如果 Surface 屏幕闪烁、扭曲或有其他显示问题，该怎么办
故障排除选项. 选择以下链接，了解你看到的屏幕问题的故障排除或服务选项。. 注意: 如果屏幕亮度随着显示内容的变化而意外变化，请参阅 Surface 设备上的自适应亮度和对比度 。. 如果 Surface 上的屏幕看起来扭曲、闪烁、屏幕上有线条，或者 Surface 屏幕未正确 ...
How to set up and test microphones in Windows - Microsoft Support
Select Start > Settings > System > Sound. In Input, select the microphone that you want to test. In Input settings, look at Input volume while speaking into the microphone. If the bar moves while you speak, your microphone is working properly. If don't see the bar moving, go to Test your microphone and select Start test.
Office 的安装进度在 90% 挂起 - Microsoft 支持
你正在尝试安装 Microsoft 365、Office 2016 或 Office 2013，安装在完成标记大约为 90% 时，变为无响应（挂起或冻结）。 如果 Windows Installer 繁忙，则可能会发生此问题。 如果 Windows 更新正在使用 Windows Installer，则 Office 安装必须等到使用 Windows Installer 完成更新进程。
Applies To:
Office 2016, Office 2013, Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com
Shut down, sleep, or hibernate your PC - Microsoft Support
Select Start , and then select Power > Hibernate. Press the Windows logo key + X on your keyboard, and then select Shut down or sign out > Hibernate. Note: If devices connected to your PC (like monitors, printers, or scanners) aren't working properly after waking up from sleep or hibernate, you might need to disconnect and reconnect your device ...
Disk cleanup in Windows - Microsoft Support
Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of. To get a description of the file type, select it. Select OK. If you need to free up more space, you can also delete system files: In Disk Cleanup, select Clean up system files. Select the file types to get rid of.
Delay or schedule sending email messages in Outlook
Schedule a message for later. While composing a message, select the dropdown next to Send and select Schedule send. Select one of the default options, then select Send or choose a custom time and then select Send . After you select Send, the message remains in the Draft folder until the delivery time.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Activate Office - Microsoft Support
Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Open the Camera in Windows - Microsoft Support
Windows 11 Windows 10. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened. Open Camera.
Install mobile apps and the Amazon Appstore on Windows
Install the Amazon Appstore. To install the Amazon Appstore, you'll need to install it from the Microsoft Store. Get the Amazon Appstore. After it's finished installing, the Amazon Appstore and the Windows Subsystem for Android™ Settings app will appear in the Start menu and your app list. When you're ready, open the Amazon Appstore and sign ...
Contact Us - Microsoft Support
Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot. Dynamics 365. Intune.