How To Run Memory Diagnostics [hot] Jun 2026

Review the log details in the bottom pane to see if errors were detected. 3. How to Run Advanced Testing with MemTest86

Windows includes a native tool that is effective for catching major hardware failures without needing third-party software.

If your computer has multiple RAM sticks, remove all but one. Run the diagnostic test again on that single stick. Repeat this process for each stick individually. This method identifies exactly which module is failing. how to run memory diagnostics

The computer suddenly restarts or freezes without warning.

If you see errors, run the Extended test overnight. Sometimes errors are intermittent, and a single pass might miss them. Review the log details in the bottom pane

If any test reports errors, you must identify the faulty module.

Press and hold the until you see "Loading startup options." If your computer has multiple RAM sticks, remove all but one

How to Run Memory Diagnostics: A Complete Guide to Testing Your RAM

You can press at any time to open the options menu. Here, you can change the test mix to Basic (quick), Standard (default), or Extended (highly thorough but very slow), and toggle the cache settings. Step 4: Finding the Test Results

There is a potential issue with the onboard memory modules. Take your Mac to an Apple Authorized Service Provider for repair. Next Steps: What to Do If Errors Are Found