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Loud fan

Discussion in 'PC Hardware' started by Stokecity, 2009/12/12.

  1. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    My fan is really loud at times and i dont know whats causing the problem?
     
    Stokecity,
    #1
  2. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    Most fan speeds are controlled by the temperature of the device they are cooling - open the case (desktop) and blow out all the dust - clean out between the fins of the heatsink with a coctail stick - do not remove the heatsink under any circumstances.

    Download SIW and check out your temps - Hardware > Sensors.

    OTOH the fan bearings may be dry/failing.
     
    PeteC,
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  4. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    What should the temparatures be?
     
    Stokecity,
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  5. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    Post the temps & we will comment :)
     
    PeteC,
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  6. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    Temperatures
    SYSTIN 42 °C (107 °F) 42 °C (107 °F) 42 °C (107 °F)
    CPUTIN 71 °C (158 °F) 69 °C (155 °F) 71 °C (158 °F)
    AUXTIN 62 °C (143 °F) 61 °C (141 °F) 62 °C (143 °F)
    Fans
    SYSFANIN 2327 RPM 2311 RPM 2327 RPM
    CPUFANIN0 3970 RPM 3970 RPM 3970 RPM
    SAMSUNG SP2504C
    Temperatures
    HDD 31 °C (87 °F) 31 °C (87 °F) 31 °C (87 °F)
     
    Stokecity,
    #5
  7. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    IMO your CPU temp is excessive and the CPU fan is running flat out - I would expect to see the CPU temp nearer to 40/45 deg.

    We encourage all members to complete their System Specifications which help us to help you :) - I've no idea what CPU you have.
     
    PeteC,
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  8. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    Stokecity,
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  9. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    The instructions could not be clearer - the second column is headed Location in SIW
     
    PeteC,
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  10. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    Done, now what?
     
    Stokecity,
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  11. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    Finish the job off :)
     
    PeteC,
    #10
  12. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    Done that
     
    Stokecity,
    #11
  13. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    Thanks :)

    Now check for dust build up in the case as I posted earlier.
     
    PeteC,
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  14. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    I took the case of and cleaned the inside of the pc as best i could. i blew into teh fan to get rid of dust. The sound is hardly there anymore , sometimes i get the odd loudness but it is almost silent. I think it could do with a proper clean using compressed air, any ideas where i can buy it from? also these are the new temperatures. Sensor Value Min Max
    YOUR-85C3B0CF55
    Winbond W83627EHF
    Voltages
    CPU VCORE 1.33 V 1.22 V 1.41 V
    VIN0 1.81 V 1.78 V 1.82 V
    AVCC 3.38 V 3.30 V 3.38 V
    +3.3V 3.34 V 3.30 V 3.36 V
    VIN2 1.59 V 1.58 V 1.61 V
    Temperatures
    SYSTIN 39 °C (102 °F) 34 °C (93 °F) 39 °C (102 °F)
    CPUTIN 66 °C (150 °F) 58 °C (136 °F) 69 °C (155 °F)
    AUXTIN 63 °C (145 °F) 56 °C (132 °F) 63 °C (145 °F)
    Fans
    SYSFANIN 2376 RPM 2360 RPM 2376 RPM
    CPUFANIN0 2376 RPM 1377 RPM 4066 RPM
    SAMSUNG SP2504C
    Temperatures
    HDD 28 °C (82 °F) 26 °C (78 °F) 28 °C (82 °F)
     
    Stokecity,
    #13
  15. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    The CPU temp is only marginally lower - check out the heatsink as I suggested.

    Canned air - probably B&Q or similar or Jessops if there is one in Stoke.
     
    PeteC,
    #14
  16. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    Ive also noticed when teh loud nosie comes back the CPU FAN rpm increases
     
    Stokecity,
    #15
  17. 2009/12/12
    Stokecity

    Stokecity Inactive Thread Starter

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    What is the heat sink? and what do i need to do to it
     
    Last edited: 2009/12/12
    Stokecity,
    #16
  18. 2009/12/12
    PeteC

    PeteC SuperGeek Staff

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    As the CPU temperature increases the fan will run faster - noisy is subjective, but it may be that the fan bearings are wearing out.

    In the central area of the motherboard you will see a fan - this sits on top of the CPU heat sink which in turn sits on top of the CPU. The heat sink is a finned block of aluminium to dissipate heat from the CPU. It is cooled by the fan blowing cool air onto it.

    With the passage of time the gaps between the fins may become clogged with dust - this reduces the cooling effect of the heat sink and the fan runs faster to compensate.

    Use a coctail stick or similar non metallic article to go between the fan blades and tease out any dust present between the fins - blow out with canned air.

    As I posted earlier do not attempt to remove the heat sink - if the fan is held in place with 4 scre_ws, one at each corner it is possible to remove the fan to make the cleaning easier. Don't do this if there is no real evidence of dust between the fins.
     
    PeteC,
    #17
  19. 2009/12/12
    retiredlearner

    retiredlearner SuperGeek WindowsBBS Team Member

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    Hi Stokecity, be very careful when you use compressed air to blow dust out of fans. You should wherever possible, avoid blowing on the fan blades as the speed of the blades freewheeling may well exceed the capabilities of the bearings which they run on.
    I always use a small plastic rod inserted in the blade to stop them turning, and then I can blow to my hearts content with out damaging the bearings. I do the same with the PSU fans.
    The plastic rod will not damage/short electrical connections, but you will of course have all power disconnected when carrying out this exercise!
    The bottom line is new fans. :eek: Neil.:D
     
    retiredlearner,
    #18

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