Powerbook G4 won't boot up. I hear the chime, get a gray screen, but NO apple logo or spinning wheel. [more inside]
posted by DiscourseMarker on Jul 20, 2009 - 17 answers

iBook G4 battery is out of juice. Computer won't start up... even when AC adapter is plugged in. Is there something else going on? [more inside]
posted by kmtiszen on Jun 10, 2008 - 7 answers

How can I save my iMac G4? [more inside]
posted by eustacescrubb on Sep 29, 2006 - 5 answers

The power connector to my G4 Powerbook is almost dead. It only charges in one very specific position, and I have to twist it around for a few seconds to find the sweetspot (rotating it in situ). Nothing is loose and nothing is visibly wrong. I tried squeezing the metal sleeve slightly to make it more elliptical in the hope this would create a tighter connection, but it made no difference. [more inside]
posted by unSane on Feb 16, 2006 - 18 answers