Try this website, it's the best memory checker out there. http://www.memtest.org/#downiso Download the "Pre Compiled Bootable ISO.ZIP Create a CD from the ISO files in the Zip Boot from the CD and let it run. If you see and "RED" errors in the bottom section you have bad memory. You can usually figure out which stick is bad by the memory location. The best way is to run the memory in single chips to figure out which one is bad. My first post on WinCert, regular on many other forums. Nice site, very informative.
