Fan not turning on

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Dell XPS 13 9360

The XPS 13 9360 is a 13-inch laptop released in 2016 with a 7th-generation Intel processor inside. It was updated in 2017 with an 8th-generation processor.

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Crispy @crispy8034

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Postado: 15 de out de 2021

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Fan not turning on

I repasted the cpu and applied some thermal pads to the heatsink. Popped the chassis back on and when i fired it up i notice the fan doesn’t turn on. Ran a startup diagnostic and it reports the fan is functional. I’m wondering if I put too much insulation that the fan isn’t being triggered? The unit gets a little hotter on the bottom chassis but seems to run faster/doesn’t throttle as hard and core temp app reports lower temps. I would like the fan to turn on or at least know whats up, thanks.

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oldturkey03 @oldturkey03 Rep: 782,5 mil 1,1 mil 893 2,3 mil · Answer 1 · 2021-10-19T14:52:22-07:00

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oldturkey03 @oldturkey03

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Postado: 19 de out de 2021

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Crispy for as long as your computer works appropriately, leave well enough alone ;-). you can always monitor the temperature with software like HW Monitor and Core Temp. At high load, temperature should be hovering between 83°and 90° with the fan running at low revolutions (a good fan will be barely audible). For a manual/custom fan control check on here It’s part of the Dell Power Manager.

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So i reached out to parts-people.com and asked them about this issue, they advised that the temperature sensor is in the cpu meaning that what is being reported by core temp is accurate. In essence placing thermal padding to the bottom of the heatsink is creating a passive cooling system by dissipating heat onto the bottom aluminum chassis. This is why the fan wasn't turning on, because it didn't need to! :) the chassis got really hot at high load but the cpu temp remained at about 75 celsius and clockspeeds were at peak (3.2ghz -3.7) with very little throttling. If you don't mind the chassis getting very toasty I highly recommend this homebrew modification!

19 de out de 2021 por Crispy

Crispy, good so all is well and things are working as should.

19 de out de 2021 por oldturkey03

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