Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Important: Under normal circumstances, there’s no need for you to change UEFI settings.If you change these settings, you risk the security of your Surface. But if you ever need access to the firmware features of your Surface, here's the basic info:

注意: Microsoft Edge 版本 124 及更高版本已停用 自动保存密码 设置。 相反，每次在 Edge 浏览器中输入新凭据时，Edge 都会提供保存密码。 以前自动保存的所有密码将继续可用于无缝登录。

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.

Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.