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    m15x/thermofan/gpu temp/fanspeed.

    Discussion in 'Alienware' started by GodHead, Mar 5, 2009.

  1. GodHead

    GodHead Notebook Enthusiast

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    So I finally got my m15x back, but I am having some heat issues.
    Temps go way high, and the GPU fan never kicks in above 2600 RPM.
    I am using the X36 bios because of serious sound cracking issues, but I thought this bios was supposed to stop overheating.

    When I use thermofan it gives me ridiculous results, saying that my VGA skin temp is much lower than I get with rRivatuner. I think Thermofan is just wacked, because it says my CPU temp is invariably 50 degrees, my system temp is 80 degrees (always 80, it never changes), my VGA skin temp is always 55-60, increasing very slowly and my VGA internal is always 0.

    Rivatuner would beg to disagree.

    Does anyone have any idea what the heck is going on?

    EDIT:
    I got the fan to kick in by leaving ATI tool on for a long time. Rivatuner said my temp was ~102 at the time, Thermofan said it was 84. So Thermofan is registering some change...

    I don't know which tool to trust. One of them is giving me a bad number and I don't know why... I would much prefer to think the fan kicked in at 84 degrees instead of 102...

    EDIT EDIT:
    GPU-Z agrees with Rivatuner, not Thermofan... WTH?
     

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  2. Gophn

    Gophn NBR Resident Assistant

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    Yup, RivaTuner is quite good for temp monitoring.

    you can also use GPU-Z, Nvidia system tools, Everest, and HWmonitor to confirm temps as well.

    the nice thing about RivaTuner is if it does read a different temp (which is rare), you can offset the temp to the correct one.
     
  3. Oceanus

    Oceanus Ambassador

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    The 80C you see is a bug correlated with the X36 BIOS. The bug causes the sensors to report your ACPI temperatures to be 80C when it's really not.

    Download and install the thermofan update from here. Although it doesn't resolve the issue with other temperature reporting programs, you can at least see your actual temperatures using Thermofan after the update. Either that or flash your BIOS to X32 to resolve the issue entirely.

    The temperature that Rivatuner is reporting is your GPU temperature, not your CPU temperature. That's why you're seeing 91C on Rivatuner and substantially lower temperatures in Thermofan.

    Hope that helps.
     
  4. GodHead

    GodHead Notebook Enthusiast

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    I have installed that thermofan update multiple times, but it stays 1.0.0.2.

    I realize that rivatuner is reporting my GPU temperature, which should correspond to the VGA temperature in thermofan.

    I realize that rivatuner is a good program, but why the hell isn't my fan kicking in until my GPU temp is 102?

    That's ridiculous.
     
  5. Gophn

    Gophn NBR Resident Assistant

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    you can edit the VBIOS with Nibitor to make the fans spin up earlier.... but do at your own risk.
     
  6. Oceanus

    Oceanus Ambassador

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    You might want to check if your stealth mode is enabled. Your fans stay dimmed when it's on and that might explain why your fans are not kicking in when they should.
     
  7. GodHead

    GodHead Notebook Enthusiast

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    No. Definitely not in Stealth Mode. You can see on the Rivatuner graph that my memory speeds are correct for non-stealth mode. Also the indicator is dim in those tests. Also, I believe that the default spin speed for the GPU fan in Stealth Mode is 0 RPM, 2600 is for non-Stealth Mode.

    The fan seems to be controlled by the VGA Skin Temp reading from Thermofan, as it kicks to 6000 RPM when that reading reaches 84 degrees.

    Unfortunately by then, Rivatuner says that my GPU core has reached 102-110 degrees. Once the fans kick in, the temp drops to less than 85 degrees. If I could get the GPU fan to run like that ahead of time, it would stay safe. As it is, I am very concerned.
     
  8. Gophn

    Gophn NBR Resident Assistant

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    Seriously, I use Nibitor to undervolt and control the temps for the fans to kick in.

    Its pretty simple, just make sure you make a backup of your original VBIOS.

    lots of good Nibitor and Nvflash guides out there.
     
  9. GodHead

    GodHead Notebook Enthusiast

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    Could you point me to one such guide?
     
  10. pencilcheck

    pencilcheck Notebook Consultant

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    Maybe you should reinstall BIOS x36 or downgrade to x32 to see if that solve your problem. Sometimes the overheating is just a sign of misconfigured drivers. Reinstall them all usually will solve the problem.
     
  11. Mortis

    Mortis Notebook Consultant

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    I sem to be suffering from the exact same issue as this guy. My GPU fans refuse to kick in and remain at 2600 rpm while Thermofan reports a lower incorrect temperature. Rivatuner shows the GPU hitting 104 degrees while Thermofan says its 80 or something. I havent allowed the GPU temps to rise further to see if the fans kick in at 85 degres (as detected by Thermofan) So far Ive tried different drivers, X32 and x36 BIOSes and nothing has helped. It also seems that Powermizer isnt working because the GPU stays at max clocks even when idle and after booting up. This issue has started after I sent my m15x in to fix the hinge and they updated my BIOS from x32 to X36. Everything was fine before that.
    Is there any way to clear all traces of the X36 ? Any software/drivers to uninstall and reinstall ?
    Please help, Im desperate !
     
  12. Andy1017

    Andy1017 Notebook Enthusiast

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    Godhead, you should attempt to reapply thermal paste onto your gpu. You might be having the same problems as I am having with cooling the 8800m gpu. http://forum.notebookreview.com/showthread.php?t=413997 this is my thread, I stated in there that I applied AS5 with the spread technique. And that has caused the heatsink and gpu chipset to NOT thermally BOND. Meaning when I take off the heatsink after a benchmark, there is near ZERO thermal paste attached to the heatsink. This would explain my GPU maxing at 108c and idling at 90-100c. Like your gpu? Hope this helps.
     
  13. Mortis

    Mortis Notebook Consultant

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    Lol this thread is quite old, not sure whether the OPs problems were solved. I kind of resurrected this thread cos I found it while searching for my problem.
     
  14. Mortis

    Mortis Notebook Consultant

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    Any idea how I can clear traces of the x36 BIOS or if there are any registry entries to edit or delete ? How do I completely uninstall and reinstall thermofan ?
    Are x32 and x36 motherboard BIOS versions or GPU BIOS ?
     
  15. cha

    cha Notebook Deity

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    X32 and x36 are motherboard BIOS's. You don't really have to edit/delete any registry entries to downgrade.

    Try downgrading to x32, I have been using x32 for a long while now and have not experienced any of the afore mentioned problems.
     
  16. Mortis

    Mortis Notebook Consultant

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    I have already downgraded to x32, its made no difference. I feel that there are still traces which are contnuing to affect ThermoFan. Thermo fan still gives an incorrect reading which rises and falls slower than the actual GPU temp (as noted by Rivatuner/GPU-Z). Now, the fans do kick in but only when Thermofan shows the temp as 80-82 degrees. The actual temperature at this time has been 104-105 degrees since for the last 10 minutes or so. Obviously, Thermofan is getting an incorrect temp reading from somewhere and whatever it is, it is controlling the fans and thinks that it is normal since it activates hi speed at 80 degrees.
    I think it is probably the remanents of the x36 BIOS that is causing this problem. I have tried upgrading/downgrading the BIOS between x32 and x36 afew times and it doesnt work with either version or fix itself with the upgrade/downgrade. Different drivers dont seem to work either and now Powermizer does not seem to be working since my clocks stay at max all the time
    What do I do ? AW wont do anything because it isnt causing any problems but I do not want this to continue as it isnt good for the comp at all
     
  17. Andy1017

    Andy1017 Notebook Enthusiast

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    Mortis have you checked your thermal paste? Mainly the heatsink. For me the problem is that the GPU is not fully thermally conductive with my heatsink. Meaning they are not thermally solidified with eachother. In other words when I take off the heatsink ther is no paste on the heatsink, all the past is on the GPU. That caused me 108C it sounds like the main cause of your heat issues as well.