If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version. Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

If some or all of the buttons on your Xbox controller aren't working properly (this could include joystick drift, awkward calibration, button mapping issues, or controls not responding as expected), try these solutions to correct the problem.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

You can use a voice typing language that's different than the one you've chosen for Windows. Here's how: Search for the language you'd like to install, then select. or install any optional language features you'd like to use. These features, including speech recognition, aren't required for voice typing to work.

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

Wirelessly connect your PC to a TV, projector, another PC, or other kind of external display that supports Miracast. Turn on your TV or projector. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. On your PC, make sure Wi-Fi is turned on.

如果你使用 Marketplace Pass 包创建世界，则你的世界可能无法跨设备播放，除非你有可用的 Minecraft Realms Plus 订阅。. Minecraft Marketplace Pass 可用于适用于电脑（Windows 10 或更高版本）的 Minecraft（我的世界）基岩版和 Xbox Series X|S。. 有关 Minecraft Marketplace Pass 的详细 ...