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. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5471 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. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5471 Remove the three 2.3 mm Phillips screws securing the memory cover to the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5594 Lift the memory cover slightly and pull it toward yourself to remove it from the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5595 Lift the memory cover slightly and pull it toward yourself to remove it from the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5595 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. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5475 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. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5476 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. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5476 Use the tip of a spudger to slide the trackpad ribbon cable out of its socket. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5477 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. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5478 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. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5479 Depress the display latch release button and open your display. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5480 Depress the display latch release button and open your display. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5480 Starting near the display, lift the upper case straight up off the lower case, minding any cables that may get caught. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5481 Starting near the display, lift the upper case straight up off the lower case, minding any cables that may get caught. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5481 Disconnect the RJ-11 cable from the modem. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5555 If necessary, remove the strip of tape covering the speaker cables. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5556 Use your fingernails or the tip of a spudger to separate the ZIF cable lock from its socket. The ZIF cable lock will move about 1 mm and stop. Do not attempt to completely remove the ZIF cable lock. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5557 Use your fingernails or the tip of a spudger to separate the ZIF cable lock from its socket. The ZIF cable lock will move about 1 mm and stop. Do not attempt to completely remove the ZIF cable lock. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5557 Pull the DC-in ribbon cable straight away from its socket. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5558 Peel the DC-in cable off the adhesive securing it to the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5559 If necessary, use the tip of a spudger to remove the small piece of foam tape from the side of the left speaker. De-route the AirPort antenna cables from the channel in the left speaker. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5560 If necessary, use the tip of a spudger to remove the small piece of foam tape from the side of the left speaker. De-route the AirPort antenna cables from the channel in the left speaker. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5560 Remove the single T8 Torx screw securing the left speaker to the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5561 Lift the left speaker from its rear edge and maneuver it out of the lower case, minding the cables sitting in the channel near the front edge of the left speaker. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5562 Lift the left speaker from its rear edge and maneuver it out of the lower case, minding the cables sitting in the channel near the front edge of the left speaker. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5562 Remove the single T8 Torx screw securing the speaker cable ground loop to the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5563 Peel back the piece of foil tape covering the modem cable to free the speaker cable held underneath. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5564 Pull the speaker cable straight up to disconnect it from the sound card. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5565 In the next few steps, you will disconnect several ribbon cables that cover the right speaker cable. Use the flat end of a spudger to pry the hard drive ribbon cable connector up off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5566 Use the flat end of a spudger to pry the sound card cable connector up off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5567 Use the flat end of a spudger to pry the optical drive cable connector up off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5568 Use your fingernails or the tip of a spudger to separate the ZIF cable lock from its socket. The ZIF cable lock will move about 1 mm and stop. Do not attempt to completely remove the ZIF cable lock. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5569 Use your fingernails or the tip of a spudger to separate the ZIF cable lock from its socket. The ZIF cable lock will move about 1 mm and stop. Do not attempt to completely remove the ZIF cable lock. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5569 Pull the PRAM battery & USB board cable out of its socket. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5570 Use a spudger to de-route the display data cable from the channel in the right speaker. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5571 Use the tip of a spudger to pry the power button LED window off the right speaker. Try to place the window curved-side down on your work surface to keep the adhesive around its perimeter clean. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5572 Remove the single T8 Torx screw securing the right speaker to the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5573 Lift the right speaker out of the lower case. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5574 De-route the speaker cable from the clips along the front edge of the logic board. The clips open in different directions, so be careful to not break any off during removal. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5575 Close your PowerBook, minding any cables that may interfere, and flip it over. Disconnect the power cable connector by pulling it straight away from its socket on the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5576 Disconnect the battery cable connector straight away from its socket on the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5577 Use the flat end of a spudger to pry the AirPort/Bluetooth cable connector up off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5578 Turn the PowerBook back over. Use the flat end of a spudger to pry the modem cable connector up off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5579 Use the flat end of a spudger to pry the PC card cage cable connector up off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5580 Disconnect both of the following connectors from the logic board: Left fan cable. Inverter cable. Be sure to pull only parallel to the face of the logic board, as pulling up on the socket will break it off the logic board. When pulling these connectors away from their sockets, it is helpful to use your fingernails to pull on the ears at each side of the connector. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5581 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. Lift the optical drive out of the lower case, minding any cables that may get caught. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5582 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. Lift the optical drive out of the lower case, minding any cables that may get caught. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5582 If necessary, remove the piece of tape securing the display data cable to the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5583 Pull the display data cable away from its socket to disconnect it from the logic board. Be sure to pull only parallel to the face of the logic board, as pulling up on the socket will break it off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5584 Disconnect the right fan by pulling its connector away from the socket on the logic board. When pulling this connector away from its socket, it is helpful to use your fingernails to pull on the ears at each side of the connector. Be sure to pull only parallel to the face of the logic board, as pulling up on the socket will break it off the logic board. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5585 Remove the following 12 screws: Three black 5.7 mm T8 Torx. Three 7 mm T8 Torx with spring washers. Three 6.8 mm T8 Torx. Three 3.8 mm T8 Torx. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5586 If necessary, use a spudger to pry up the left edge of the logic board to separate the solidified thermal paste from the heat sink. If any resistance is felt when prying up on the logic board, we recommend softening the thermal paste by heating the board with a hair dryer before prying further. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5587 Lift the logic board from its left edge and rotate it toward the right side of the lower case. The logic board on this model has a tendency to get caught on the lower case near the DVI port at the upper right corner. If it catches as you are rotating it, stop to avoid bending and breaking the logic board. Rotate the logic board until it is nearly vertical, and wiggle it around until it releases from the lower case. When reinstalling your logic board, be sure to apply thermal paste to the CPU. Our thermal paste guide makes it easy. Only replace the gray thermal paste on the CPU. The white thermal material on the GPU chips can be reused. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5588 Lift the logic board from its left edge and rotate it toward the right side of the lower case. The logic board on this model has a tendency to get caught on the lower case near the DVI port at the upper right corner. If it catches as you are rotating it, stop to avoid bending and breaking the logic board. Rotate the logic board until it is nearly vertical, and wiggle it around until it releases from the lower case. When reinstalling your logic board, be sure to apply thermal paste to the CPU. Our thermal paste guide makes it easy. Only replace the gray thermal paste on the CPU. The white thermal material on the GPU chips can be reused. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5588 Release the tabs on each side of the RAM chip at the same time. These tabs lock the chip in place and releasing them will cause the chip to "pop" up. Pull the chip directly out from its connectors. If there is a second RAM chip installed, pop it out in the same manner. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5589 Release the tabs on each side of the RAM chip at the same time. These tabs lock the chip in place and releasing them will cause the chip to "pop" up. Pull the chip directly out from its connectors. If there is a second RAM chip installed, pop it out in the same manner. /Guide/PowerBook-G4-Aluminum-17-Inch-1-67-GHz-High-Res-Logic-Board-Replacement/1047/all#s5589