Installing PowerBook G4 Aluminum 17" 1.67 GHz (High-Res) PRAM Battery & USB Board

Step 1 Battery



• Use your thumbs to push the two battery retaining tabs away from the battery.
• The battery should pop up enough to rotate it toward yourself and lift it out of the lower case.
Step 2 Memory Door

• Remove the three 2.3 mm Phillips screws securing the memory cover to the lower case.
Step 3
• Lift the memory cover slightly and pull it toward yourself to remove it from the lower case.
Step 4 Upper Case
• Remove the following ten screws:
• Two 14.7 mm shouldered Phillips.
• Three 12.3 mm Phillips.
• One 3.8 mm T8 Torx.
• One 6.8 mm T8 Torx.
• Three 1.3 mm Phillips.
Step 5
• The ZIF cable is located underneath the bottom RAM slot. If your PowerBook has both RAM slots occupied, make sure to remove the RAM chip.
• Use your fingernails to separate the ZIF cable lock away from its socket. (Move the two brown bits down 1mm)
• The ZIF cable lock will move about a millimeter away from the socket before it stops (see picture 2). Do not try to remove the ZIF cable lock.
Step 6
• Use the tip of a spudger to slide the trackpad ribbon cable out of its socket.
Step 7
• Remove the four 3.4 mm Phillips screws from the PC card side of the PowerBook.
• When replacing these screws, you must reinstall each screw in the correct order. Begin by installing the screw closest to the display hinge, and go out from there.
Step 8
• Remove the four 3.4 mm Phillips screws from the DVI connector side of the PowerBook.
• When replacing these screws, you must reinstall each screw in the correct order. Begin by installing the screw closest to the display hinge, and go out from there.
• During reassembly, make sure to reinstall the two screws on the right into their appropriate locations, and not the DVI port anchor holes.
Step 9
• Depress the display latch release button and open your display.
Step 10
• Starting near the display, lift the upper case straight up off the lower case, minding any cables that may get caught.
Step 11 Optical Drive
• Use the flat end of a spudger to pry the optical drive cable connector up off the logic board.
Step 12
• Remove the following four screws securing the optical drive to the lower case:
• Three 6.8 mm T8 Torx.
• One 3.8 mm T8 Torx.
Step 13
• Lift the optical drive out of the lower case, being careful not to disturb the PRAM battery & USB board ribbon cable.
Step 14 PRAM Battery & USB Board
• Use your fingernail and the tip of a spudger to raise the ZIF cable lock slightly up off its socket.
• The ZIF cable lock should raise about 1 mm and stop. Do not attempt to completely remove the ZIF cable lock.
Step 15
• Pull the ribbon cable straight up out of the ZIF socket.
Step 16
• Remove the two T8 Torx screws securing the PRAM battery & USB board to the lower case.
• Pull the board away from the side of the lower case to separate the USB socket from the bezel on the lower case.
Step 17
• Lift the board slightly out of the lower case and peel the small foam EMI gasket off the USB socket, then remove the PRAM battery & USB board from your powerbook.

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Walter Galan

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