How to use the PC Health Check app. Windows 11 Windows 10. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems.

Following are examples of some common nested IF (AND ()), IF (OR ()) and IF (NOT ()) statements in Excel. The AND and OR functions can support up to 255 individual conditions, but it’s not good practice to use more than a few because complex, nested formulas can get very difficult to build, test and maintain.

When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

查看此处以了解我们当前正在跟踪的已知游戏问题，并了解可以对其执行的操作。. 如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下，你 ...

If your touchpad isn’t working, it may be a result of a missing or out-of-date driver. Updating or reinstalling your touchpad drivers in Device Manager may help solve the problem. To open Device Manager, enter device manager in Search on the taskbar, then select Device Manager.

Press the Xbox button on your controller to open the guide. Go to Profile & system, select your profile, and then select My profile. Select Customize profile > Change gamerpic. Choose your gamerpic from the selection shown, or select either Take a picture of my avatar or Upload a custom image.

End of support for Cortana. We’re making some changes to Windows and Microsoft 365 that will impact Cortana users. Cortana voice assistance in Windows as a standalone app was retired in the spring of 2023.

Wired connections: Activate and use any wired connections, including Ethernet, USB, and Serial communications between your device, the internet, and other devices. Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Report an issue in the Microsoft Store. If you find an issue with content in the Microsoft Store that you think we should know about, there’s an easy way to report it: Select the item in the Microsoft Store that you want to report. When you reach the product description page, scroll down to Details. Scroll to the right and select More info.

When your old email address or phone number doesn't suit you anymore—but you want to retain your contacts, online storage, subscriptions, and settings—you can add a new email address or phone number as an alias to your existing Microsoft account.