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If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections.

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在打开的应用之间切换 ：Alt + Tab. 打开"快速链接"菜单 ：Windows徽标键 + X. 锁定电脑： Windows 徽标键 + L. 根据你的硬件，可以使用徽标Windows + PrtScn 进行屏幕截图， 或使用Fn + Windows徽标键 + 空格键 。. 查看所有Windows 11快捷方式. 订阅 RSS 源. 了解常见键盘Windows ...

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获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...

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On Windows, Mac, and Android Microsoft Defender can check files or apps you download and install, as well as run scans of files already on your system to spot any malware that may threaten your device. To learn more about anti-malware see Getting started with anti-malware in Microsoft Defender. Tip: Stay up-to-date and install the latest ...