What to do if my Harman Kardon Home Theater System does not power up?
- TThomas BakerAug 17, 2025
First, ensure the power cord is securely plugged into the system's AC power connector and a working AC outlet. If the outlet is switch-controlled, verify the switch is ON. Also, check that the main power switch on the rear panel of the Harman Kardon Home Theater System is in the ON position.