HP OMEN 15 - System Fan (90b) error message on startup

[HamzaHassan]

Hi i am getting the 90B fan error on startup so i installed speedfan to check that fans are working properly or not. 

1. Here is the first screenshot when the system is idle:

2. And here is 2nd one while playing games (PES 2020):

Questions:

1. Is it normal rpm or temperature while playing games? If it is then why am i getting 90B fan error.

2. Why the rpm of fan 2 is too low even while playing games?  

[Riddle_Decipher · Accepted solution]

@HamzaHassan The device heating up during games is normal, however, the error message is not, and I must let you know that HP does not support using 3rd party programs to test the device as such, as it not show accurate results, that said, here's what you need to do, to resolve the error message:

1. Press Enter to clear the message and allow the system to boot to the Windows Desktop.

2. Shut down the computer, and then inspect and clean the exterior vents to remove dust buildup by blowing air through the vent openings. Dust can accumulate inside the vent openings and around internal cooling components, preventing the removal of heat.

   For more information on reducing heat inside your computer, see Reducing Heat Inside the PC.

3. After you remove the dust, turn on the computer. If the error message persists, continue with these steps.

4. Perform a hard reset. Performing a hard reset can reset recorded thermal values in memory and enable you to use the computer again, even if only for a short time to access and save any important files before service.

   For more information on performing a hard reset, see Use Hard Reset to Resolve Hardware and Software Issues.

5. In some cases, updating the BIOS might help prevent this error from occurring.

   For more information on how to update the BIOS, see Updating the BIOS.

6. Have the computer serviced to clean internal components and replace the system fan if necessary. Make sure to address the following items when servicing:

   • Thoroughly remove dust from all internal cooling components.

   • Make sure wires from the system and CPU fans are connected securely to the motherboard.

   • Confirm the system fan blades spin correctly, and the fan is not producing loud noises. If not working correctly, replace the system fan.

   • Remove old thermal compound from integrated circuits and heat sinks and replace with new thermal compound.

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