If you have forgotten Password, PIN, if you want to erase or refresh your tablet, you can do reset your tablet from the Troubleshoot menu.
Warning! A reset returns Surface to its factory settings (out-of-the-box settings)!
It's work for any one tablet with Windows 8, Windows 8.1 OS - Microsoft Surface, Acer Iconia, Lenovo IdeaPad Yoga, ThinkPad, Acer Iconia, Nokia Lumia, etc
- Connect the charger.
- Select "Ease of Access".
- Open "On-Screen Keyboard".
- Tab the Shift key.
- Reset the tablet.
- After the reset the tablet will start inTroubleshooting mode.
- Reset your PC
- The tablet will restarts
Follow instructions on the screen to reset your tablet.
This will reset and restore your tablet to its factory settings.