To reassemble the optical drive:1. Slide the drive cover onto the drive and engage the tabs on the cover to the front bezel.2. Replace the four M2.0-mm shoulder screws in the optical drive cover.3. Connect the optical drive cable to the drive with two M2 x 3-mm screws.4. Attach the two rails to the drive with two M2 x 3-mm screws in each drive rail.5. Attach the optical drive to the optical drive assembly with four M2.0-mm shoulder screws.Replacing the Optical Drive Assembly1. Carefully thread the optical drive cable and disk sensor cable back through the top cover.2. While holding the top cover level in one hand, tilt the optical drive assembly slightly at an angle and fit the lip of the assembly into the slot on the topcover.3. Fit the black round tabs on the assembly into the notches in the swing arm.4. Rotate the swing arm away from the optical assembly to bring the optical drive to the "Closed" position.5. Attach the disk sensor cable and tape it to the underside of the top cover.6. Holding the optical drive assembly in place, turn the top cover over.7. Attach the optical drive assembly to the top cover with two M2.5 x 5-mm screws and end caps.8. Replace the top cover (see Replacing the Top Cover).9. Replace the cosmetic covers (see Replacing the Cosmetic Covers).10. Firmly attach the keyboard to the computer and close the display (see Closing the Display).11. Turn the computer upside down and replace the system battery (see Replacing the System Battery).Back to Contents Page4 M2 x 3-mm screws (2) 5 optical drive cable1 notch in swing arm (2) 2 tab on optical drive assembly (2) 3 optical drive cableNOTICE: To avoid damage to the keyboard, ensure that you attach the keyboard securely before moving the computer.