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Alpha_Lyrae
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Quiet mode stops working in touch screen mode under certain circumstances

HP Recommended
Envy x360 15z-ds100 CTO

OS: Windows 11 build 22000.100

RAM: 32GB DDR4-3200

BIOS: F.07 (latest for 15z-ds100)

 

RE: HP Command Center thermal profiles

 

Here's an interesting little issue: Quiet mode stops working when the screen is positioned past 180 degrees and laptop goes into touchscreen mode (turning off keyboard and touchpad). This usually happens in an application that is using CPU/iGPU, like Civilization VI, which is where I've observed this behavior. Once laptop panel is positioned in normal laptop mode, fans immediately turn off and Quiet mode works again. Changing thermal modes also doesn't seem to have any effect during this time. Fan will stay at same speed regardless.

 

It might be related to the last BIOS fix that stopped laptop from overheating when in Modern Standby with a 3D game in background, but I'm not sure.

 

SoC temperatures are at/below 65C and fan will continue running even after game is exited and SoC is below 45C. If you put laptop display back up, this behavior stops. It only seems to happen when laptop is in touchscreen mode.

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