你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

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Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Hinweise: Wenn Sie Windows 11 mithilfe eines Installationsmediums neu installieren, während Sie "Nichts beibehalten" (Neuinstallation) auswählen, wird automatisch reservierter Speicher aktiviert, wenn die Partition, auf der Sie Windows neu installieren, 20 GB oder größer ist. Die Option „Reservierter Speicher” reserviert Speicherplatz für Updates, Apps, temporäre Dateien und ...

開始する前に、Windows 11 PC が Bluetooth をサポートしていることを確認します。 確認方法の詳細については、「Windows の Bluetooth の問題を解決する」を参照してください。 Bluetooth 機能を備えていないデバイスの追加についてのヘルプは、「Windows PC にデバイスを追加する」を参照してください。

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Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.

Check the Xbox services, games, and apps for any service outages.