My roomie installed some new memory a few months ago now at least 2 - 3 times a week I get the BsoD. I've told her time and time again to call Dell for help but she refuses to. So maybe you guys can help. When the screen comes up I get an error mesage that reads "IRQL_NOT_LESS_OR_EQUAL" and then at the bottom it says it's physcially dumping the memory. And then memory dump complete. It's a Dell Dimension Desktop 2350 640 MB RAM Pentium 4 2.20 Ghz If you need more info let me know. Thank you to anyone can help me.