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Hardware and Software > Apple > Apple Hardware and Devices > powerbook in startup loop
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May 26th, 2006
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powerbook in startup loop

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so this powerbook g4 1ghz starts then 3 beeps i know this (or think this is a ram prob) but before this i was starting then getting to the grey screen and the apple icon then that dark grey box with the hold the button to restart message the one with a few langauges so i hold the button and it just keeps doing it i managed to get off my info by starting it as a firewire disk so i think the HD is ok ? tried to boot of the system cd
which it did and managed to install a new system but it just goes back to its looping nightmare

please help
many thanks
mal
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malcarne is offline Offline
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since May 2006
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Jun 2nd, 2006
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Re: powerbook in startup loop

The reboot screen is called a kernel panic.

The 3 beeps is a bad sign, it means the boot sequence FAILED the POST (power on self test).. spcifically: 3 beeps = No RAM banks passed memory testing

Which means bad RAM. So, you'll have to replace the RAM or have it taken into an Apple Certified repair center to have them look at it.
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yellow is offline Offline
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This thread is more than three months old

No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
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