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- Fedora 42 ACPI fan

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09-17-2025 07:30 PM
I have to use Fedora for work, the ACPI fan wont go above 2400 RPM. I made sure the HP_WMI driver was installed, and verified system was up to date. I've made sure the system has all the drivers and tools needed. I will be using the computer with load and will need the cooling to operate. I searched the net and came up empty. Any ideas help, thank you in advance.
Fedora 42.1.1
Kernel: Linux 6.16.7-200.fc42.x86_64
AMD Ryzen 5 8540U
09-19-2025 12:00 PM
@Tgilstrap, Welcome to HP Support Community,
Thank you for posting your query; I’m here to help by guiding you through steps to resolve this issue
Update BIOS/UEFI:
Check if there's a BIOS update for your Omnibook 5 on HP's website. Sometimes fan issues are fixed with BIOS updates.
Check BIOS Fan Settings:
Reboot and enter BIOS (press Esc, F2, or F10 during startup).
Look for "Fan Control" or "Thermal" settings and set it to Performance or Max Cooling.
Test Fan Hardware:
Run HP's diagnostic tool (press Esc during boot) to check if there’s a hardware problem with the fan.
I hope this helps.
Please feel free to reply here if you have any questions or if you need further clarification on any of the steps.
Take care and have a good day.
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Regards,
Garp_Senchau
I am an HP Employee