How To Fix The HP Notebook System Fan 90b Error Message On Startup?
The HP Notebook System Fan 90b Error Message On Startup indicates a serious problem which exists in relation to the heat removal process. Here, as per as HP technical support
study is concerned, one of the two possible events is possible: first, the system fan is not at all spinning or even it may be the case that the system fan is not spinning properly and the second cause may be the temperature inside the case which is too high and the fan can't spin fast enough to remove the heat situation.
Steps to fix the HP Notebook fan error 90b
Step1: Working with the exterior vent
·If a user is noticing that the system fan is spinning and is blowing quite warm air from the computer, then cleaning all the exterior vents to remove dust buildup instantly by blowing air through the vent openings is necessary. This should be done while the computer is completely in "off' mode. Dust can further accumulate inside the vent opening and all around internal cooling components to prevent the heat removal process.
Step2: Perform a instant hard reset
·Performing a hard reset can further reset all the recorded thermal values in the memory by enabling you to work with the computer again even if it's only spinning for a short time to access. Save all the important files before it is in service process.
Step3: Updating the BIOS
·While updating the BIOS set-up, it may further help prevent this critical error from occurring in future as suggested by HP Notebook support
Step4: Computer servicing process
·Enable the computer service to easily clean up all the internal components and then replace the system fan carefully if necessary. Ensure that all the following items are well addressed while servicing
·Thoroughly remove all the available dust from all internal cooling components in the device.
·Ensure that wires from the system as well as from the CPU fans are well connected to the motherboard in secured mode.
·Ensure that your system fan blades are spinning correctly, and are not producing any unwanted noises. Replacing of the system fan is essential if it's not working correctly. Your above issue is now resolved completely. But do call us if you still have problem with your HP Notebooks at HP notebook Customer Support Toll-Free 1-800-213-8289 section anytime.