Diagnostics — How To Run Memory

If you have enabled an XMP (Extreme Memory Profile), EXPO, or manual RAM overclock in your motherboard BIOS, disable it. Run the memory diagnostics at the factory-default clock speeds to see if the profile was simply unstable.

The Windows Memory Diagnostic is a native tool in Windows 10 and 11 that doesn't require any downloads. Step-by-Step:

Bad RAM rarely fails completely at once. Instead, it degrades slowly. Look for these symptoms: how to run memory diagnostics

The test will begin running automatically in Standard mode, which is sufficient for most users.

To run a more thorough test, press F1 during the test screen, select "Extended" using the arrow keys, and press F10 to apply. This takes longer but is more accurate. Step 3: View Results If you have enabled an XMP (Extreme Memory

If any of these tools report errors, your RAM module is either failing or improperly seated. Take these troubleshooting steps next:

Open the extracted folder and run the imageUSB.exe application. Step-by-Step: Bad RAM rarely fails completely at once

This reboots your PC immediately to start the test. Save all open work before clicking this.

The test takes a few minutes. If your memory is working correctly, you will see a message saying "No issues found." If there is a RAM issue, it will display a specific reference code. Memory-related codes typically start with (e.g., PPM001 to PPM015). If you see these codes, your Mac requires physical hardware service. What to Do If Your Diagnostics Find Errors

| Pros | Cons | |------|------| | No installation required | Basic error detection only | | Works on all modern Windows versions | No detailed error location info | | Fast “Standard” test (under 30 min) | Results not always easy to find | | Free and safe | Cannot test 100% of RAM on some systems |

If Apple Diagnostics finds a RAM error and your Mac has soldered, non-upgradeable memory, you will need professional motherboard repair or a complete device replacement under warranty.