介绍.NET Framework修复工具以及如何获取它。 该工具可能会对已安装的.NET Framework版本进行一次或多次更改。 例如，它可以更正计算机上 Windows Installer 的状态，重置某些文件夹上) (DACL 的可自由访问控制列表，或解决与无效或损坏的更新注册相关的

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

To adjust power and sleep settings in Windows 10, go to Start , and select Settings > System > Power & sleep.. Under Screen, select how long you want your device to wait before turning the screen off when you're not using your device.

Receive photos, videos, or other kinds of files that you or a friend shares from another device, such as a phone, laptop, or tablet. On your PC, select Start > Settings > Devices > Bluetooth & other devices. Learn how to pair.

若要在 Outlook.com 中取得支援，請按一下這裡或選取功能表列上的 [說明]，然後輸入您的查詢。如果自助無法解決問題，請向下捲動至 [仍然需要協助嗎?] 然後選取 [是]。 若要在 Outlook.com 中與我們連絡，您必須登入。 如果您無法登入，請按一下 [這裡]。 如需 Microsoft 帳戶或訂閱的其他協助，請瀏覽 ...

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

インストールの準備 作業を始める前に、ご利用の PC または Mac がシステム要件を満たしていることを確認します。 プロダクト キーを既に使用している場合は、アプリを再インストールするか、職場または学校でライセンスが割り当てられていることがわかっている場合は、先に進んで ...

On your home router. Try these things first to help you fix or narrow down the connection problem. Check the Ethernet cable and connection.Make sure the Ethernet cable is securely plugged into the Ethernet port on both your router and Windows 11 PC.

Under System , select Display .Your PC should automatically detect your monitors and show your desktop. If you don't see the monitors, select Multiple displays , then Detect.