Blue screen: WHEA_UNCORRECTABLE_ERROR (0x00000124)
The hardware reported an error Windows couldn’t recover from — CPU, RAM, overclock/undervolt, overheating or power delivery.
Seen on:
Windows
Meaning
Stop 0x124 is hardware-level (Windows Hardware Error Architecture). Overclocks (including XMP/EXPO), undervolting, overheating CPUs, failing PSUs and new-generation CPU microcode issues are typical.
Common causes
- Unstable overclock/XMP/undervolt
- CPU overheating
- Failing RAM, CPU or PSU
- Outdated BIOS/microcode
⚡ Quick fix
- Reset BIOS to defaults (disable XMP/OC)
- Update BIOS/chipset
- Check temperatures and test RAM/CPU
Detailed fix by platform
Windows
Get-WinEvent -LogName System | Where-Object ProviderName -eq 'Microsoft-Windows-WHEA-Logger' | Select -First 5 | Format-List
How to diagnose
- WHEA log — Component reported (Processor Core, Cache, Memory)
- Temps — HWMonitor
- Settings — OC/XMP enabled?
🔧 Still not fixed?
Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:
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Last updated 7 Oct 2026