# LarkBox Pro always on FAN

**URL:** <https://forum.chuwi.com/t/larkbox-pro-always-on-fan/32678>\
**Category:** LarkBox\
**Created:** [May 8, 2022, 9:58am UTC](https://forum.chuwi.com/t/larkbox-pro-always-on-fan/32678 "2022-05-08T09:58:10Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![mmspock](https://avatars.discourse-cdn.com/v4/letter/m/2acd7d/32.png) [@mmspock](https://forum.chuwi.com/u/mmspock)\
**Post date:** [May 8, 2022, 9:58am UTC](https://forum.chuwi.com/t/larkbox-pro-always-on-fan/32678/1 "2022-05-08T09:58:10Z")

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Hi,

I just got my LarkBox Pro. It works fine except that FAN is always on. CPU temps are below 40C but FAN is probably working at full speed. My understanding was that CPU FAN should be enabled around 55C. My bios version is 5.13. I have not performed any changes to bios. Any suggestions how this could be fixed?

Kind Regards

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**Author:** ![ChuwiService](https://avatars.discourse-cdn.com/v4/letter/c/c68b51/32.png) [@ChuwiService](https://forum.chuwi.com/u/ChuwiService)\
**Post date:** [May 9, 2022, 8:20am UTC](https://forum.chuwi.com/t/larkbox-pro-always-on-fan/32678/2 "2022-05-09T08:20:49Z")

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Hello, the fan of larkbox pro is turned on all the way.

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**Author:** ![mmspock](https://avatars.discourse-cdn.com/v4/letter/m/2acd7d/32.png) [@mmspock](https://forum.chuwi.com/u/mmspock)\
**Post date:** [May 9, 2022, 4:21pm UTC](https://forum.chuwi.com/t/larkbox-pro-always-on-fan/32678/3 "2022-05-09T16:21:46Z")

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Thanks for the clarification.

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**Author:** ![CST](https://avatars.discourse-cdn.com/v4/letter/c/f9ae1b/32.png) [@CST](https://forum.chuwi.com/u/CST)\
**Post date:** [June 18, 2022, 9:29am UTC](https://forum.chuwi.com/t/larkbox-pro-always-on-fan/32678/4 "2022-06-18T09:29:55Z")

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Activate “Smart Fan” in the BIOS. And choose a temperature (e.g. 55°C, I’m from Europe 😉 ). It works! The basic (idle) temp will rise to 45°, but that’s ok. Most of the time the CPU should stay under 55°C (Browsing, Mail, Google Docs, YT, etc.)

And installing “Core Temp” is mandatory, IMHO.

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**Author:** ![kroby](https://avatars.discourse-cdn.com/v4/letter/k/bbce88/32.png) [@kroby](https://forum.chuwi.com/u/kroby)\
**Post date:** [August 25, 2022, 8:45am UTC](https://forum.chuwi.com/t/larkbox-pro-always-on-fan/32678/5 "2022-08-25T08:45:59Z")

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Where do i find the “Smart Fan” Setting in the Bios?