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:

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.

如果在设置中打开用与首选语言不同的语言编写的页面，Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时，“翻译”图标 显示在地址栏中。 如果语言未包含在设置中的首选语言列表中，则该语言被视为外在语言。

Safe mode starts Windows with a minimal set of drivers and services to help troubleshoot issues. If a problem doesn't reappear when you start your PC in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

Right-click the app, select More, and then select Open file location.This opens the location where the shortcut to the app is saved. If there isn't an option for Open file location, it means the app can't run at startup.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Als je ondersteuning wilt krijgen in Outlook.com, klik je hier of selecteer je Help op de menubalk en voer je je query in. Als de zelfhulp uw probleem niet oplost, schuift u omlaag naar Hebt u nog steeds hulp nodig? en selecteer Ja.. Als je contact met ons wilt opnemen in Outlook.com, moet je je aanmelden. Als u zich niet kunt aanmelden, klikt u hier.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

Note: If you don’t want to start your Surface from your USB drive, make sure the drive isn't inserted in the USB port on your Surface when you start it.