CLOCK_WATCHDOG_TIMEOUT 🪟 Windows

Blue screen: CLOCK_WATCHDOG_TIMEOUT (0x00000101)

A CPU core stopped responding to clock interrupts — usually overclocking/undervolting, BIOS/microcode bugs, or CPU/power hardware issues.

Seen on: Windows

Meaning

Seen with unstable CPU settings, outdated BIOS on new CPUs, virtualization software conflicts and failing CPUs/motherboards.

Common causes

  • CPU overclock or undervolt
  • Outdated BIOS/chipset
  • Overheating
  • Defective CPU or motherboard

⚡ Quick fix

  1. Reset BIOS to defaults and update BIOS
  2. Update chipset drivers
  3. Check CPU temperatures and stability

Detailed fix by platform

Windows

  1. powershell
    # BIOS: Load Optimized Defaults; then update BIOS from the motherboard vendor
wmic bios get smbiosbiosversion

How to diagnose

  1. Settings — OC/undervolt?
  2. BIOS — Version vs latest
  3. Temps — Under load

🔧 Still not fixed?

Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:

🧠 Still stuck? Analyze your error

Paste the full message, response headers or stack trace — we'll detect the platform and point to the most likely cause.