Memory · critical

How to fix MCE memory read error (Memory Read Error)

Error code: MCE-MEM-READ-ERR

What this error means

The processor detected an unrecoverable error while reading data from memory and wrote it to the MCE log.

Updated

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
01Run MemTest86 overnight (min 2 passes)
  1. Run MemTest86 overnight (min 2 passes)
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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02Reset XMP/EXPO to manual safe values ​​
  1. Reset XMP/EXPO to manual safe values ​​
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
03Test the RAM modules individually
  1. Test the RAM modules individually
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

  • Physically damaged RAM module
  • Unstable XMP/EXPO profile
  • Memory overheating (for notebooks with LPDDR5 under intense load)

Useful Windows tools

These commands open Windows tools. Review changes before applying them.

mdsched.exe