I have a dual boot system with Win 7 and a Win 8.1 and all works well. I am using two SSD's with Win 8 and the other with Win 7. Asus Maximus v Gene, i5 3570k and 16 gb ram.
When I boot into Win 7 with an additional internal hdd plugged into a mob SATA port all is ok. However, when I attempt to...