更改桌面背景图像 - Microsoft 支持
使用 Windows 设置应用更改桌面背景和颜色。
How to use multiple monitors in Windows - Microsoft Support
Tip: If you're using a wireless display adapter, connect to an HDMI port on newer TVs, then wirelessly connect your PC to it.After connecting your wireless display adapter to your TV, go to your Windows 11 PC, press Windows logo key + K to open Cast, then select your wireless display adapter.
How do I use the Fn key/F Lock key/Alternate command keys?
Alternate command key. What it does. Help. Opens the Help system (if any) for the active window. Undo. Cancels the previous action. Redo. Cancels the previous Undo action.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。
Add, turn off, or remove extensions in Microsoft Edge
Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.
Troubleshoot problems with Microsoft Authenticator
Tips: If you're using mobile data, try switching to Wi-Fi and vice-versa. Make sure Airplane mode is off.
Résoudre les problèmes audio dans Windows - Support Microsoft
Vérifiez vos câbles, plug-ins, prises, volume, haut-parleur et casque. Essayez les étapes suivantes : Vérifiez vos connexions haut-parleurs et casque pour vous assurer que des cordons ou des câbles ne sont pas débranchés. Assurez-vous que tous les cordons et les câbles sont correctement branchés.
How to access OneDrive settings - Microsoft Support
Tips: If you don't see the OneDrive icon, OneDrive might not be running. On a PC, go to Start, type OneDrive in the search box, and then click OneDrive in the search results. You might need to click the Show hidden icons arrow next to the notification area to see the OneDrive icons. On a Mac, use Spotlight to search for OneDrive and open it.
Applies To:
OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Use the On-Screen Keyboard (OSK) to type - Microsoft Support
To open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it.
Office Help & Training
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