Mac won't boot! Just keeps running fans!!!

Discussion in 'Macintosh Computers' started by Apple!Freak, Nov 28, 2005.

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  1. Apple!Freak, Nov 28, 2005

    Apple!Freak macrumors 6502a

    Apple!Freak

    Joined:
    Jan 11, 2005
    Location:
    East Coast
    #1
    I have been messing around with my 20" iMac for about three hours now and it simply blows... literally. I restarted it three hours ago and ever since, I only can get to the white screen with the apple logo, and then after two minutes the fans start up on full power (like a 747 is getting ready for take-off) and it stays like that for at least five minutes to where my patience run out and I turn it off (for as much as 30 minutes) then try booting it again.

    Same thing! Any suggestions on what to do?

    WOWOWOW! Talk about a coincidence.... I think my iMac sitting on the desk behind me saw me writing this and decided to work. Now it's waiting for my password at login. So I guess it works now, but what was wrong and what do I do if it happens again????
     
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  2. mad jew, Nov 28, 2005

    mad jew Moderator emeritus

    mad jew

    Joined:
    Apr 3, 2004
    Location:
    Adelaide, Australia
    #2
    Bad RAM? Take out any third party chips where applicable.

    If you start from the OSX disks, does it still give you grief? Is it making any other strange noises apart form the fans like beeping (bad RAM or PMU) or clicking (bad hard disk)?
     
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  3. generik, Nov 28, 2005

    generik macrumors 601

    generik

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    Minitrue
    #3
    I think it might be a hard drive issue.. just my guess tho
     
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  4. topgunn, Nov 28, 2005

    topgunn macrumors 65816

    topgunn

    Joined:
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    Houston
    #4
    Reset PRAM?
     
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  5. alexprice, Nov 28, 2005

    alexprice macrumors 6502a

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    #5
    I think maybe its the HD, if you power on the machine then immediately hold down the Apple key and the V key on the keyboard until you see a black screen with white text, see where it stops then post the last few lines on this thread, if it says something about disk i/o error then you have a faulty hard drive.
     
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