We fix any motherboard problem related to a power shorted. Water spill, a power surge, or overheating can cause your iMac to not boot up normally. Logic board are the brain of a iMac Computer as it controls audio, video, power, USB port, keyboard and trackpad. If you have a problem with the motherboard of a Imac of all model, just drop us a message and we will let you know the possible cause and have your iMac Computer examined by our Apple repair specialists. In most cases, repairing the motherboard is more cost-effective rather than replacing it with a new one, not to mention that all your data will be wipe off.