Whatever the reason, Samsung has made it relatively easy to reset your TV to the state it was in when you first set it up.

By default, the PIN is 0000 (four zeroes ... If you're ready to reset your Samsung TV to its factory default, select Reset. A progress bar will then indicate that the reset process has begun.

Related: How to Turn Off Voice Guide on a Samsung TV To reset the Smart Hub settings, go to Settings > Support > Device Care > Self Diagnosis > Reset Smart Hub. If you're asked for a PIN ...