Troubleshoot problems with Bluetooth accessories. If you can turn on Bluetooth but having problems pairing or using a Bluetooth accessory, try the following steps to try to fix common problems with Bluetooth accessories.

如果你没有台式电脑并且滑块未显示或不起作用，请尝试更新显示驱动程序。 在任务栏上选择"搜索"，键入"设备管理器"，然后从结果列表中选择"设备管理器"。在"设备管理器"中，选择"显示适配器"，然后选择显示适配器。长按 (或右键) 显示适配器名称，然后选择"更新驱动程序"并按照说明操作。

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

Note: If you don’t see the Change link, it may be because some information, such as your name, photo, or title, is collected from systems that your IT or human resources department control.If you want to update those details, contact your administrator. If you need help finding your administrator, see How do I find out who my admin is?

5. You can add more tabs. To put apps and files in tabs at the top of a channel, select Add a tab next to a tab name. You'll see a list of things to add (favorite apps and files).

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

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注意: 带 USB Type-C 连接器的电脑具有更高的功率限制。 如果连接器支持 USB 电力传输，则其能够以更大的功率实现更快速充电。. 要更快地充电，你的电脑、充电器和线缆均必须符合行业标准。

发布时间：2021 年 8 月. 本文适用于由于电脑当前无法安全启动而无法升级到 Windows 11的用户。 如果你不熟悉此级别的技术详细信息，我们建议你查阅电脑制造商的支持信息，获取特定于你的设备的更多说明。