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  1. #51
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    Hello everyone! I have a Scar II (GL504GM) and I've been having problems with the GPU fan (right) for months.

    I've tried several things recommended in this thread, but none seems to work.
    The behavior of the fan is very unpredictable. Sometimes as soon as I turn on the laptop it keeps spinning at max until I turn it off. Sometimes it spins at max for 5-10 minutes and then it stops until I turn it off. Sometimes it spins at max for 5-10 minutes, it stops, but then the issue comes back after a few hours of use and it can either spin at max, or constantly ''silent-loud'' in like 5s intervals. I've tried unplugging the power cord overnight and the next day the behaviour is also unpredictable: one of the scenarios above.
    For like a month and a half, It only spun for 5-10 minutes after turning it on until I turned it off, but the problem came back without having changed a thing in terms of software or hardware. These ''cycles'' can last for weeks/months.

    It's really bothersome because I rarely play video games on this machine. The warranty has expired, but roughly 5 months after I bought it I had to send it back for repair because of the CPU fan. That has been fixed, and the folks at the repair center replaced the motherboard, if I'm not mistaken.

    When it comes to software I've tried several things. I've formatted the PC countless times, I'm using Win10 (everything is up-to-date), ROG Gaming Center (2.7.1), latest BIOS (312), latest Graphic Drivers, installed MyASUS to get some Asus programs, but then uninstalled it right away thanks to what I read in one of the post above and nothing. Nothing seems to stop this fan from spinning out of control. Tried installing GPU Tweak III, and even though I must confess it's a bit out of my reach, it also doesn't seem to have any effect on the fan. I've also tried installing and uninstalling ASUS GPU Check and nothing. I'm basically on this carousel of installing and uninstalling stuff to no avail.

    When it comes to hardware, I'm not tech savvy enough to replace fans, pins, connectors etc. , but I opened the case and cleaned everything up, so dust definitely doesn't play a role here.

    Based on what I read here I feel like there isn't a consensus as to whether this is a software or a hardware issue.

    I'm looking forward to your input, and since lots of people are experiencing similar things with this model, I hope we can solve this together!
    Thanks for reading.
    Last edited by cronutmayo; 04-30-2021 at 09:04 PM.

  2. #52
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    @cronutmayo
    Sorry to hear that mate.
    Unfortunately i have the exact same issues that you explained here.
    I just contact ASUS support (3-4 days ago) and they are not aware of any problems with fans and myASUS software , so i guess you have to live with it.

    There is a couple of ASUS stuff that can mess with fans, so you can try a really fresh windows 10 install without any ASUS software.
    BIOS also plays an important role in fan speeds, you can try to downgrade it.
    Last edited by Razoro; 05-01-2021 at 02:09 AM.

  3. #53
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    Quote Originally Posted by Razoro View Post
    @cronutmayo
    Sorry to hear that mate.
    Unfortunately i have the exact same issues that you explained here.
    I just contact ASUS support (3-4 days ago) and they are not aware of any problems with fans and myASUS software , so i guess you have to live with it.

    There is a couple of ASUS stuff that can mess with fans, so you can try a really fresh windows 10 install without any ASUS software.
    BIOS also plays an important role in fan speeds, you can try to downgrade it.
    I'm also sorry that you're going through this too. I'm gonna take your advice and not install any ASUS software, but I really, really doubt it'll fix it. I've tried that before and the issue came back. I suppose one of these days I'll have to drop the laptop at some repair shop and tell them to replace the fan, tighten the connectors and apply some thermal paste. I don't even know if that's the root of the issue, but oh well, at least I'll try everything to get rid of this annoying noise.

  4. #54
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    Good decision.

    There are some reports from people with Zephyrus G14 and with the pulsing fans ('silent-loud'' in intervals) that putting it on sleep mode and waking it helps making it stop but i haven't tried that workaround yet.
    Last edited by Razoro; 05-02-2021 at 03:19 AM.

  5. #55
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    Quote Originally Posted by Razoro View Post
    Good decision.

    There are some reports from people with Zephyrus G14 and with the pulsing fans ('silent-loud'' in intervals) that putting it on sleep mode and waking it helps making it stop but i haven't tried that workaround yet.
    Some feedback here about the pulsing fans.
    I was able to replicate the "Zephyrus G14" workaround putting back on sleep and wake immediately for at least three times.
    Every time fans went back to normal after coming from sleep but, eventually after some 2-3 minutes it started pulsing again.

    The third time it didn't went to normal immediately after sleep, it took 10-20 secs but like i said it started pulsing again after a while. For some reason it abruptly stopped pulsing and stay normal during use.

    Important to say that during the pulsing both cpu and gpu were at minimum load, temperatures were stable and only oscillated in decimals.

    This is a Windows 10 install with ASUS software, windows updates done and only couple of games for testing purposes.

    I believe Asus might rule out as a fan or thermal fault but i think this is a different issue.
    Since the fan controllers are proprietary i can't debug more but for more tech savvy people i suggest to 'play' with 'ASUS System Control Interface' driver (as far as i know has ACPI for fan control) and MyASUS (as someone said in previous posts it also has fan control but it is hidden for our model).

    This very likely needs some investigation from ASUS, so if someone can reach the correct department will be nice.

  6. #56
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    Quote Originally Posted by Razoro View Post
    Some feedback here about the pulsing fans.
    I was able to replicate the "Zephyrus G14" workaround putting back on sleep and wake immediately for at least three times.
    Every time fans went back to normal after coming from sleep but, eventually after some 2-3 minutes it started pulsing again.

    The third time it didn't went to normal immediately after sleep, it took 10-20 secs but like i said it started pulsing again after a while. For some reason it abruptly stopped pulsing and stay normal during use.

    Important to say that during the pulsing both cpu and gpu were at minimum load, temperatures were stable and only oscillated in decimals.

    This is a Windows 10 install with ASUS software, windows updates done and only couple of games for testing purposes.

    I believe Asus might rule out as a fan or thermal fault but i think this is a different issue.
    Since the fan controllers are proprietary i can't debug more but for more tech savvy people i suggest to 'play' with 'ASUS System Control Interface' driver (as far as i know has ACPI for fan control) and MyASUS (as someone said in previous posts it also has fan control but it is hidden for our model).

    This very likely needs some investigation from ASUS, so if someone can reach the correct department will be nice.
    That's great progress! Unfortunately that didn't work for me, but I'm glad people haven't given up on reaching out to ASUS so that they can finally admit that the models are defective.
    As for me, after sending the laptop in for repair under warranty due to the loud CPU fan a few years ago, I'm gonna send it in out of warranty hoping they can replace the GPU fan. It's just so bothersome, even if they're able to fix the problem it'll be almost 2 months without a laptop since I bought it. If I didn't have another one laying around and was dependent on this one for work I'd be completely screwed. It's ridiculous really.



    UPDATE: Well, after sending the laptop for repair, and after a long wait, I was told that there was nothing they could do since they could not order a motherboard for this model, which they identified as the problem causing the GPU fan to spin at max. I'm incredibly frustrated since I thought they would fix this once and for all, but their solution, apparently, was to replace the motherboard, which I find quite odd, since when the laptop was under warranty they did the exact same thing when the other fan (CPU) was spinning like crazy. I don't know if they couldn't get a motherboard because the laptop is more than 2 years old, or if they couldn't be arsed to do so. Either way, here I am, back to square one.
    At this point, I'm thinking of grabbing a screwdriver and just remove the damn fan...
    Last edited by cronutmayo; 06-11-2021 at 09:58 PM. Reason: Update

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