Dell XPS M2010 Service Manual page 38

4 end caps
7. While holding the optical drive assembly and the top cover together, turn the top cover over.
8. Disconnect and untape the disk sensor cable from the top cover.
9. Rotate the swing arm on the top cover toward the optical drive assembly to put the optical drive in the "Open" position.
1 top cover (underside)
10. Lower the back of the assembly slightly and slide it away from the top cover, disconnecting the black round tabs on
the assembly from the notches in the swing arm.
11. Carefully guide the optical drive cable and disk sensor cable through their respective openings in the top cover.
2 optical drive assembly 3 disk sensor cable