Disconnect the Samsung dryer power cord.
Remove the screws along the bottom of the front panel. Lift the panel up and away from the dryer to unhook the top clips.
Disconnect the wire connector leading to the door switch connector. Set the front panel aside.
Remove the screws holding the shroud cover in place below the drum. Remove the shroud cover from the Samsung dryer.
Press down on the longest exposed area of the belt to test how tight it is. The belt should not give more than an inch.
Move the idler pulley toward the front of the dryer to loosen the belt. Slide the belt off of the pulleys and drum.
Inspect the entire belt for cracks or other damage. Replace the belt if any damage is visible.