PowerBook G3 Lombard Processor Replacement

Turn the computer so that the ports are facing you.

If the keyboard is locked, open the port cover and turn the keyboard locking screw until the keyboard is unlocked.

Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.

Lift the keyboard out by pulling it up and away from you. Rest the keyboard, face down, on top of the trackpad.

Remove the three silver Phillips screws that attach the heat shield to the internal metal framework.

Lift the heat shield up and pull it toward you.

Your laptop should look approximately like this.

Pull the battery cable directly up from the logic board.

Remove the battery from its holder by pulling up and to the left.

Remove the two silver Phillips screws from the modem.

Use a spudger, the tips of your fingers, or a flat non-metal tool to get under the modem's edge and pry it up from its socket as shown in the picture.

Disconnect the cable from the right side of the modem.

Your laptop should look approximately like this.

Use a spudger, the tips of your fingers, or a flat non-metal tool to pry up the processor's right side.

Disconnect the keyboard cable from the logic board by pulling directly up on the clear plastic loop.

Your laptop should look approximately like this.