Solved Laptop Fans Kick In When The CPU Temp Reaches ~45 Degrees Celcius

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Emma Fitzgerald

Emma Fitzgerald

PCHF Member
Jan 3, 2023
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Hello, everybody!

I am new to this forum and in general not very experienced in writing threads about my laptop's problems so if you need me to provide additional information, please, contact me.

My Specs:
Processor Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz 2.00 GHz
Installed RAM 16.0 GB
If you need more info, please tell me! I will try to find it!

I'm using Windows 10.

So I have a Xiaomi Mi Notebook Pro 15.6 and my fans are very very loud even if I'm just browsing the Internet with very little CPU usage. I read a Reddit thread about the problem and installed the NBFC (NoteBook FanContol) app which allows you to control your fan speed manually. With this app, I was able to control only one fan by editing register 160 or 0xA0. However, I am struggling to find the register number for another fan which as I understood from the thread is for cooling the GPU.

I tried to read the datasheet of the motherboard, which I assume is used in my laptop (the name was mentioned in the Reddit thread - SMSC 37N972) but without any experience, I wasn't able to put the things together.

Can you please help me with my problem and find the register for the second fan? Any advice would be great. Once again, if you think I should specify some details about my laptops, please tell me!

Thank you!
 
These two logs will help others assist you.

Speccy Scan.
  • Please go here and download Speccy.
  • Install and run the program.
  • Upon Completion:
  • Hit File
  • Publish Snap Shot
  • A link will appear, post that link.

Get System Info Log.


Include in your next reply a Get System Info log.
Save it to your desktop when complete.
Once you have the file on your desktop, then upload it here, and Here.
Copy the URL after your report is loaded.
Then send us the link.
 
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Are you sure there is no private information in all the files in the archive I get after running Get System Info Program? Why cannot I upload the archive right here?

UPD: Why do I need to upload the archive to 2 different places?
Malnutrition said:
These two logs will help others assist you.

Speccy Scan.
  • Please go here and download Speccy.
  • Install and run the program.
  • Upon Completion:
  • Hit File
  • Publish Snap Shot
  • A link will appear, post that link.

Get System Info Log.


Include in your next reply a Get System Info log.
Save it to your desktop when complete.
Once you have the file on your desktop, then upload it here, and Here.
Copy the URL after your report is loaded.
Then send us the link.
Click to expand...
 
There is no private information that can be used to identify you.
As far as not uploading here, that is not the way the program works, you upload it to the kaspersky site and send the link, that site disects the information into readable bits for us to digest.
 
Going off of the speccy log, it seems that your laptop is running at 60 percent memory, that seems quite a bit high and probably why the fans are kicking on and running so hard.

Would you be willing to try and trim the startup load and reduce the amount of items running to see if that will cure the issue, or you just want to know about controlling the fans?
 
Thank you, right now I have a lot of apps open so 60% of the memory is used but fan noise usually doesn't depend on it. Even if I have just a couple of running apps, as soon as the temperature starts rising a little bit, the fans kick in.

I really wish you could help me solve my problem with fan control.

Here are the links you needed:

GetSystemInfo (GSI) Parser: PC Compatibility Checker

Kaspersky GetSystemInfo (GSI) Parser allows you to check and fix PC compatibility issues between Kaspersky products and other software. Troubleshoot with Kaspersky GSI Parser!
www.getsysteminfo.com www.getsysteminfo.com
 
Emma Fitzgerald said:
I really wish you could help me solve my problem with fan control.
Click to expand...

I tagged you some help, hardware is not really my thing, I did provide a link to some fan control software. Hopefully when these people I tagged come online, they will have something to add to this thread.


github.com

GitHub - cybsuai/Mi-Notebook-Pro-tweaks: Many tweaks for Mi Notebook Pro: custom coolers curve, undervolting, custom TDP, SpeedShift, and etc

Many tweaks for Mi Notebook Pro: custom coolers curve, undervolting, custom TDP, SpeedShift, and etc - GitHub - cybsuai/Mi-Notebook-Pro-tweaks: Many tweaks for Mi Notebook Pro: custom coolers curv...
github.com github.com

:)
 
Unfortunately, the apps on the site you mentioned don't display any information about controlling the fans. I think it is because my motherboard doesn't support any interface for them. Seems like the problem can only be solved some hard way. But I'm sure there is one.
 
www.pcworld.com

How to update your PC’s BIOS

Updating your BIOS can cut boot times, fix compatibility issues, and improve overall performance--or brick your system if you do it wrong. But with recent attacks on UEFI, an out-of-date BIOS can leave your PC vulnerable.
www.pcworld.com www.pcworld.com
 
Malnutrition said:
I tagged you some help, hardware is not really my thing, I did provide a link to some fan control software. Hopefully when these people I tagged come online, they will have something to add to this thread.


github.com

GitHub - cybsuai/Mi-Notebook-Pro-tweaks: Many tweaks for Mi Notebook Pro: custom coolers curve, undervolting, custom TDP, SpeedShift, and etc

Many tweaks for Mi Notebook Pro: custom coolers curve, undervolting, custom TDP, SpeedShift, and etc - GitHub - cybsuai/Mi-Notebook-Pro-tweaks: Many tweaks for Mi Notebook Pro: custom coolers curv...
github.com github.com

:)
Click to expand...
Hello again!

I think, I have solved my problem! After analysing the git repo that you found, Malnutrition, I was able to find a similar one. There is an .exe file, which updates your BIOS to XMAKB5R0P0E07. Seems like my fans do not go crazy no more))

Thank you very much!
 
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Glad to have helped out. Just so you know, the file I linked to is the same bios update. 😁
 
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