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fan running full speed

Discussion in 'PC Hardware' started by Chacco, 2009/05/03.

  1. 2009/05/03
    Chacco

    Chacco Inactive Thread Starter

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    I have a dell dimension 3000. The cooling fan runs full speed. It has been working fine up until a few days ago. Could something been downloaded that could make it do this? I opened the side and cleaned it out. It wasn't that dirty. I installed speedfan, and the temp was 86 C. But it couldn't read the fan speed. Any ideas of what the problem could be? I am pretty sure it does not need to be running that fast. Thanks
     
    Chacco,
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  2. 2009/05/03
    PeteC

    PeteC SuperGeek Staff

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    Of the CPU? - that is on the hot side even for an Intel processor. Are you sure that is deg Centigrade and not deg Fahrenheit?
    Did you look carefully at the heat sink on the CPU - was there any dust between the cooling fins? If there is do not remove the heat sink under any circumstances - just clean carefully with toothpick or cocktail stick (non-metallic) through the fan blades and blow the dust out.

    As a check post the readings of the sensors shown by SIW - include the voltages too. A screenshot would be fine - if you are not a Contributing Member you will be unable to post as an attachment so use a photohosting site and post the URL here.

    Has the ambient temperature in the room increased recently?

    Look in Task Manager and see if any process is hogging the CPU - NB. System Idle Process is a representation of the unused CPU capacity.
     
    PeteC,
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  4. 2009/05/03
    Chacco

    Chacco Inactive Thread Starter

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    sorry is 34 F
     
    Chacco,
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  5. 2009/05/03
    Chacco

    Chacco Inactive Thread Starter

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    oops 34 C final answer
     
    Chacco,
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  6. 2009/05/03
    PeteC

    PeteC SuperGeek Staff

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    No problem there :)
     
    PeteC,
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  7. 2009/05/03
    mattman

    mattman Inactive Alumni

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    Only other suggestion I would have is to look for an update for the chipset drivers. If the ones at Dell are several years old, look at the chipset manufacturer's website (Intel?).
     
    mattman,
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  8. 2009/05/04
    Bill

    Bill SuperGeek WindowsBBS Team Member

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    34°C with conventional cooling is almost too low to believe. I like SIW but I note for a couple of my boards here, it does not accurately show temperatures. For example, on this Gigabyte board, SIW reports the CPU is 38°C while my other monitors say a more realistic 45°C.

    Your motherboard utilities disk should have a monitoring program (or check for a more recent version on your motherboard or PC maker's website). If none, I recommend CoreTemp for newer Intel and AMD64 CPUs. SpeedFan is a great and popular alternative, or you can try Motherboard Monitor. Unfortunately, I have found that these programs often have problems properly identifying and labeling the sensor they are reading. The temperatures shown are as accurate as the inexpensive, low-tech sensors will allow, but it may say System Fan instead of CPU Fan. Fortunately, the programs do allow you to edit the labels, so I use Everest to verify the temperatures (as it is able to put sensor to label correctly), then edit the label in the monitoring program. In Everest, look under Computer > Sensor, then wait a couple seconds for the readings to appear. Unfortunately, Everest does not minimize to the system tray to show real-time temperatures, otherwise, you could use Everest instead of the others.
     
    Bill,
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  9. 2009/05/04
    PeteC

    PeteC SuperGeek Staff

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    I beg to differ :)

    Currently the core temps of my AMD Athlon x64 4200+ are .....

    SIW - 27/35 C

    CoreTemp - 27/35 C

    Everest - 30 C - does not recognose dual core.

    OOB CPU cooling fan + 120 mm case fan.
     
    PeteC,
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  10. 2009/05/04
    Bill

    Bill SuperGeek WindowsBBS Team Member

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    And those are good temps, for sure - I am just suggesting to double check using another program because on "some" boards the results are not the same.

    But to your example, I don't think OOB HSFs and 120mm case fans are typically found with Dells. I would suspect your case is not a typical Dell case either.
     
    Bill,
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  11. 2009/05/04
    PeteC

    PeteC SuperGeek Staff

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    Understood :)

    To avoid any confusion - OOB refers to the std AMD heatsink assy - Out Of the Box!

    This PC is self assembled into an Antec Sonata - 3rd build in this case :)
     
    PeteC,
    #10
  12. 2009/05/04
    Bill

    Bill SuperGeek WindowsBBS Team Member

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    OOB - I should have known that, sorry - I was thinking ORB.

    One of my favorite cases - and the one that convinced me to never buy another case that does not come with a washable air filter!
     
    Bill,
    #11

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