I took out my original motherboard, and put my old motherboard back in to the case to see if it still worked.So when I put back my original motherboard back in the case it would not turn on, the light inside the motherbaord came on but the fans did not spin,I placed the motherboard outside the case and it turn on fine but when I put back into the case the same thing happen the motherbaord ligth came on but the fans did not spin please help.