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. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Reset BIOS/UEFI settings and disable XMP profile

Reset BIOS/UEFI settings and disable XMP profile.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Test RAM modules individually to find the faulty stick

Test RAM modules individually to find the faulty stick.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Replace the defective RAM kit or module

Replace the defective RAM kit or module.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

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