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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

iMac - Replaced bad caps and still got problems...


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chociceandchips

 
Member Since: Aug 17, 2009
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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.
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chscag

 
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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.
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harryb2448

 
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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
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hughvane

 
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Mac Specs: MacMini 2.4, 4 Gb, OS 10.8 and 10.6; MacBook 2.4, 2 Gb, OS 10.5.8; G4 eMac 1.25, 2 Gb, OS 10.4.11

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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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