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Q: My powerbook g4 15inch went lame after a long session of nonstop use.The mac osx froze up and I had to push the power button to re ... My powerbook g4 15inch went lame after a long session of nonstop use.The mac osx froze up and I had to push the power button to restart.Now when I push power it makes the start up chime then goes to a grey screen (no apple logo). more
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Feb 5, 2012 11:55 AM in response to travisssby old comm guy,First try a safe boot (holding down the shift key at power up) and see if the directory repair that is a part of a safe boot solves the problem.
If that doesn't work, see this for the next step: