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。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC.

若要登入 Hotmail，您將需要您的 Microsoft 帳戶使用者名稱和密碼。. 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。. 或者，選取 [不要再顯示這個] 方塊，然後選取 [否] ，這樣每次都會提示您輸入密碼。. 如果您 ...

Microsoft 始终保持留意异常的登录活动，以防其他人试图登录到你的帐户。 如果你正在新的地方旅行或使用新设备，我们可能会要求你确认是否真是你本人。

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning. Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships. To learn more about how Copilot on Windows uses ...

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

A scanner you've connected using a wired, wireless, or network connection. An app for scanning files, such as Windows Scan, available for free from Microsoft Store. The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.

Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.