Possible causes. Make sure your PC, the external display, and the cable all support DisplayPort or MHL alternate modes. Make sure the device or dongle is connected directly to your PC. Make sure the device or dongle is connected to the USB-C port on your PC that supports the correct Alternate Mode.

If you can't find an app or program, try the tips in See all your apps in Windows 10 and Program is not listed in add/remove programs after installation. If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter.

You can import photos and videos you have stored on a camera’s SD card, a USB drive, a phone, or on another device. Here's how: Use a USB cable to connect your device to the PC. In the search box on the taskbar, type photos and then select the Photos app from the results. Select Import from the app bar.

When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

当您尝试更改 Xbox Live 玩家代号时，您会看到以下错误代码：. 80154303. 这可能意味着您选择的新玩家代号已在使用中或不可用。.

You may receive a message that says your desired gamertag is unavailable. If so, try again until one is accepted. On the next page, review how the gamertag will look across Xbox services. If you’re satisfied with your new gamertag, select Change gamertag.

借助 Game Bar，可在 Windows 10/11 上玩游戏和与好友聊天时与 Xbox 社区保持联系。. 注意 若要在 Game Bar 中使用许多 Xbox 功能，包括 Xbox Social 功能，必须安装 Windows Xbox 应用。. 若要使用 Xbox Social 的功能，请使用 Microsoft 帐户登录到 Game Bar。. 按 Windows 徽标键 + G 打开 ...

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.

To start a new conversation, select New message. Enter the name or phone number of a contact. Select the person you want to send a message to. A new message thread opens for you to begin with. If you encounter issues while using messages, our troubleshooting tips may help.

Troubleshoot issues in the Xbox Game Pass mobile app. Find out how to fix app problems when playing on your phone.