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  1. #1


    Member Since
    Jul 06, 2009
    Posts
    7
    Installed new HD in Powerbook G4--now fan wont stop!
    Any help here would be immensely appreciated. Went from 60 to 250 HD. No problems, meticulous install. I have tried resetting the PMU. Downloaded G4 fan control but I dont know how to use it.........

    Now, when I turn on the G4, the fan starts immediately and never turns off or slows down.

    I am running Leopard 10.5.7 with 125 RAM.

    Any ideas?
    PowerBook G4
    1.33 60Gig/now 250 Gig with fan

  2. #2

    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,883
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Perhaps you stirred up some dust inside. Have you tried cleaning the fan with some compressed air?
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  3. #3

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    21,871
    Specs:
    Imac 27" Retina 3.3GHz, 512GB Flash, 16GB memory, OS X.11.4.
    Any chance you went from a 5400RPM to a 7200 creating a little more heat and thus a little more work for the fans?

  4. #4


    Member Since
    Jul 06, 2009
    Posts
    7
    Hi,

    I just tore open the case again just to make sure I didnt miss something...I did not. I checked the drive I bought and it is a 5400. I also used compressed air and really cleaned it out although it was clean to begin with.

    I downloaded G4 fan control and it does not appear that it is overheating but I truly dont know what the normal temp should be....and the instructions were lacking.
    PowerBook G4
    1.33 60Gig/now 250 Gig with fan

  5. #5

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    21,871
    Specs:
    Imac 27" Retina 3.3GHz, 512GB Flash, 16GB memory, OS X.11.4.
    Have a look at this link. They specifically mentioned leaving a wire unconnected after replacing HDD and a utility called G4FanCOntrol:-

    Powerbook G4 Fan Always Running [Archive] - AppleInsider

  6. #6


    Member Since
    Jul 06, 2009
    Posts
    7
    Hi Harry,

    I have seen that thread.......the thing is, I was very careful to unplug everything and make sure I didnt touch anything I shouldnt. There were no wires to unplug by the hard drive--just the orange cable.

    I just downloaded a service repair manual, but I dont think it is going to help me.

    I ran the hardware diagnostics and got an error that says 2fan/4/7: rear main enclosure. This almost sounds like the fan is malfunctioning, but its odd that it would start that with the hard drive replacement.

    I am thinking about taking it apart again, (whew) and putting the old drive back in to see if the spinning fan stops. I am not looking forward to doing this again but its driving me insane!
    PowerBook G4
    1.33 60Gig/now 250 Gig with fan

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