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 ...

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In the Settings app on your Windows device, select Accounts > Sign-in options or use the following shortcut: Sign-in options. Under Ways to sign in , you have three choices to sign in with Windows Hello: Select Facial recognition (Windows Hello) to set up facial recognition sign-in with your PC's infrared camera or an external infrared camera.

A scanner you've connected using a wired, wireless, or network connection. An app for scanning files, such as Windows Scan, available for free from Microsoft Store. The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.

Select the file you want to share on your PC. Right-click on the file and select “ Share .”. Find Phone Link in the App Section of the share pop-up window. File sharing will start on your mobile device connected to Phone Link . Ensure Windows notifications for Phone Link are enabled to monitor the file sharing process in real-time.

Alt+0299. Alt+0332. Alt+0333. Alt+0362. Alt+0363. Notes: If you're working on a laptop without a separate numeric keyboard, you can add most accented characters using the Insert > Symbol > More Symbols command in Word. For more info, see Insert a symbol in Word.

备注. 虽然 Excel 允许嵌套最多 64 个不同的 IF 函数，但不建议这样做。 原因如下。 要正确地构建多个 IF 语句需要花大量心思，并要确保其逻辑在直至结尾的每个条件下都能计算正确。

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...

Recover lost or deleted files. Windows 7. Note: If you've recently updated Windows 10 and are having problems finding files, see Find lost files after the upgrade to Windows 10. If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try ...