HP DM4 - Manual (Page 54)

6. Firmly pull outward on the open tray (2) until the drive slides out.
7. Press the bezel release button (1), lift the bezel at an angle (2), and remove the bezel (3).
8. If it is necessary to replace the optical drive bracket, position the optical drive with the optical
drive bracket toward you.
9. Remove the two Phillips M2.0×3.0 screws (1) that secure the optical drive bracket to the optical
drive.
10. Remove the optical drive bracket (2).
Reverse the above procedure to reassemble and install the optical drive.
46 Chapter 4 Removal and replacement procedures