How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.

键盘快捷方式是键或键组合，提供了一种替代通常使用鼠标完成的任务的替代方法。 如果要拍摄屏幕截图或截屏，请参阅 如何获取屏幕截图并向其添加注释。. 本文包括分类为的键盘快捷方式列表：

In most cases, all you have to do to set up a scanner is to connect it to your device. Plug the USB cable from your scanner into an available USB port on your device, and turn the scanner on.

Occasionally, dates may become formatted and stored in cells as text. For example, you may have entered a date in a cell that was formatted as text, or the data might have been imported or pasted from an external data source as text.

Threat blocked. This indicates that Defender has blocked and removed a threat on your device. There's no action necessary on your part, though you might want to consider how the threat reached your machine so you can reduce the risk of that occurring again.

Type info in the search box on your taskbar, and then select System Information.

If you've received any reactions in the previous day or so, you'll get a digest email that summarizes the reactions you've received. You can unsubscribe from the digest email if you'd prefer not to receive it.

Need more help? Want to ask or answer questions about Microsoft Loop? Chat with others who are using Loop? Visit the Microsoft Answers community for Microsoft Loop here!. Contact Support For help with your Microsoft account and subscriptions, visit Account & Billing Help. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.

Note: If you use a Manual Table of Contents style, Word won't use your headings to create a table of contents and won't be able to update it automatically. Instead, Word will use placeholder text to create the look of a table of contents so you can manually type each entry into the table of contents.

注意: 无线显示应用在运行 Windows 11 版本 22H2 及更高版本的设备上可用。如果运行的是早期版本的 Windows，请在任务栏的搜索框中输入 “连接”，然后在结果列表中选择“连接”，从而启动 “连接” 应用。 若要了解正在运行的 Windows 版本，请参阅 我运行的是哪个版本的 Windows 操作系统？