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    Why does the fan on my HD 5650 always stay at 30%?

    Discussion in 'Gaming (Software and Graphics Cards)' started by pigloot, Dec 4, 2010.

  1. pigloot

    pigloot Notebook Enthusiast

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    So it seems the fan on my 5650 gpu never changes from 30%, which is a concern lately as my GPU has reached temperatures above 80 degrees :/ Is it just because there is no sensor for the fan so whilst it might be at a different % it still says 30?
     
  2. downloads

    downloads No, Dee Dee, no! Super Moderator

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    It always says it's on 30% on all HD5650s but that's not true.
     
  3. Ruckus

    Ruckus Notebook Deity

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    It is likely that the fan is controlled by the bios, not the vbios. So it won't show up on any monitoring tool, AMD or third party.
     
  4. daranik

    daranik Notebook Deity

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    If download's theory isn't correct, the other thing that could be happening in there is 1. dust build up, time to get compressed are and blow that stuff out or 2. Heat Sync Material has degraded and its time for a re-application, this doesn't generally happen for a long time, both cases . Dust happens by end of year one and is just proper maintenence to blow dust out, but heat sync material generally doesn't happen for I dont know 3-5 years depending on use.
     
  5. laxus

    laxus Notebook Enthusiast

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    Like what downloads said, it will always show a 30% reading. You should instead check on the fan rpm.
     
  6. pigloot

    pigloot Notebook Enthusiast

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    Thanks you guys!

    daranik my laptop is less than 2 months old so it shouldn't be either of those :p
     
  7. seeker_moc

    seeker_moc Notebook Virtuoso

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    This. The 5650 is a midrange card, so nearly all laptops using it have a shared heatsink/fan between both the GPU and CPU, which is controlled by the system BIOS, so GPU monitoring tools won't read it correctly. My 5730 is the same way.
     
  8. City Pig

    City Pig Notebook Virtuoso

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    Download's "theory" is fact (along with what Ruckus and seeker_moc said). I see the same thing on mine.