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05-12-2020 05:07 AM
I hope someone has a solution to this problem because I can't figure it out
I have an HP probook 450 G3 W4P17ET here. The cooling fan runs constantly at full speed. This happens immediately upon start-up. Even in the bios it runs full speed. So there is no further activity. The fan continues to run at the same high speed and only stops when the laptop is switched off. Furthermore, the laptop works perfectly.I have already taken the following actions without result: Laptop reset, cooling fan replaced (works fine in another 450 G3) bios update and roll-back performed, checked for air output blockages, replaced CPU thermal paste. So I am stuck.
I think it is a thermal sensor on the motherboard that controls the cooling fan. But I don't know where it is. Is that possible?
I hope someone has a solution for me.
Thanks for contributing ideas
05-12-2020 06:26 AM
The next step (IMHO) is to do a Windows reset (save all your files), and then run HP Image Assistant to update all drivers. This could be Windows as well. Also, do a BIOS reset to defaults
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