Fan operations

[Jackgeorge15]

When I shut down my PC the cooling fan starts at full speed until I shut off power.  Normally, the fan noise is minimal and I have recently cleaned out all dust so don't understand why this is so.  

Any suggestions as to how I might cure this aberrant behaviour?

[Treeko]

Hi @Jackgeorge15 

Welcome to HP Support Community. 

Thank you for posting your query, I will be glad to help you. 

I see that you are facing fan issues with HP laptop

Kindly refer to the steps on this link and let me know if that fixes the issue.

Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!

I hope this helps.

Take care and have a good day.

Treeko

HP Support

[Jackgeorge15]

Sorry, Treeko,

I have a HP Compaq Elite 8300 SFF desktop, not a laptop.

I previously posted a plea for help and received a reply essentially telling me to vacuum the interior, unplug the main fan cooling the CPU and all should be well.  i have done that to no effect.  I have limped along as the problem is more an inconvenience than a serious lack of functionality.

My thinking is that there is something, could be hardware or software related, that keeps the circuit that drives that cooling fan on after the mainframe has shut down.  The fan spins at what appears to be full speed although it is imperceptible during normal operation. 

Hope that clarifies things and may help you with a diagnosis and fix.

all the best,

jg15

[Treeko]

Hi @Jackgeorge15 

Thank you for confirming.

I've sent you a private message with the instructions. In order to access your private messages, click the private message icon on the upper right corner of your HP Support Community profile, next to your profile Name or simply click on this link

I hope this helps.
Take care and have a good day.

Treeko
HP Support