PowerBook G4 Aluminum 15" 1.5-1.67 GHz PRAM Battery Replacement
- Author: iRobot
- Difficulty: Moderate
The time and date, as well as other settings, are kept by the PRAM battery when your machine is off.
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Grasp the back corners of the upper case and pull up. Do not pull the upper case off yet; you still need to disconnect the keyboard and trackpad cable.
Lift the back of the case up and work your fingers along the sides, freeing the case as you go. Once you have freed the sides, you may need to rock the case up and down to free the front of the upper case.