[Ti] Powerbook G4 won't wake up!

[Dick Grable]

My REV 'A' TiBook has done this twice and refused to start after pulling the
power resulting in several trips to Apple. My advise is to backup first.

>> 
>> My Powerbook won't wake up. I can't shut it off either. I tried holding down
>> the power button. I tried hitting the Brightness key. I tried all of the
>> reset key combinations I know.
> 
> Try pulling the power supply and the battery.  Wait a few seconds and boot
> again.