The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory. Note: When signed in to the Surface app, you can see information for other Surface devices that you've also signed in to. Open the Surface app.

Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Windows 激活方法. 取决于你获取 Windows 11 副本的方式，你需要数字许可证或由 25 个字符组成的产品密钥才能激活该副本。. 如果二者都不具备，则无法激活你的设备。. 数字许可证（在 Windows 11 版本中称为数字授权）是 Windows 11 的一种激活方法，该方法不需要输入 ...

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 to restore it from a previous version.

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default.

When you get a message that says Windows can't be activated, there are several possible reasons why. Select any of the following topics to see some typical reasons for activation difficulty, along with possible ways to get going again.

You can change settings like your browser home page or search engine, clear browsing history and cookies, or sync your info across devices. Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

If your Surface won’t turn on, turns on and then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen—here's what you can try to get it working again.

When search history is off nothing new is added to your search history. Your existing history isn't deleted. To delete your search history, you need to clear it. On the Search History page, under Change history settings, click Off.

If your Surface power supply or charger still doesn't work, submit a service order. There's one last step you can take. If these steps don't resolve the problem, replace your power supply. Go to Device Service and Repair, register, and then select your Surface to start a service order.