How to fix System Fan (90b, 90f) Error Message in HP Notebook PCs?
While starting your HP computer, you might face the problem of system’s fan that may spin faster and
become louder with the following error message on the display of your HP computer. Therefore, you are
required complete HP Technical Support for reliable solutions.
“The system has detected that a cooling fan is not operating correctly.
Continued operation is not recommended and may cause unpredictable behavior that could result in
random shutdown, data loss or possible system damage. The system will shut down in 15 seconds. To
prevent a shutdown and continue operation, press the Enter key now.
System Fan (90b)
System Fan (90f) This error indicates that a problem exists related to the heat removal system.”
The error message indicates that the fan of your computer system is not spinning at the expected speed
or a problem exists related to the heat removal system. The error message appears in order to prevent
damage to your computer.
Use the following solution steps in order to overcome the problem quickly-
First of all, you need to clear the message by pressing “Enter” and enable the computing device
to boot the Windows Desktop.
Then, shut down your computer and inspect and clean the exterior vents in order to remove
dust buildup by blowing air via vent openings. Dust can accrue inside the vent openings and
around internal cooling components, which prevents removal of heat.
Turn on your computer, once you removed the dust. Still, the error persists, then you need to
continue the following steps.
A hard reset can reset accumulated thermal values in memory and all you to use the computer
again properly. Perform a hard reset accordingly.
Updating the BIOS can also help you to prevent this error from appearing.
The above state solutions steps are best and easy to perform, but in case you encounter any problem
with the above steps or have any query then directly contact our customer service through our helpline
HP Support Phone Number +1-877-645-7494. Our certified and skilled professionals are available here
24 hours to clarify all the doubts and problem you are having with your HP computer.