My computer's become unstable, I ran windows 7 memory diagnostic... so it says when I reboot it'll show the results.... ROLF!!!! Funny microsoft very funny!!! so I look it up in event viewer ...

Add Yahoo as a preferred source to see more of our stories on Google. Use built-in Windows tools like the Troubleshooter to fix common problems on your computer. You can check your memory with the ...

The Memory Diagnostic Tool usually takes around 15 minutes but can extend for hours depending on the memory size. It can even get stuck, but if all you are getting is a black screen, the issue is ...