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Mac G5 startup Failure.........

In my mac g5 i have a startup problem, every time i start my g5 the led in the power button blinks and the fans inside spins a little but nothing happens then. Help me urgently to solve this issue........

PowerMac, Mac OS X (10.7.1)

Posted on Apr 8, 2014 1:34 AM

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2 replies

Apr 8, 2014 3:57 AM in response to honey222

You don't have a Mac G5 or a PowerMac if you have Mac OS X 10.7.1.

All Mac Pros that work with Lion (10.7.x), look like:


User uploaded file


The PowerMac G5 towers which look like, and only support up to Mac OS X 10.5.8:

User uploaded file

http://support.apple.com/kb/TS4167 explains the light behavior of the on/off switch if you have a Mac Pro.


If you have a PowerMac G5, you may hear a series of tones at startup in addition to the light behavior:

http://support.apple.com/kb/HT1547

Mac G5 startup Failure.........

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