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‎08-19-2016 08:57 AM

HP Recommended
Product: Zbook 15 G3

I have heard the Zbook Studio G3 and similar slimmer HP laptops have fan noise issues as well as the fan turning on and off too often.  I have the Zbook 15 G3, which appears better at regulating the fans.  I have noticed that the fan profile is a bit aggressive in turning on for very little activity.  I ran CPUID HWMonitor and when the CPU hits around 65 deg C (just reloading a HP forum webpage for example), the fans turn on to a noticeably louder level.  The GPU does not exceed 40 deg C in most general activities.  My older laptops seemed to hold back the fan until it was absolutely necessary.  I'm trying to rule out improper heatsink installation on the CPU side, it is likely an HP configuration choice.

A few questions:
1) Has anyone else noticed this fan profile or is my CPU just heating up too easily (or not able to dump the heat)?
2) Is there a way to set thresholds or adjust how much of the fan percentage should turn on at a given temperature?  Windows has power options for the processor, but those are very coarse.  This forum points to a fan control program on github that may help, but I am hoping that will not be necessary:
http://h30434.www3.hp.com/t5/Business-Notebooks/HP-Probook-650-G2-Fan-is-constantly-ramping-up-and-d...
3) Is this a BIOS thing?  I know the Intel Dynamic Platform and Thermal Framework is not available for the Zbook 15 G3, but is available for the Studio.  I'm not sure the Intel Dynamic Platform and Thermal Framework would even help.

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