Memory · critical

How to fixMemTest Error

RAM cell failure detected – module defective

What this error means

This critical-severity issue affects the system memory (RAM). A diagnostic scan with MemTest86 or a similar tool has detected defective memory cells that cannot reliably hold data. Reports of RAM cell failure detected – module defective usually describe a sudden crash, brief unresponsiveness, or a stop-code screen appearing out of nowhere. This can also stem from overheating RAM modules or slot connection issues. The steps below are ordered to resolve this efficiently.

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Reset BIOS/UEFI settings and disable XMP profile
  1. Reset BIOS/UEFI settings and disable XMP profile
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

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02Test RAM modules individually to find the faulty stick
  1. Test RAM modules individually to find the faulty stick
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Replace the defective RAM kit or module
  1. Replace the defective RAM kit or module
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Defective silicon or manufacturing defect
  • Unstable XMP memory overclocking
  • Overheating RAM modules or slot connection issues