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CPU fan stuck at 2500 RPM

Discussion in 'Hardware' started by jk561w, Mar 29, 2008.

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  1. jk561w

    jk561w Thread Starter

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    Hi guys, i tried asking for help in another fourm but didnt get much and i hope someone here have an answer to my problem:)

    First of all, here is my comp specs:
    P4 Prescott CPU 2.8Ghz
    Mobo: ASUS P4P800SE
    Ram: 2 x 512mb DDR400
    PSU: 500W Thermaltake
    Video Card: Diamond X1650 Pro AGP 512mb

    The series of problem started when i bought this new video card my cpu starts to overheat and then the cpu fan gets really loud. So i bought two AC 120mm fans to cool my case down, after i got the fans tho, the cpu idles at around 40 degrees and around 47 under full load so its pretty good. However when the temp gets over 45C the fan goes 4000rpm-5000rpm, its as loud as hell so i begin to find ways to slow the cpu fan down. So i went to BIOS and tried to find some fan controlling options and i found this Q-fan thingy, i set it to 13/16 ratio. It worked! my cpu fan runs at 2000-2500 rpm but now the problem begins, after doing a stress test with EVEREST, i found out the CPU Fan is STUCK at 2500 RPM even if the CPU temp went up to 58C degrees! i believe thats no good for my cpu
    Also, i tried to disable the Q-fan afterwards, but it doesnt help , the fan is stuck at 2500 rpm maximum and cant go over that

    Any help would be apperciated!!
     
  2. jackdw

    jackdw

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    What are you measuring the fan speed with?
     
  3. jk561w

    jk561w Thread Starter

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    Messages:
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    I measure the fan speed with both SpeedFan and Everest ultimate edition.
    I'll update a image for better explanation for this:
    [​IMG]
     
  4. jackdw

    jackdw

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    Jul 1, 2005
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    1,729
    I'll have a look to make sure but I think 50C is ok to have when the CPU has been on 100% for a while. I know a Q6600 (3.2Ghz quad core) is ok up to temps of 72C-75C

    I'll try and find out.
     
  5. jk561w

    jk561w Thread Starter

    Joined:
    Dec 2, 2007
    Messages:
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    thanks jackdw
    I updated by BIOS and the fan is still not working as before but its able to exceed that 2500rpm and going up to 3500rpm while my cpu was at 53* C. I think ill just stick to where its at right now, 3500rpm isnt so bad plus i think ill be fine if my cpu temp doesnt exceed 60* C on full load.
    Therefore my problem is solved, thanks for the replies :D
     
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