Camera doesn't work in Windows - Microsoft Support
When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.
Reinstall Windows - Microsoft Support
Notes: Reinstalling Windows 11 using installation media while choosing to ‘Keep nothing’ (a clean install) will automatically enable reserved storage if the partition you reinstall Windows to is 20GB or larger. Reserved storage sets aside disk space to be used by updates, apps, temporary files, and system caches, thus improving the day-to-day function of your PC by ensuring that critical ...
Fix microphone problems - Microsoft Support
If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. If your camera contains a microphone, you might also need to give your apps permission to use your camera.
查找 BitLocker 恢复密钥 - Microsoft 支持
如果找不到恢复密钥,该怎么办? 如果设备由组织管理,请与 IT 部门联系以检索恢复密钥。 如果找不到 BitLocker 恢复密钥,并且无法撤消导致需要它的任何更改,则必须使用 Windows 恢复选项之一重置设备。. 重置你的设备将删除所有文件。
Boot Surface from a USB device - Microsoft Support
For all Surface models Before you start, make sure you don’t have any other USB devices connected to your Surface, including USB mouse devices, keyboards, or other storage drives.
Find your BitLocker recovery key - Microsoft Support
A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Windows 10 Update Assistant - Microsoft Support
This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.
How to check if your device meets Windows 11 system requirements after ...
This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.