Both Windows 7 and Vista have a built in utility that can check for problems with your computer. There exists the Windows Memory Diagnostic tool which runs automatically when your computer realizes there is an issue, but you can also run it manually if the computer is acting funny and you suspect the memory modules might be involved.

To use the utility, go to the search box in the Start menu, type in mdsched.exe and hit the enter key. In the box that appears, you can choose to run the memory utility right then with a restart or the next time you restart the PC. When the computer restarts, the Windows Memory Diagnostic tool kicks into action. If the program confirms an issue with the memory, you can replace it or bring the computer to us for professional help. Microsoft has more on using the memory tool here.

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