Memory · high

How to fixRAM-ECC-ERROR

ECC RAM Error

What this error means

ECC RAM Error ranks as a high-severity system memory (RAM) issue in our database. The ECC memory detected and corrected the error, but there is a risk of an uncorrectable error when retrying. Common triggers are aging of RAM modules, cosmic Rays, electrostatic discharges and unstable power supply. See the troubleshooting steps below for the fix.

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 4 complete
01Check ECC error logs

Check ECC error logs.

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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02Run the MemTest86 ECC test

Run the MemTest86 ECC test.

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 faulty DIMM

Replace the faulty DIMM.

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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04Check the power supply to the server

Check the power supply to the server.

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

  • Aging of RAM modules
  • Cosmic Rays
  • Electrostatic discharges
  • Unstable power supply