per Tastatur und Monitor, kannst du das System alternativ direkt mit dem Terminal-Befehl zur\u00fccksetzen:<\/li><\/ul><div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#e1e4e8;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>os datadisk wipe<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #B392F0\">os<\/span><span style=\"color: #E1E4E8\"> <\/span><span style=\"color: #9ECBFF\">datadisk<\/span><span style=\"color: #E1E4E8\"> <\/span><span style=\"color: #9ECBFF\">wipe<\/span><\/span><\/code><\/pre><\/div><p>Best\u00e4tige die Sicherheitsabfrage lokal mit <code>YES<\/code>, um den internen Speicher ohne microSD-Karte zu bereinigen.<\/p><p>Nach erfolgreicher Neuinstallation kannst du direkt dein letztes Backup einspielen oder ein frisches Smart Home aufbauen.<\/p><p><em>Quellen: <a href=\"https:\/\/community.home-assistant.io\/t\/can-not-reinstall-new-home-assistant-green\/957134\" rel=\"nofollow noopener\" target=\"_blank\">Forum: Home Assistant Community<\/a>, <a href=\"https:\/\/www.home-assistant.io\/green\/\" rel=\"nofollow noopener\" target=\"_blank\">home-assistant.io<\/a>, <a href=\"https:\/\/community.home-assistant.io\/t\/how-do-i-reset-reinstall-the-os-for-green-within-a-region-where-it-is-hard-to-access-github-directly\/634412\" rel=\"nofollow noopener\" target=\"_blank\">community.home-assistant.io<\/a>, <a href=\"https:\/\/raspberry.tips\/raspberrypi-tutorials\/home-assistant-hardware-vergleich-green-raspberry-pi\" rel=\"nofollow noopener\" target=\"_blank\">raspberry.tips<\/a>, <a href=\"https:\/\/community.simon42.com\/t\/homeassistant-auf-werkseinstellunen-zuruecksetzen-und-neu-einrichten\/14074\" rel=\"nofollow noopener\" target=\"_blank\">community.simon42.com<\/a><\/em><\/p><div id=\"netgu-3518355370\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Bootet dein Home Assistant Green nach einem Fehler nicht mehr? Mit dem offiziellen Installer-Image auf einer microSD-Karte setzt du das System sauber zur\u00fcck.<\/p>\n","protected":false},"author":1,"featured_media":26939,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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dein Home Assistant Green nach einem Fehler nicht mehr? Mit dem offiziellen Installer-Image auf einer microSD-Karte setzt du das System sauber zur\u00fcck.","brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts\/26940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/comments?post=26940"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts\/26940\/revisions"}],"predecessor-version":[{"id":26941,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/posts\/26940\/revisions\/26941"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/media\/26939"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/media?parent=26940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/categories?post=26940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/smart-home\/wp-json\/wp\/v2\/tags?post=26940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}