Did you install the drivers for USB 3.0 , some motherboards you have to!
Is this a new motherboard? If so and it is under warranty, RMA the board.
Bad advice. You didn't even have him do any basic troubleshooting. I think you should stick to other endeavours.
abekl You would think people would be smart enough to install All! the motherboard drivers before they think something is wrong with their system. Maybe I jumped the gun and thought this person knew alot about computers. From what I have seen on Toms' most people should not attempt to build their owen systems. Sorry!