![]() ![]() I'd really be grateful for any suggestions as to what could be going on. I'm not a hardware engine but this would appear be an issue with the new BIOS upgrade. With the EC fan that HP provides, it can take many minutes for HWInfo to display the fan speed. ![]() I've also attached some relevant F12-diagnostics. This fan controller works for me, dont know if it will work with your EliteBook. However if I run HWINFO's fan control (with the new BIOS 1.3.2) as the image indicates (Custom Auto turned on), I'm back to my fan spinning at ~800 rpm and no ramping up or down. My support contact tells me that replacing the device requires a lengthy approval process. My warranty has allowed for an on-site fan replacement, followed up by another on-site motherboard and fan replacement (and another one is scheduled for tomorrow after re-installing Win10). Reverting to the old BIOS fixes the issue. I can also now hear the fan and it's keeps ramping up and down. I've a tiny Dell OptiPlex 3080 desktop (i5-10500T) whose BIOS I recently upgraded (1.3.1->1.3.2) and all of a sudden the fan's RPMs changed from 805rpm to 1800rpm. First thanks for providing HWINFO - the issue below I'm describing is mitigated HWINFO fan control utility. ![]()
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