Step 10
Remove the hard drive by gently grasping the orange ribbon cable and lifting the left edge up and out of the computer.
There are four rubber bumpers that fit over the hard drive screws. Ensure that these bumpers come out when you remove the hard drive.
Step 11
Your laptop should look approximately like this.
Step 12 — DVD Drive
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.