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Where is the heat sensor on my Zenbook Pro UX501VW?

yamaisner
Star I
System: Windows 10 home 64
Battery or AC: Both
Model: Zenbook Pro UX501NW
Frequency of occurrence: All the time
Reset OS: Yes
Screenshot or video:
========================
Detailed description:
Hi everyone, I will really appreciate some advice regarding my ZenBook pro UX501VW laptop. It seems that the laptop fans lost the ability to regulate their velocity. Every time I turn on the laptop, after a couple of minutes the fans start working at full speed and they don’t stop unless I close all applications and the screen turns off. The CPU and GPU at normal temperatures (Between 30c to 50c most of the time).. My suspicion is that this problem is because of a malfunctioning heat sensor that controls the fans. I thought of replacing the fans but before I do that, I wanted to ask if anyone can tell me if there is a heat sensor that controls the fans in the fans? Or is it in the motherboard and therefore replacing the fans wont help, unless I replace the motherboard. These are the things I tried so far to see if I could fix this issue: Physically cleaning the laptop fans and changing thermal paste. Updating and resetting BIOS, deleting partitions and performing a clean windows installation, updating windows, reinstalling drivers, virus/malware scans and the laptop is on a well ventilated station.

I would really appreciate any information on the topic.

Thank you

9 REPLIES 9

Falcon_ASUS
Moderator
Moderator
yamaisner
  1. System: Windows 10 home 64
  2. Battery or AC: Both
  3. Model: Zenbook Pro UX501NW
  4. Frequency of occurrence: All the time
  5. Reset OS: Yes
  6. Screenshot or video:

========================

Detailed description:

Hi everyone, I will really appreciate some advice regarding my ZenBook pro UX501VW laptop. It seems that the laptop fans lost the ability to regulate their velocity. Every time I turn on the laptop, after a couple of minutes the fans start working at full speed and they don’t stop unless I close all applications and the screen turns off. The CPU and GPU at normal temperatures (Between 30c to 50c most of the time).. My suspicion is that this problem is because of a malfunctioning heat sensor that controls the fans. I thought of replacing the fans but before I do that, I wanted to ask if anyone can tell me if there is a heat sensor that controls the fans in the fans? Or is it in the motherboard and therefore replacing the fans wont help, unless I replace the motherboard. These are the things I tried so far to see if I could fix this issue: Physically cleaning the laptop fans and changing thermal paste. Updating and resetting BIOS, deleting partitions and performing a clean windows installation, updating windows, reinstalling drivers, virus/malware scans and the laptop is on a well ventilated station.

I would really appreciate any information on the topic.

Thank you


Where is the heat sensor on my Zenbook Pro UX501VW?
@yamaisner
From what I understand, the sensor is on the motherboard, usually near the CPU or GPU.
In your situation, I would recommend you to confirm that the BIOS is updated to the latest, and load default of the BIOS again.
Or please refer to the following FAQ for troubleshooting.
[Notebook] Troubleshooting - Overheating (Fan) issue of ASUS laptop | Official Support | ASUS GlobalSorry for any inconvenience it may be caused. 

yamaisner
Star I
Thank you for your reply @Falcon_ASUS , unfortunately I tried all of these suggestions with no success.
I was wondering if you might now how to reinstall BIOS? Is it possible that the BIOS got corrupted perhaps and will reinstalling it might help? Or maybe a windows update might be causing the ZenBook Pro UX501VW fans run at full speed constantly even when CPU / GPU are at minimum temperatures?

Falcon_ASUS
Moderator
Moderator
yamaisner

Thank you for your reply @Falcon_ASUS , unfortunately I tried all of these suggestions with no success.

I was wondering if you might now how to reinstall BIOS? Is it possible that the BIOS got corrupted perhaps and will reinstalling it might help? Or maybe a windows update might be causing the ZenBook Pro UX501VW fans run at full speed constantly even when CPU / GPU are at minimum temperatures?


View post
@yamaisner
With your current situation, it should be caused by the aging of the fan. So I don't think reinstalling the BIOS will help. Sorry for any inconvenience it may be caused. 

yamaisner
Star I
Thank you @Falcon_ASUS , do you think that changing the fans might help?