There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

更改页码的显示位置. 在页眉或页脚区域中，选择页码。. 使用 Tab 键将页码左对齐、居中或右对齐。. 如果数字左对齐，请按一次 Tab 键将居中，按两次将右对齐。. 若要返回，请按退格键直到返回到所需位置。.

The Protection History page in the Windows Security app is where you can go to view actions that Microsoft Defender Antivirus has taken on your behalf, Potentially Unwanted Apps that have been removed, or key services that are turned off. Note: Protection History only retains events for two weeks, after which they'll disappear from this page.

以无线方式将你的电脑连接到电视、投影仪、其他电脑或支持 Miracast 的其他类型外部显示器。. 打开你的电视或投影仪。. 如果你使用的是 Miracast 硬件保护装置或适配器，请确保已将其插入屏幕。. 在电脑上，确保 WLAN 已打开。. 在任务栏右侧，选择"网络"图标 ...

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

Close Outlook. Close Teams from the System Tray by right clicking on the Teams icon in the System Tray and select Quit. Restart New Teams. This will force New Teams to reinstall the Teams Meeting Add-in which should fix the issue. When you see Teams Meeting Add-in in the list of installed apps again, restart Outlook and it should be working again.

變更您的密碼. 移至 account.microsoft.com ，而如果您尚未登入，請使用您要更新之帳戶的使用者名稱和目前密碼登入。. 從瀏覽標題選取 [安全性] ，而因為您要存取敏感性資訊，將必須再次輸入此帳戶的密碼。. 從 [密碼安全性] 磚中，選取 [變更我的密碼] 。. 在 ...

当无法安装或删除程序时，程序安装和卸载故障排除程序可自动修复问题。. 它同时修复损坏的注册表项。. 首先，你需要下载故障排除程序。. 如果开始下载时看到“文件下载”框，请选择“运行”或“打开”。. 故障排除程序提供了你要遵循的步骤。. 如果卸载 ...

On the Formulas tab, click More Functions, point to Statistical, and then select one of the following functions: COUNTA: To count cells that are not empty. COUNT: To count cells that contain numbers. COUNTBLANK: To count cells that are blank. COUNTIF: To count cells that meets a specified criteria. Tip: To enter more than one criterion, use the ...

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.