Resetting a Samsung TV is straightforward, but it should be treated as a last resort. According to Engadget's guide, a factory reset returns the TV to its out-of-the-box state, wiping picture and sound preferences, installed apps, and OS updates. Before starting, users should write down PINs and passwords for streaming services and Wi-Fi, because they will need them afterward.
To perform a factory reset, open Settings, then All Settings, choose General & Privacy, and select Reset at the bottom of the menu. The TV asks for a PIN; if none was ever set, the default is 0000. The guide notes that Samsung occasionally relabels Tizen menus, but the process should remain similar across generations.
Before going that far, Engadget recommends trying softer steps. A simple reboot—unplugging the TV for 30 seconds or holding the remote's power button for five seconds—clears RAM and system cache. A Smart Hub reset wipes apps and account info without a full factory reset, and a network reset can address connection problems. A full factory reset is irreversible, so it is best to exhaust those options first.