WHEA_UNCORRECTABLE_ERROR: Uncorrectable hardware error
TL;DRThis is a Windows blue screen error that occurs when the system detects a serious hardware problem it cannot correct, often involving the CPU, RAM, or motherboard.
Likely causes
- Overheating or faulty CPUmost likely
- Defective RAM modulesmost likely
- Power supply or motherboard issuespossible
- Outdated or corrupted driversless likely
How to fix it
Safest first: SafeChanges settingsDangerous
Monitor temperaturesSafe
Use built-in tools or BIOS to check if the CPU is overheating during use.
Run memory diagnosticSafe
Restart and let Windows test the RAM for errors.
Search for Windows Memory Diagnostic in the Start menu and run it.Check event logsSafe
Review recent system events for hardware error details.
Open Event Viewer from the Start menu and look under Windows Logs > System for WHEA errors.Update BIOSDangerous
Download and install the latest BIOS from your motherboard maker if overheating or instability persists.
⚠ Back up all data first as BIOS updates can fail and prevent booting.
If that didn't fix it
The computer may continue to crash randomly or become unstable, risking data loss.
When to see a technician
Consult a technician if basic checks like memory tests do not resolve the crashes.