Run Memory Diagnostics: How To

Faulty RAM cannot be fixed via software updates or firmware tweaks. You must replace the broken module. Check with your manufacturer, as many desktop RAM brands offer lifetime warranties.

Turn off your Mac. Turn it back on and immediately press and hold the D key until a progress bar or language selection screen appears. how to run memory diagnostics

If you checked at least two of these boxes, proceed immediately to the diagnostic tools below. Faulty RAM cannot be fixed via software updates

Apple Diagnostics will run a brief test. If it detects a memory issue, it will output a specific reference code. Codes beginning with (such as PPM001 through PPM015) explicitly indicate a memory hardware issue that requires hardware service. Troubleshooting Failed Test Results Turn off your Mac

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

Your computer's Random Access Memory (RAM) acts as its short-term workspace. When it malfunctions, your entire system can destabilize. Random crashes, the dreaded Blue Screen of Death (BSOD), corrupted files, and sudden reboots are all classic symptoms of failing RAM.