on 03/07/17 11:56, Ron nie at ron00000 at yahoo.com wrote: > hi. all > when i woke up this morning, i was surprised when i > wake my powerbook up. (i always plugs my G4 in to the > power cord.) and the battery life is at the "0%" and > the indicator show me its charging and the message > said "calculating until full". > and for the underneath of the battery, the green > indicator is going one by one. please help me out > here. > sorry for my language. Do you mean that the four green lights are flashing like this: First light 1 on Then light 1 off and light 2 on Then light 2 off and light 3 on Then light 3 off and light 4 on Then light 4 off and light 1 on Repeat from beginning. It looks like no one has ever seen anything like this. Have you tried to restart yet? Jerry