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VivoBook Pro 17 N705FD GPU Fan NOT WORKING

tin_bedenko
Star I

‎01-08-2021 04:43 AM - last edited on ‎01-16-2024 02:08 AM by Community Manager

System: Win 10
Battery or AC: Both
Model: N705FD
Frequency of occurrence: Almost every time
Reset OS: Five times in last two years
Screenshot or video:
========================
Detailed description：
For some reason GPU fan is not working every time. To be fair - it works two out of ten times. If I restart my pc - it will not work after that. The only way to get it back is to power it off and wait couple of hours...
The problem is THE SAME AS WITH TUF!!! Same as here:
https://zentalk.asus.com/en/discussion/38789/tuf-gaming-fx505gt-laptop-not-performing-well/p8
Asus replaced my fan, I've tried disabling every little thing software wise - the problem still persists. I've disabled every Asus Service - the problem still persists. I've disabled fast startup in windows - the problem still persists...
It is like that since the beginning. My warranty is running out in two weeks and the problem is still not solved. What to do?!
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7 REPLIES 7

RAJU_MSC_MATHEM
Zen Master I

‎01-09-2021 10:23 PM

tin.bedenko
  1. System: Win 10
  2. Battery or AC: Both
  3. Model: N705FD
  4. Frequency of occurrence: Almost every time
  5. Reset OS: Five times in last two years
  6. Screenshot or video:

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

Detailed description：

For some reason GPU fan is not working every time. To be fair - it works two out of ten times. If I restart my pc - it will not work after that. The only way to get it back is to power it off and wait couple of hours...

The problem is THE SAME AS WITH TUF!!! Same as here:

https://zentalk.asus.com/en/discussion/38789/tuf-gaming-fx505gt-laptop-not-performing-well/p8

Asus replaced my fan, I've tried disabling every little thing software wise - the problem still persists. I've disabled every Asus Service - the problem still persists. I've disabled fast startup in windows - the problem still persists...

It is like that since the beginning. My warranty is running out in two weeks and the problem is still not solved. What to do?!


VivoBook Pro 17 N705FD GPU Fan NOT WORKING
take your laptop to nearest Asus service center, ask technician to check fan.
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tin_bedenko
Star I

‎01-11-2021 05:17 AM

The fan was already replaced by the Asus service center. The problem is not with the hardware itself, but with some of the Asus software or BIOS.
If I install fresh OS on it - it will work a few times, but as soon as I restart or go to sleep mode - it will fail after that.
I forgot to mention that the same problem can be replicated on other Asus VivoBook N705 machines with GTX 1050 cards. I am lucky enough that my colleague has the same machine and I am able to reproduce the same problem on his machine. He never noticed it because he never uses it for anything 3D or video intensive work. On the other hand, I use it a lot for video editing and that's how I noticed it...
I have a paper from Asus service that says that the fan is replaced and that everything else is fine with it (they tested motherboard and power supply).
Believe me when I say that there is some bios or software problem. I've installed fresh OS at least 5 times on this machine only to get the fan working.
THE PROBLEM IS THE SAME AS WITH TUF LAPTOPS!!!
They got their BIOS update because a lot of users complained. A lot of users noticed it because it is a laptop marketed to gaming audience. You see it straight away that the machine is putting out 10fps but should be getting 60+ fps that was getting yesterday...
On VivoBook there is the same problem but it went unnoticed since it is not a laptop marketed at gaming audience. Much harder to notice that the GPU fan is not working if people are buying mainly it to work in MS Offfice...
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tin_bedenko
Star I

‎01-11-2021 05:23 AM

I've partially fixed my problem by disabling sleep mode and fast startup. That way, my GPU fan will work if I cold boot the machine (meaning the first start on that day). If I restart - it definitely wont work anymore. Then it is either fresh OS install, if I need it in a hurry, or wait a couple of hours (probably for some register to clean/reset itself since I cannot remove the battery to make a "soft reset" by draining the power from it).
All in all - I'm 90% sure that there is some BIOS problem that went unnoticed till now.
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RAJU_MSC_MATHEM
Zen Master I

‎01-11-2021 05:40 AM

tin.bedenko

I've partially fixed my problem by disabling sleep mode and fast startup. That way, my GPU fan will work if I cold boot the machine (meaning the first start on that day). If I restart - it definitely wont work anymore. Then it is either fresh OS install, if I need it in a hurry, or wait a couple of hours (probably for some register to clean/reset itself since I cannot remove the battery to make a "soft reset" by draining the power from it).

All in all - I'm 90% sure that there is some BIOS problem that went unnoticed till now.


View post
you fixed the problem by yourself and learnt how to troubleshoot.
so close this discussion now
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