The Wii U GamePad screen goes blank, or it freezes while playing games.
What to Do:
Reset the Wii U GamePad by performing the following:
Press the hold the power button until the Wii U GamePad powers off.
If the AC adapter is plugged into the Wii U GamePad, unplug it.
Wait 30 seconds.
Power the Wii U GamePad back on and see if the issue has been resolved.
General system stability can be improved by applying the current system update. Try applying the latest system update and see if the issue has been resolved.
Still Not Resolved?
If the Wii U GamePad screen still goes blank or still freezes, please contact Nintendo Consumer Support.