Troubleshoot external monitor connections in Windows 10. Before considering troubleshooting options, make sure your device is up to date. Select Start > Settings > Update & Security > Windows Update , then select Check for updates. If you need help setting up your external monitors, see How to use multiple monitors in Windows 10.

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Windows 11 is designed to bring you closer to what you love and is releasing at a time when the PC is playing an even more central role in the way we connect, create and play. When we made the decision on where to set the minimum system requirements for Window 11, we focused on three principles to guide our thinking to help ensure a great user experience:

如果摄像头无法正常在 Windows 11 中工作，可能是在最近的更新后丢失了驱动程序。 也可能是防病毒程序在阻止摄像头，你的隐私设置不允许某些应用访问摄像头，或者你要使用的应用有问题。

Die meisten Drucker erfordern die Installation des neuesten Druckertreibers, damit der Drucker gut funktioniert. Ihr Treiber kann auch beschädigt werden, wenn Stromausfälle, Computerviren oder andere Probleme aufgetreten sind. Wenn Ihr Drucker nicht reagiert, können diese Probleme häufig durch Herunterladen und Installieren des neuesten Druckertreibers behoben werden.

Open Device Manager. Right-click the name of the device, then select Uninstall device. Select Uninstall and then restart your PC. Windows will attempt to reinstall the driver. If Windows doesn't find a new driver and reinstalling the driver doesn’t help, contact your PC’s manufacturer for help. Things to try to fix touchpad problems in ...

Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.

Make sure the system is managing the page file size. Check for low disk space and free up space. Adjust the appearance and performance of Windows. Pause OneDrive syncing. Disable unnecessary startup programs. Check for and remove viruses and malware. Restore your PC from a system restore point. Tips to improve performance in Windows. If your ...

Word中的深色模式为菜单控件和文档背景提供深色配色方案。 深色模式有助于减轻眼睛疲劳，并为Word提供更现代的感觉。 深色页面背景不会传达文档的打印方式，也不表示协作者在打开文档时将看到的默认视图。

有时某个文件可能被损坏，使得 Word、Excel 或 PowerPoint 无法正常打开它。 但是，所有内容都不会丢失。 “ 打开并修复 ”命令可能能够恢复你的文件。 在收到文件损坏错误后打开并修复文档，并查看将来如何防止文件损坏。