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.

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 Hardware problems can be caused by outdated or malfunctioning drivers.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).

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

If you start from your PC: In the search box on the taskbar, type Phone Link , and then select the Phone Link from the results. You may be asked to sign in to your Microsoft account if you haven't already signed in with Windows. Install or open the Link to Windows mobile app on your Android device.

了解如何修复错误代码 8007-0570、351f-0000 或 351f-0000-0080-0300-8007-0570，以便您可以安装 Xbox 更新。. 了解详细信息.

请按照以下步骤重置你的 Microsoft 帐户密码。. 当你尝试登录帐户时，或者当你在 Windows 10 上启动或安装游戏时，可看到以下错误代码：. 0x800704CF. 这意味着存在暂时性的网络问题。. 请尝试以下操作。.

Other support. Help with a work or school account password. I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.