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Windows での黒または空白の画面のトラブルシューティング - Microsoft サポート
Windows デバイスで黒または空白の画面が表示される場合は、次の操作を試してください。. 画面をスリープ解除するには、次のいずれかのキーボード ショートカットを使用します。. Windows ロゴ キー + P を使用してプレゼンテーションまたはプロジェクション ...
Use Snipping Tool to capture screenshots - Microsoft Support
There are four ways to open Snipping Tool: Select the Start button, enter snipping tool, then select Snipping Tool from the results. Press Windows logo key + Shift + S for a static image snip. Press Print Screen ( PrtSc ) for a static image snip. Press Windows logo key + Shift + R for a video snip.
Back up your Windows PC - Microsoft Support
First, launch Windows Backup: select Start , type windows backup, and select Windows Backup from the results. (Or you can select Start > All apps > Windows Backup .) Then select Folders to drop it down, and select which of your user folders you want to back up to OneDrive: You can back up your Desktop, Documents, Pictures, Videos, and Music ...
Update to the new Microsoft Edge - Microsoft Support
At the top corner of the browser, select Settings and more > Settings . To change appearance, select Appearance and make the changes you want to your default theme, zoom, toolbar, and fonts. To change startup behavior, select On startup, and then select what you want Microsoft Edge to display on startup.
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.
Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To: Microsoft account dashboard
Power efficient settings in Windows 11 - Microsoft Support
You can find efficiency settings in Windows 11 at Settings > System > Power & battery . For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: Guided walkthrough in Get Help. Click on each topic below to view some ideas that can improve the power ...
如何在 Windows 中设置和测试麦克风 - Microsoft 支持
请确保麦克风已连接到电脑。. 选择 "开始 >设置> 系统 > 声音"。. 在 " 输入"中,选择要测试的麦克风。. 在 "输入设置 "中,查看 对 着麦克风说话时输入音量。. 如果在说话时移动栏,则你的麦克风将正常工作。. 如果未看到栏移动,请转到测试 麦克风, 然后 ...
Update drivers manually in Windows - Microsoft Support
In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...
Windows 更新疑难解答 - Microsoft 支持
Windows 11 Windows 10. 如果你在下载和安装 Windows 更新时收到错误代码,更新疑难解答可以帮助解决该问题。. 选择“ 开始 ”>“ 设置 ”>“ 系统 ”>“ 疑难解答 ”>“ 其他疑难解答 ”。. 接下来,在 最常用的 下,选择 Windows 更新 > 运行 。. 运行完疑难解答后,最好 ...