Hi.
Look for some recommendations below:
Normal way to shut down: Go to Start > Power > Shut down or press and hold the power button until the Slide to shut down your PC screen appears (about 4 seconds), and then slide down.
Force shut down: Press and hold the power button for a full 10 seconds, until the screen turns off, then release the power button. Press and release the power button to turn your Surface back on. You should see the Surface logo.
More info you can find here: https://support.microsoft.com/en-us/help/403628...
Have a great time