My backup HP laptop the idea of blowing into the ventilation outlet to loosen the fan was from a forum page which I did not record. So I did this to rectify the problem on a computer I have not used for half a year thanks to the guy who suggested it would not operate because of a “Cooling Fan (902) error”.
Solve HP Laptop cooling fan error step document :-
When starting the computer and Laptop the system fan might spin faster and become louder and one of the following error messages might display on the screen:
The system has detected that a cooling fan is not operating correctly continued operation is not recommended and
System Fan (90f) This error indicates that a problem exists related to the heat removal system may cause unpredictable behaviour that could result in random shutdown data loss or possible system see Reducing Heat Inside the PC.
This message indicates that the system fan is not spinning at the expected speed or a problem exists related to this message occurs to help prevent costly damage to the computer to the heat removal system.
To fix this error, use the following steps:
- Press Enter to clear the message and allow the system to boot to the Windows HP Laptop Number 1877-929-3373.
Shut down the HP Laptop and then inspect and clean the exterior vents to remove dust buildup by blowing air through the vent openings.
- After you remove the dust turn on the HP Laptop if the error message persists continue with these steps.
Perform a hard reset performing a hard reset can reset recorded thermal values in memory and enable you to use the HP Laptop again even if only for a short time to access and save any important files before service for HP Laptop error solve.
- For more information on performing a hard reset see Use Hard Reset to Resolve Hardware and Software Issues in some cases updating the BIOS might help prevent this error from occurring.
Have the HP Laptop serviced to clean internal components and replace the system fan if necessary?
Make sure wires from the HP Laptop system and CPU fans are connected securely to the motherboard.
Make sure to address the following items when HP Laptop servicing:
Confirm the HP Laptop system fan blades spin correctly and the fan is not producing loud noises.
If not working correctly replace the HP Laptop system fan remove old thermal compound from integrated circuits.
Heat sinks and replaces with the new thermal compound.