If you are experiencing problems with your Samsung Smart TV, a simple factory reset of your television may suffice in fixing any minor glitches. This restore will allow you to reconfigure all of your television's settings and get your TV working properly again.
The only thing you will need for this process if your Samsung Smart Remote.
Restore Samsung Smart TV to Factory Default
Before beginning, it's very important to make sure that your TV is OFF.
Take your Smart Remote in hand and simultaneously press Info + Menu + Mute + Power.
Next, enter the following sequence into your remote: Mute > 1 > 8 > 2 > Power.
Your television will boot up in service mode. Using your remote, go to Options > Factory Reset.
Your television will now turn off. Simply turn your device back on to proceed with the setup.