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.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

To help you keep your device secure, Windows Security monitors your device for security issues and provides a health report, which appears on the Device performance & health page. The Health report alerts you to common issues in four key areas and offers recommendations to remedy them.

You can create either a new Outlook.com email address or add an address that you already have. Then, select Add alias. After you’re returned to the previous screen, select Verify, and then follow the instructions that are provided. Or, select Add phone number.

激活帐户后，下面介绍如何在主机上流式传输游戏: 按 Xbox 按钮 打开导航页，然后转到“捕获和共享”。. 选择“实时流式传输”，如果有多个选项，请选择提供商。. 如果要更改用于调整流式传输观众体验的服务，选择或更改“目标”。. 选择“开始直播 ...

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

ASCII and Unicode character encoding enables computers to store and exchange data with other computers and programs. Below are lists of frequently used ASCII and Unicode Latin-based characters. For Unicode characters for non-Latin-based scripts, see Unicode character code charts by script.

There are several ways to use your mouse to Snap in Windows: button in the app you'd like to Snap. The Snap layout box will display automatically. Select the Snap layout you'd like to use from the layout box. Use Snap Assist to fill the layout with other apps you'd like to Snap together.

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。.