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PowerBook G4 (12-inch) Take Apart - 51
Heatsink and Fan Assembly: PowerBook G4 (12-
• Keyboard
• Top case
• Modem
Procedure
1. Warning: The cone of the subwoofer, located below the heatsink and to the right of
the fan, is a sensitive device. Avoid touching the subwoofer cone as you perform this
procedure.
2. Peel up the tape if any of the following screws are covered. Remove the following
screws from the heatsink:
• Two 6 mm long #0 Phillips screws
• Two 7.5 mm long #1 Phillips screws with springs
• One 13 mm long #0 Phillips screw
• One 4.5 mm long #0 Phillips screw