- 1). Click "Start," "Control panel," "System and security," "Administrative tools" and "Windows Memory Diagnostic." Choose the option to restart the computer now or to run the test the next time the computer starts. Be sure to save your work before restarting now.
- 2). Restart the computer and allow the memory diagnostic tool to run. Press "F1" after the test starts for advanced test settings.
- 3). Insert your Windows installation disc into the computer to run the diagnostic from a computer that is not starting up. Restart the computer and press any key when prompted to boot from the disc.
- 4). Click "Next" at the welcome screen and "Repair your computer." Click "Windows Memory Diagnostic" in the list of repair options to start the test.
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