The tablet will reboot and take you to the troubleshooting option screen.From there tap / click the Shift key once, then click on the Power icon and select Restart. Click on that icon and then select the “ On-Screen Keyboard” option. In the lower-left corner of your screen, you should see the Ease of Access icon. If your tablet doesn’t have a physical keyboard, you need to open the on-screen keyboard in order to access the SHIFT key. Holding down the SHIFT key on your keyboard and then click Restart. From the Windows login screen, click the Power icon at the bottom right of the screen.
Here’s how to restore Surface RT tablet to factory default condition, without knowing your password: Windows RT integrates a built-in rescue method that allows you to reset the OS from the login screen. Reset / Remove Forgotten Password on Surface RT Tablet
This tutorial explains how to remove or reset Surface RT password by performing a factory reset. Lost your Surface password? Locked out of your Surface RT tablet? At present, there is no any password recovery utility available to Windows RT system, so you might have to reset your tablet to factory defaults.
