Question about Apple PowerBook G4 Mac Notebook

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Apple G4 15" has been charging all night - will not power on? Ideas?

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If you are plugged into the AC adapter, it should power on even with the battery removed.
Turn off the computer. Remove the AC adapter plug and remove the battery.
Reset the power manager by simultaneously pressing and then releasing Shift-Control-Option-power button. Do not press the fn (Function) key while using this combination of keystrokes.

Wait 5 seconds.



Press the power button to restart the computer. If it still will not restart, you may need to contact a local serviceperson.

Posted on Jul 14, 2010

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Posted on Jan 02, 2017

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