为什么在使用手机屏幕功能时关闭我的手机屏幕？ 我们提供了一个可使 Android 手机在连接手机屏幕功能时变为黑屏的选项。 在这种状态下，屏幕看上去是关闭的 - 这是为了保护个人手机内容的隐私，并将电池消耗降至最低。 如何与黑屏进行交互？

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

To open the Start menu—which contains all your apps, settings, and files—do either of the following: On the left end of the taskbar, select the Start icon.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

How to use Stream's Transcripts and Captions features with video in OneDrive and SharePoint.

Узнайте, как добавить приложение для автоматического запуска при начальной загрузке.

Learn how to use the Settings app to view and change display settings in Windows.

Se describe cómo utilizar la herramienta Comprobador de archivos de sistema para solucionar problemas relacionados con archivos de sistema que faltan o están dañados en Windows 8.1, Windows 8, Windows 7 o Windows Vista.

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.