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Solved: Cpu Fan Failed!

Discussion in 'Hardware' started by lee85boro, Feb 6, 2007.

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Did You fine this helpfull?

Poll closed Apr 9, 2007.
  1. yes

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  2. no

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  1. lee85boro

    lee85boro Thread Starter

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    my sister has a Compaq presairo
    celeron d 330
    80g hdd
    512 ddr
    -------------------------------
    "all of a sudden" she was getting this error msg saying
    "CPU fan failed, pc will automatically power down in a few seconds, service pc immediately to prevent CPU damage."
    i have done a lot of building and ect for friends and family so i guessed straight away that it could be 1 of 2 things, faulty fan "duh" or faulty mobo so i changed the fan and still same msg, i have tried 2 different fans and just to be on the safe side a similar power supply out of my own machine.
    i was wondering if i could wing this some how by powering the cpu fan a different way and overriding it in the bios.

    thanks, lee
     
  2. lee85boro

    lee85boro Thread Starter

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    if u need more computer specs please let me know
     
  3. telegramsam

    telegramsam

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    Are the fans actually working when you get that message?
     
  4. lee85boro

    lee85boro Thread Starter

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    no the CPU fan dont work at all - like i said i think this is something that just has to be winged, but how hmm:confused:
     
  5. telegramsam

    telegramsam

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    See if there's a jack labled sysfan on the board.
     
  6. lee85boro

    lee85boro Thread Starter

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    just CPU_FAN1 and REAR_FAN1 - no other fan jacks
     
  7. bigbear

    bigbear

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    The system is not going to be very stable without the heatsink working correctly.
    Try blowing the dust of with a can of air duster, if that does not work I would replace the heatsink.
    Not sure why you want to "wing" it though?
     
  8. lee85boro

    lee85boro Thread Starter

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    did you read my first post on this topic or did you just "wing" it and read the title heh
    no fan works on the 3 pin connection which suggests mobo problems which she cant afford so im trying to do the next best thing.
     
  9. telegramsam

    telegramsam

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    well, the rear fan is a steady speed fan, no throttling. Don't know if it's RPM voltage is sufficient for that processor. There may already be a fan connected there, and if it's there in a branded system, it needs to be there. I've run OLD machines with the CPU fan plugged into different jacks, but....

    Did I understand correctly that a known good fan didn't work plugged into the same jack? If so, you've got yourself a bad motherboard. Winging it, as bigbear said, is not advisable.
     
  10. bigbear

    bigbear

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    Yea sorry getting late over here maybe its time for bed:D
     
  11. lee85boro

    lee85boro Thread Starter

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    lol i was tired on the night myself... i know winging it is not advisable due to overheating problems and doing further damage to components but i'm willing to take that risk :cool: if anything should go wrong i promise i wont hold it against you.
    so theoretically speaking... (cough) does the rear fan have enough RPM to keep the processor at a stable if not urm wingable temperature lol?
     
  12. telegramsam

    telegramsam

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    Probably. Hook it up and see if your BIOS has hardware monitoring. See what the temps are. Intel's will shut down if they get too hot. (Well, I guess you already know that!)

    The question is: will the system run with the fan NOT connected to the CPU fan jack? Don't know the answer to that. Hook it up and give it a try.
     
  13. lee85boro

    lee85boro Thread Starter

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    sounds like the plan is coming together, be back in 10
     
  14. lee85boro

    lee85boro Thread Starter

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    CPU Fan Speed 0 RPM (duh)
    System Fan Speed 2109 RPM (Which the CPU fan is connected

    CPU Temp 43*C/109*F
    System Temp 23*C/75*F
    ---------------------------------------------------------
    anyone know if this is stable?
    haven't tried to disable the fan warning yet
     
  15. lee85boro

    lee85boro Thread Starter

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    I dont think i can bypass this in the bios the system will not run with the CPU fan using the rear fan 3 pin connector.
    i wonder if i could bypass this using jumpers on the mobo some how :S i think this is starting to get a little bit sticky, looks like its time for a new mobo. still not all hope is lost. more help needed, still dont know if the speed and temperature is stable???
     
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