If your iMac is not finishing its boot process, corrupt display or simply no picture then you may have a main board problem.
Don’t panic! Other services or Apple may say you need a new Mainboard, we simply want to provide you with a true iMac logic board repair from the Mr Computer workshop
We can provide a sector and chip repair service that will salvage your logic board and keep you from having to buy a new (very expensive) replacement mainboard.