Rick <ellis at spinics.net> writes: > Since memory has become quite cheap lately I decided to move from 2 GB > to 6. When I installed the memory every thing was fine until I went to > run level 5. At that point the screen turned to garbage and the system > froze. Is there a way to fix this so I can use the memory I bought? Do > I need a new display card? Have you tried memtest86? without a serial console, it'd be hard to see if that's the problem, but it is a good place to start. Often if you have bad memory the problem doesn't show until you use something that actually uses more of your memory (like starting the GUI)