Instruction I:
1. If the tablet is turned on, press-hold the Power button.
2. A small list of options will pop up. From it, selct Power Off and then OK.
3. Wait a couple of seconds.
4. In the next step hold down the Power key again to turn the device back on.
1. Power down the device.
2. Now inser the USB recovery drive into the USB port.
3. Press'n'hold the Volume Down button. As you do, press and hold Power button.
4. Wait for the Surface logo to appear on screen and, when it does, release the Volume Down.
5. You will be asked to choose the language and keyboard layout you want.
6. Now is the time to select Troubleshoot.
7. Almost there... choose Refresh your PC. Select the OS you want to refresh.
8. Refresh your PC screen will pop up. Select Next and, then, Refresh.
9. Well done! You have just performed the soft reset.