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‎12-12-2025 02:27 AM

HP Recommended
Product: HP Z2 Tower G1i Workstation Desktop PC (B04E7AV)
Operating System: Ubuntu LTS

I am experiencing continuous high fan speeds on my HP Z2 Tower G1i Workstation immediately from boot, including in BIOS and at idle under Ubuntu 24.04. The system fans remain very noisy even though all hardware temperatures are low (20–35°C).

Here are the system details:

Model: HP Z2 Tower G1i Workstation

System BIOS Version: X51 Ver. 01.07.04

GPU: NVIDIA RTX PRO 6000 (Blackwell)

Troubleshooting steps already performed:

EC controller reset (power drain)

Verified that system temperatures are well below 40°C at idle

Checked intrusion sensor (not present on this chassis variant)

Confirmed CPU governor and OS power management functioning correctly

BIOS update checks via HP.com, fwupd, and HP support page

Only rollback to 01.07.02 is offered; no upgrade available

Based on this, the system appears to be running in maximum cooling failsafe mode because BIOS X51 01.07.04 does not yet include thermal/fan control tables for the new NVIDIA RTX PRO 6000 Blackwell GPU.

Could you please provide:

A newer BIOS version (e.g., X51 01.08.xx or later) that includes support for the RTX PRO 6000 thermal profile,
or

A beta or engineering BIOS that resolves this issue?

At present, the workstation is functional but extremely loud due to the firmware forcing maximum system fan speed regardless of temperature.

Thank you for your assistance.

 

Kind regards,

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