How To Run Memory Diagnostics |work| May 2026

The test can take anywhere from 10 minutes to an hour depending on your RAM capacity. How to see the results:

Most RAM has a limited lifetime warranty. If a stick is dead, you can often get a free replacement from the manufacturer (Corsair, G.Skill, Crucial, etc.). how to run memory diagnostics

Select to start the test immediately (save your work first!). The test can take anywhere from 10 minutes

If the Windows tool doesn’t find anything but you still suspect issues, use . It is an industry-standard tool that runs from a bootable USB drive, allowing it to test your RAM without the interference of the operating system. Download: Get the free version from MemTest86.com . Select to start the test immediately (save your work first

If the test finds a memory issue, it will provide a reference code (usually starting with PPM ). You can check these codes on Apple’s support site. What to do if errors are found?