How do I reset my Samsung TV to factory settings?
Step 1: open the menu
Press the menu button on the remote. You can recognize this button by the word menu or an icon that resembles a house.
Step 2: open Support
Select the option Support and press the enter button. The enter button is the button centered between the arrow buttons.
Step 3: open Self Diagnosis
Select the option Self Diagnosis and press the enter button.
Step 4: select Reset
Select the Reset option and press the enter button
Step 5: if needed, enter your PIN code
If you've secured your television, it will now ask for a PIN code. Enter your security code and press the enter button. If your television doesn't ask for a PIN code, you can skip this step.
Step 6: confirm the reset
The television will now ask you if you're sure you want to reset all of the settings. Select Confirm.
The television will repair itself and shut down when it's done. Turn the television back on to re-calibrate your settings.