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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

Powerbook G4 start up / shut down problems

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Member Since: Dec 28, 2009
Posts: 1
rjaerial is on a distinguished road

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My Powerbook G4 started giving me trouble about a year ago... tried everything including a new apple battery.. It would go to sleep and not wake up. Had to remove battery to shut it down. Then it got harder to get to go again. Had to remove battery and play with it for a half hour or longer. It would start, then stop, I would start it again and then it would quit again. It acts like it needs to be warm to run. The more time I start it the "warmer" it gets and then finally it will stay on all day. I can shut if off and turn it back on and no problem. I can come back hours later and it will start and run fine. If I leave it off for a couple of days... the same problem starts all over again. I have shut off the sleep modes, reset everything etc. but does not fix the problem. I finally bought a new MacBook Pro but was wondering if anyone knows what happened?
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mac master

Member Since: Jan 26, 2010
Posts: 4
mac master is on a distinguished road

mac master is offline
reset your pmu look on google on how to do it
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