How To - Run Memory Diagnostics ((exclusive))

Select to begin immediately (ensure all work is saved) .

Release the key when you see a progress bar or language selection. For Apple Silicon (M1/M2/M3) Macs: Shut down your Mac. how to run memory diagnostics

Sometimes the sticks are just loose. Turn off your PC, unplug it, remove the RAM sticks, and click them back into their slots firmly. Select to begin immediately (ensure all work is saved)

Windows will automatically restart after the test completes . Sometimes the sticks are just loose

Apple does not use standard PC memory testers. Modern Macs (2013 and later) have built-in Apple Diagnostics (formerly Apple Hardware Test).

To run memory diagnostics on Windows, use the built-in Windows Memory Diagnostic

Windows runs on top of your RAM. If your RAM is slightly bad, Windows might misreport the error. MemTest86 runs from a USB stick before Windows loads, giving it pure, unadulterated access to the hardware.