Installing PowerBook G4 Aluminum 15" 1-1.5 GHz DC & Sound Card

Introduction
| Difficulty: | Difficult |
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This unit provides power to the machine, allows the battery to charge, and provides sound capability.









Do you actually need to remove any of the screws on the underneath if you're just replacing a PRAM battery, or a hard drive? Aren't those only required if you're taking the whole logic board out?