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  1. #1
    Replaced bad caps and still got problems...

    Member Since
    Aug 17, 2009
    Posts
    3
    Replaced bad caps and still got problems...
    hi ,
    I've replaced all 25 bad capacators on my i mac g5 i had them done through a professional electronics company so know the work was done correctly.
    However when i came to start it up for the first time (and everytime since)
    i get the grey apple logo and spinning icon
    can hear the disc drive test? can hear the fans .
    And then the whole thing just closes down.(within a minute or so)
    If i try starting with startup disc it does the same thing.
    If i try starting with 'ctrl r p' i get a kernal panic? (black dialogue box telling me to re start)
    Just before it broke on me i had sign in issues where i had to type in a command to re set my password.(black screen)
    also did the led check with the back off and all was ok .
    has anyone any ideas please?
    much appreciated.

  2. #2
    Replaced bad caps and still got problems...
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    45,292
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    Was the electronics repair place an authorized Mac repair service center? Did they check out your machine after the repair was done? Take it back to them.

    Regards.

  3. #3
    Replaced bad caps and still got problems...
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    20,066
    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    Try starting with 'ctrl r p' i get a kernal panic? (black dialogue box telling me to re start)

    If you mean by this you tried to zap the PRAM, it is done by holding down Control, Option, P and R keys all at the same time immediately after the chime.

    How to Zap PRAM on a MAC | eHow.com

  4. #4
    Replaced bad caps and still got problems...
    hughvane's Avatar
    Member Since
    May 18, 2008
    Location
    Banks Peninsula, New Zealand
    Posts
    3,296
    Specs:
    MacMini 2.4, 8 Gb, OS 10.10 and 10.6; MacBook 2.4, 4 Gb, OS 10.6.8
    Further to Harry's advice, I suggest you check out the status and condition of the physical RAM. Something might have been messed about in there when the capacitor replacement was being done.

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