What is CLOCK-WATCHDOG-TIMEOUT-2?
CLOCK_WATCHDOG_TIMEOUT is a critical-severity processor (CPU) problem. The CPU core stopped responding to an interrupt request. Caused by overclocking or faulty driver. This can also stem from overheating cores. Use the steps below to track down and fix the cause.
Common Causes
- CPU Overclocking
- Defective driver chipset
- Overheating cores
Step-by-Step Fix Guide
-
1
Reset OC in BIOS
Most reports of CLOCK_WATCHDOG_TIMEOUT clear up after Reset OC in BIOS, so it's worth trying before anything more involved.
-
2
Update the driver chipset
For cases that don't clear up right away, the remaining steps target less typical cpu instability problems.
-
3
Check the cooling
"Check the cooling" handles an edge case some users report with CLOCK-WATCHDOG-TIMEOUT-2.
Commands & Diagnostics
msinfo32
eventvwr.msc
Frequently Asked Questions
CPU Overclocking accounts for the majority of CLOCK-WATCHDOG-TIMEOUT-2 reports; defective driver chipset and overheating cores come up less often but are documented.
Most CLOCK-WATCHDOG-TIMEOUT-2 reports resolve after "Reset OC in BIOS". The rest of the guide above is there for the cases that don't.
Yes — CLOCK-WATCHDOG-TIMEOUT-2 is a critical-severity error and can lead to data loss or hardware damage if it's ignored. Don't put off the fix steps above.
In most cases, yes — the guide above resolves CLOCK-WATCHDOG-TIMEOUT-2 without a clean install. Treat a reinstall as the last resort, not the first move.
Not necessarily. CLOCK-WATCHDOG-TIMEOUT-2 can be triggered by software and driver issues, overclocking instability, or BIOS misconfigurations — not just hardware failure. Run through the diagnostic steps above before concluding the processor itself is defective.
Still Need Help?
Search our full database of 535+ documented PC errors for more solutions and step-by-step repair guides.
Search Error Database