如果摄像头无法正常在 Windows 11 中工作，可能是在最近的更新后丢失了驱动程序。 也可能是防病毒程序在阻止摄像头，你的隐私设置不允许某些应用访问摄像头，或者你要使用的应用有问题。

Describes the new and improved features of Microsoft Windows Installer 4.5. The article also discusses the issues that are addressed from earlier versions of Windows Installer.

重要: Microsoft不再支持超过一年的 Authenticator 版本。始终使设备保持最新状态。

示例 示例 1. 下面的示例使用 INDEX 函数查找某一行和某一列的交叉单元格中的值。 复制下表中的示例数据，然后将其粘贴进新的 Excel 工作表的 A1 单元格中。

Use wildcard characters as comparison criteria for text filters and when you're searching and replacing content. These can also be used in the Conditional Formatting rules that use the "Format cells that contain specific text" criteria.. For more about using wildcard characters with the Find and Replace features in Excel, see Find or replace text and numbers on a worksheet.

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如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。

If a Dynamic Lighting-compatible device is connected to your PC, Dynamic Lighting will take control of your device’s lighting and set a static effect that matches your Windows accent color.

Learn how to use and customize ActiveX controls and filtering in Internet Explorer.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.