Apple PowerBook G3 400 Hard Drive Replacement

Pull the keyboard tabs toward you while lifting up on the keyboard until it releases from it's hold.

To lift the keyboard out pull it up and away from you. Then place the keyboard on the track pad.

Pull the keyboard ribbon vertically from the logic board to release connection.

Your computer should look approximately like this.

Remove the two silver Phillips #1 screws that attach the heat shield to the metal framework.

Lift the heat shield up and toward you.

Pull the PRAM battery cable vertically upward to disconnect it.

Remove the battery by pulling up and to the left.

Remove the two T8 Torx screws that attach the heat sink to the processor.

Remove the long silver Phillips #1 screw from the heat sink.

Lift up the heat sink unit from the left side and remove.

Lift the processor on the right side and pull directly up.

The RAM chips should be in the slots on the processor.

After removing the RAM, your laptop should now look like this.

Locate the orange tab, which should be just left of the hard-drive.

You must disconnect this orange tab from the logic board to enable the next step.

It is better to do this by grabbing the plastic connection point, not the relatively flexible cable.

Grab the plastic strip shown here and gently remove, pulling up and left.

Pull left to avoid the hard drive catching the casing.

Once you have removed the hard-drive, your laptop should like this.

Each of the Torx screws will need to be removed. They are located at each corner.

Applying even pressure during this step is key. You must be careful not to damage the hard-drive beyond repair.

Pull the connector cable from the hard-drive with even pressure the entire time.