There are steps you can take if you turn on a Surface device and see "Couldn't find a bootable operating system." Related topics . ×. Surface startup failure topics. Surface won’t turn on or start; Force a shutdown and restart' Shows 'No Bootable Device' Stuck on a logo screen; Shows 'Couldn't find a bootable operating system' Shows a 'Choose an option' screen; Starts Automatic Repair ...

The System Shutdown dialog box is displayed on the locked computer, but the computer does not restart. When the shutdown timer expires, the Welcome to Windows dialog box is displayed. Before the screen saver becomes active, press CTRL+ALT+DELETE, and log on normally.

You can also lock your Surface by pressing the Windows logo key + L, or by pressing Ctrl+Alt+Del on your keyboard and selecting Lock or Sign out. Switch to another account If you’re sharing your Surface with someone else, you can switch to their account without signing out or closing apps.

Before you reset your device and reinstall Windows, you can choose to keep your files or remove them. If you can't sign in to Windows, try retrieving your password before performing a reset. To learn more, see When you can't sign in to your Microsoft account. Here’s how to reset your Surface:

Brute force attacks are one of the top three ways that Windows computers are attacked today. However, Windows devices currently do not allow built-in local Administrator accounts to be locked out. This creates scenarios in which, without the proper network segmentation or the presence of an intrusion detection service, the built-in local Administrator account can be subjected to unlimited ...

Try It! Personal Vault is a protected folder within OneDrive that can only be accessed with a second step of identity verification. It gives you an added layer of protection for your most important files and photos like your passport, driver’s license, or insurance information, so you can access them from virtually anywhere.

To prepare your device for shipping to Microsoft, you can print a shipping label, check your Microsoft warranty, and create service orders. Find in-person support Currently China , India , Japan , and the United Kingdom have in-person support available—which can include professional hardware inspection, troubleshooting, and system recovery.

I can't sign in to my Microsoft account If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

Save to your Microsoft Account - This will save the key in the Recovery Keys library of your Microsoft Account where you can easily get to it from any computer in the future. Note: If you're signed into a computer managed by your work or school this may say Save to your Azure AD account instead.

PCs & Devices . Computers; Shop Xbox; Accessories; VR & mixed reality; Certified Refurbished; Trade-in for cash ... To turn on or wake your Surface, press the power button and wait a few seconds. To find out where the power button is located, find out which Surface model you have, then see the Features page for it. On, off, sleep, and restart. Here’s a quick overview of the power states for ...