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.

Restore from a system restore point. Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

When you sign up for a Microsoft account or add an email address to your account, we automatically send a request to that email for you to verify that we have the right address. To finish the process, just follow the verification link in the email.

You can download files and folders from Microsoft OneDrive, or from SharePoint in Microsoft 365, SharePoint Server Subscription Edition, or SharePoint Server 2019 to your computer with just a few clicks. Note: If you're downloading regularly from a Shared folder, you can add and sync shared folders to your own OneDrive.

Check the Xbox services, games, and apps for any service outages.

This feature works for links to Word, Excel, or PowerPoint files, stored on OneDrive or SharePoint, that you click in Word, Excel, Outlook, or PowerPoint for Microsoft 365 on Windows or Mac. Once a user turns this feature on, it will apply to all three apps - Word, PowerPoint, and Excel.

Sign in to your Microsoft account, and see Shop & Earn History. Note that Microsoft Rewards points will expire if you don't earn or redeem anything in 18 months. Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Add flair to your email with emojis. Outlook for Microsoft 365 Outlook 2021 Outlook 2019 Outlook 2016. Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji. Hold Windows key + . (period) to open the Windows Emoji picker.

将 Xbox 控制器与主机配对. 可以通过两种方式将 Xbox 无线控制器连接到主机：使用主机的“配对”按钮 进行无线连接和使用 USB 到 micro-USB 电缆（或 USB 到 USB-C 电缆）进行有线连接。. 注意 Xbox One 无线控制器与 Xbox Series X|S 兼容。. 有关将控制器连接到 Windows 设备 ...

下面是如何分别构造 AND 、 OR 和 NOT 函数的概述。. 当将它们分别与 IF 语句组合使用时，应按如下方式表达：. AND – =IF (AND (Something is True, Something else is True), Value if True, Value if False) OR – =IF (OR (Something is True, Something else is True), Value if True, Value if False)