Skip to Content

How to Troubleshoot RAM Memory Using Windows Memory Diagnostic Tool?

  1. Open the Run dialog box using Windows + R, type mdsched.exe, and press Enter. Alternatively, search for “Windows Memory Diagnostic” in the Start menu or Control Panel.
  2. Select Restart now and check for problems to test immediately or pick Check for problems the next time I start my computer to schedule the test. Select Restart now and check for problems to test immediately or pick Check for problems the next time I start my computer to schedule the test.
  3. Before restarting, close all programs and save your files.
  4. After the restart, the Windows Memory Diagnostic Tool begins automatically in Standard mode. After the restart, the Windows Memory Diagnostic Tool begins automatically in Standard mode.
  5. For Advanced options, press F1 during the test to access settings such as:
    • Test mix: Basic, Standard, or Extended.
    • Cache: Default, On, or Off.
    • Pass count: Number of times the test repeats.
  6. Once completed, the computer restarts, and results may display as a notification.
  7. If not, access the Event Viewer.
  8. Press Windows + S, type “Event Viewer,” and open it.
  9. Navigate to Windows Logs > System, and search for “MemoryDiagnostics-Results” to view details.

Tips:

  • If errors are found, reseat or replace your RAM as needed.
  • Always back up your data before testing to avoid losing important files​