Get help when Windows can't find the camera

Erfahren Sie, wie Sie Windows auf Ihrem PC neu installieren und wie die Aktivierung nach der Installation funktioniert.

Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

使用 Windows 设置应用更改桌面背景和颜色。

This article describes a problem with CD or DVD drives not work, or is missing, or not recognized after installing or uninstalling programs.

If your Outlook.com account has been blocked, follow the instructions in this article to unblock it.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.