How To Run Memory Diagnostics Info

You don't need to test RAM weekly. But run diagnostics in these scenarios:

Memory problems are the silent killers of PC performance. Unlike a hard drive crash that announces itself with clicking sounds or a GPU failure that distorts your screen, faulty RAM (Random Access Memory) often hides behind a mask of maddeningly inconsistent symptoms: random blue screens of death (BSOD), application crashes, corrupted files, or a PC that randomly reboots when you’re in the middle of important work.

If you suspect your computer is suffering from memory instability, you don’t need to buy new parts yet. Instead, you need to run a memory diagnostic. This article will walk you through every method available—from built-in Windows tools to third-party bootable software—to determine once and for all if your RAM is healthy or needs replacing. how to run memory diagnostics

If you have multiple sticks of RAM (e.g., two 8GB sticks making 16GB) and you find errors, you need to find the culprit.

The Slot Swap Technique:

  • Repeat for every stick.
  • Pro Tip: Sometimes the stick is fine, but the slot on the motherboard is dirty or broken. If every stick fails in Slot 1 but passes in Slot 2, throw away the motherboard, not the RAM.


  • Pass Criteria: Zero errors.
  • Time Estimate: 4 passes of the default test suite typically take 2–4 hours for 16GB–32GB RAM.
  • Critical feature: Reports the exact failing DIMM slot and physical address.
  • Choose when to run

  • During the test (takes ~10–30 minutes)

  • View results


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