I began by inspecting the dryer to diagnose the issue. The dryer was not heating, which could be due to a faulty heating element or a malfunctioning high limit switch. I accessed the dryer's back panel to locate the heating element and high limit switch. After confirming the dryer was unplugged, I removed the old heating element by detaching the wires and screws. I then installed the new heating element, ensuring it was securely connected. Next, I replaced the high limit switch, which controls the dryer's temperature and prevents overheating. I reassembled the dryer, plugged it in, and tested it to ensure the heating element and high limit switch were functioning correctly. The dryer now heats efficiently, restoring its performance.