Need help, my computer motherboard Asus P5ld2 3Gzdual core w/4gb of memory and hard drive WD250GB I have formatted my hard drive and I tested on my other computer and it works fine. Now I go to my Asus computer and I install my installation disc for windows 7 in my DVD drive it starts to copy files and does not complete the task it does the same with my Xp installation disc. why is this happening is my mother board not working or what can some one help me please thank you