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  1. #1


    Member Since
    Aug 29, 2010
    Posts
    2
    Imac G4 - 3 beeps on startup.... HELP
    I have no idea why this has happened, I have googled and found out what the beeps mean but what do I do? Do I have to replace the DIMM? I have opened up the dome and dusted and taken out and put back in the 356 RAM but it still beeps. Can anyone tell me why it has happened - yesterday it was fine.

  2. #2


    Member Since
    Aug 29, 2010
    Posts
    2
    iMac G4 - 3 beeps on startup.... HELP
    I have no idea why this has happened, I have googled and found out what the beeps mean but what do I do? Do I have to replace the DIMM? I have opened up the dome and dusted and taken out and put back in the 356 RAM but it still beeps. Can anyone tell me why it has happened - yesterday it was fine.

  3. #3

    louishen's Avatar
    Member Since
    Oct 22, 2007
    Location
    London
    Posts
    8,968
    Specs:
    Mac Mini Core i7 2012 | White 2009 MacBook 2 Ghz | 733 Mhz G4 Quicksilver
    Did you have any sort of power surge?

    If its only 356MB of ram that's gone bad I would buy a 512mb module. they are only $19 or less
    Member of the Month September 2008 & August 2012 | Found advice useful? – use the rep system

  4. #4

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,977
    Specs:
    iMac 2010 27" QuadI7 OSX10.11, iMac 2008 OSX10.11, MBP Late2011OSX10.11 , iPad Air, iPhone 3GS
    Merged Duplicate threads. Please post only one thread per question.

  5. #5

    hughvane's Avatar
    Member Since
    May 18, 2008
    Location
    Banks Peninsula, Canterbury
    Posts
    3,314
    Specs:
    MacMini 4.1, OS 10.11 and 10.6; Macbook Pro 8.2, OS 10.11, MacBook 4.1, OS 10.6.8
    Try replacing the PRAM battery too.

    Found this very useful info, dated 2003 (some may not apply to MacOS X):
    As explained by Sad Macs, Bombs, and Other Disasters (an invaluable resource) the number of beeps indicates a problem encountered by the Mac's Power On Self-Test (POST):
    • 1 beeps = No RAM installed/detected
    • 2 beeps = Incompatible RAM type installed
    • 3 beeps = No RAM banks passed memory testing
    • 4 beeps = No good boot images in the boot ROM
    • 5 beeps = Bad ROM boot block or processor is not usable.
    ABCDEFGHIJKLMNOPQRSTUVWXYZ
    Please post your Mac (or other) specs and MacOS version in your post, your profile or your signature. It helps us to help you better.

    I'm leaving now to go and find myself. If I should return before I get back, please ask me to wait.

  6. #6

    Mac SK's Avatar
    Member Since
    Oct 20, 2006
    Posts
    1,515
    I take it this is a snow ball mac? by the removed "Dome" There are 2 memory slots and depending on the model there may be a ram size limit on one of the slots.

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