选择任务栏右侧的操作中心，然后移动"亮度"滑块 以调整亮度。 (如果滑块不存在，请参阅下面的备注部分。) 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。 若要了解你的电脑是否支持此功能，请选择"设置>"> 显示"。 在“亮度和颜色”下，查找“在照明条件更改时自动更改亮度 ...

通过打开浏览器并访问任何网站，检查 Internet 连接以确保其正常工作。 选择 Teams 右上角的个人资料图片，然后从菜单选项中选择 ... 注意: 删除缓存不会从设备中删除 Microsoft Teams，但会删除 Web 客户端缓存、图标、缩略图、本地消息历史记录、Teams ...

Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.

When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

Download Microsoft Edge from the Apple App Store and sign in with your Microsoft account.

To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu

在“开始”页面上，选择“立即下载”，在移动设备上下载并安装Microsoft Authenticator应用，然后选择“下一步”。有关如何下载和安装应用的详细信息，请参阅下载并安装Microsoft Authenticator应用。 如果要使用Microsoft Authenticator应用以外的身份验证器应用，请选择“我想使用其他身份验证器应用”。

了解如何将内容从一台设备屏幕镜像或投影到另一台设备。 注意: 无线显示应用在运行 Windows 11 版本 22H2 及更高版本的设备上可用。如果运行的是早期版本的 Windows，请在任务栏的搜索框中输入 “连接”，然后在结果列表中选择“连接”，从而启动 “连接” 应用。