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error ASUS
Error Code FAN PWM Signal Failure
Fan speed control circuitry malfunction or fan power failure.
? What Causes This
Faulty Fan PWM signal wire connections or damaged FAN/PWM header connectors, inadequate power supply to fans.
✓ How to Fix It
Check connections and integrity of all fan cables; verify proper power routing from PSU. Replace faulty components if needed.
Source: page 14 of the official manual
From the manual
This error code appears in:
ASUS Tuf Gaming H770 Pro Wifi Motherboard