Step 1: Swipe in from the right and tap or click Settings, tap or click Power, and then tap or click Shut down to shut down Surface. If you can’t shut down Surface normally, press and hold the power button on your Surface
for 30 seconds.
Step 2: After Surface turns off, press and hold volume-up button and the power button on your Surface at the same time for at least 15 seconds, and then release both.
The screen may flash the Surface logo, but continue holding the buttons down for at least 15 seconds.
Step 3: After you release the buttons, wait 10 seconds.
Step 4: Press and release the power button again to turn your Surface back on.
if this does not work, you will need to exchange it.
Barb My Blog - http://digitalmediaphile.com/ MVP-Windows and Devices for IT Windows Insider MVP