Hi mac59,
When you install Windows , any version of Windows (Vista, Seven, 8 )... Windows do not like when the computer have more ONE stick of Ram.
So try install with only one stick of ram.
Maybe if you have other problem, with one stic of ram, keep it... and come here to describe a problem.
Sometime set a IDE for install , not AHCI or RAID...
Window have a difficulty to recognize a NON-Initialised Drive (no partition , no formated)
So if you have a possibility prepare a Disk with other computer ...
More infos here:
http://forum.giga-byte.co.uk/index.php/topic,12552.msg82549.html#msg82549Sometime , use a PS/2 keyboard, for install windows...