Fix sound or audio problems in Windows - Microsoft Support
Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).
Screen mirroring and projecting to your PC or wireless display
Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
屏幕镜像和投影到电脑或无线显示器 - Microsoft 支持
屏幕镜像和投影到电脑或无线显示器. Windows 11 Windows 10. 如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到电脑。. 请注意，需要支持 Miracast 的设备。. 下面介绍如何将另一个屏幕或项目 ...
关于高级网络设置 | Xbox Support
此设置可让你将允许列表的设备的 MAC 地址克隆到 Xbox，使主机可以连接到托管网络。. 备用端口选择. Xbox 主机默认使用 UDP 3074 作为多人游戏、群聊天、主机流式传输的首选端口。. Xbox 将尝试通过 UPnP 从主路由器/网关请求 UDP 3074 的端口映射。. 如果端口已映射到 ...
Activate Office - Microsoft Support
Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program. Activate a brand new Office product key.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
批准家庭成员的购买和资金 | Xbox Support
若要将资金或付款信息添加到应用上的成员帐户，请执行以下操作：. 在移动设备上打开 Xbox 应用。. 选择要在主屏幕上管理其支出的成员。. 或者选择“设置”，然后选择成员的帐户。. 在“支出”下，选择“请求购买”游戏。. 在“Microsoft 帐户余额”下，选择 ...
File sharing over a network in Windows - Microsoft Support
To share a file or folder over a network in File Explorer, do the following: Right-click (or long-press) a file, and then select. Select a user on the network to share the file with, or select. If you select multiple files at once, you can share them all in the same way.
使用 Xbox 玩云游戏 | Xbox Support
通过云游戏和安装来玩 Xbox 主机游戏. 了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。.
Repair apps and programs in Windows - Microsoft Support
Windows 11 Windows 10. You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page. Select Start > Settings > Apps > Apps & features. Apps & features in Settings.
Use Smart charging in Windows - Microsoft Support
To help with this problem, some device manufacturers turn on Smart charging in Windows 11. With Smart charging, you don’t need to worry about unplugging your device to keep it from staying charged to 100% for longer periods of time—Smart charging handles charging for you.