PowerBook G4 Titanium Mercury Modem Replacement

Remove the battery.

Turn the keyboard locking screw so that it is parallel to the space bar.

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

Rest the keyboard face down on the trackpad area.

Disconnect the keyboard connector from the logic board.

Your laptop should look approximately like this.

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 RAM chip out.

Repeat this process if a second RAM chip is installed.

Using your thumbs, slide the lower case away from you.

Lift the lower case off.

Your laptop should look approximately like this.

Disconnect the hard drive ribbon from the logic board using a spudger or the tip of your finger.

To free the hard drive, remove the two T8 Torx screws from the right wall of the battery housing.

Remove the hard drive by gently grasping the orange ribbon cable and lifting the left edge up and out of the computer.

Your laptop should look approximately like this.

Before continuing, place a soft cloth on your work surface to rest the computer on. Turn the G4 over, making sure the DVD drive doesn't fall out.

Carefully peel the adhesive strip away from the DVD drive. The plastic dust shield covering the DVD drive is easily damaged. Try to start at the four corners and work toward the center.

Bend the silver metal EMI clip so that it is vertical. This part may fall out after removing the DVD drive.

Turn the G4 over.

Disconnect both orange ribbon cables from the logic board using a spudger or the tip of your finger.

Remove the DVD drive by lifting the right edge up and out of the computer.

Turn the G4 over.

Using a 5 mm nut driver or needle-nose pliers, remove the hex nut from the modem.

Lift the modem out by pulling up and to the right.

Disconnect the connector cable from the modem.