Adjust m15x GPU fan speed

Discussion in 'Alienware' started by Mortis, Aug 21, 2009.

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  1. Mortis

    Mortis Notebook Consultant

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    Is there any way to adjust the fan speed of the 8800gtx in the m15x ? I posted a thread earlier about the fan not going into high speed mode as the temp increased so now I want to try increasing the fan speed manually. Is there a software or utility to do this ?

    If the fan is spinning but not varying its speed is it likely that the fan isnt working or is there a problem with the mobo ? Im assuming the fan is plugged into the mobo which controls its speed ?
     
  2. The_Moo™

    The_Moo™ Here we go again.....

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    No ...........
     
  3. munchkin-man

    munchkin-man Notebook Consultant

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    Very few laptops have the option to control the fan speed. One I know that has a direct button is the np8662. That laptop is a cooling beast too.
     
  4. Mortis

    Mortis Notebook Consultant

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    What options do I have ? I called AW and they said that as long as everything was working fine and I wasnt downclocking, losing FPS or my GPU wasnt dying then they wouldnt replace it.
    This does make sense somewhat but it isnt "normal" or good for the laptop in the long run. The good thing is my warranty is valid till april next year. If it hasnt gotten fried/replaced/fixed by MArch Ill have to extend my warranty as it is pretty much guaranteed to break sooner or later. Anyone know how much it costs to upgrade from 2 to 3 yrs in the UK
    Also, any suggestions ? Is it the fan or the mobo ?
     
  5. on3eighteen

    on3eighteen Notebook Enthusiast

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    My CPU fan speed stays around 4K & never dips below that unless it's off. I don't even game & just surf so it's crazy to have to hear such a blast of air w/o any heavy lifting. I ordered a new CPU fan but my guess is that it's the BIOS (x32) telling the fan what to do. Any ideas?
     
  6. dwend

    dwend Notebook Evangelist

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    The fan will only step up when the GPU reaches around 88C.

    You could possibly hotwire the fan so it is on all the time, but I do not recommend this unless you are very good at electrical engineering.
     
  7. SiliconAddict

    SiliconAddict Notebook Consultant

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    I was planning on trying this http://www.almico.com/speedfan.php for the CPU...it _might_ work
    and this http://www.guru3d.com/index.php?page=rivatuner for the GPU.
    once I get my M15x next week. Whether or not either work is another matter. The chipset should be compatible and the BIOS are standard Phoenix so unless Dell did something drastically funky it should be possible to control the fan.
    My biggest beef is the fact that yes. The system is set to rev up the fans at a higher temp. The problem is that to get it back down to a cool temp after it reaches that threshold is going to take longer then if you know you are going to spike the GPU/CPU and rev up the fan to 6K early to manage that heat. I did this on my MBP all the time and it kept the CPU substantially cooler then relying on the firmware (EFI). Dell should have this as a feature in the command center as an advanced feature after clicking through a warning about you may fry your fan long term if you do this. All I know is that I did this for 3 years on my MBP with a much smaller and less capable fan. If that can hold up to such long term RPM's the one in the M15x should as well.
     
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