Use built-in Windows tools like the Troubleshooter to fix common problems on your computer. You can check your memory with the Windows Memory Diagnostic tool to solve lagging issues. Tools like ...

The Windows 7 Recovery Environment is a way to boot your computer into an offline mode where you can run various recovery and diagnostic tools that can be used to try and resolve problems with Windows ...

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 ...