What does it do? We cant help if we do not know what is going on.
Have you tried to run MemTest86? Google for it. Free and it is a LiveCD that you want. Run that it will test your RAM. Also if you can put the Hard Drive in another system and do a check disk.
Have you tried to run MemTest86? Google for it. Free and it is a LiveCD that you want. Run that it will test your RAM. Also if you can put the Hard Drive in another system and do a check disk.