HP Compaq Pro 4300 All-in-One Hardware Reference Manual page 37

12.
Replace the screw to secure the optical disc drive in place.
Figure 2-41 Installing the Optical Disc Drive Security Screw
13.
Place the drive access panel on the rear of the computer so that the edge of the panel is slightly
hanging off the edge of the computer and slide the panel toward the center of the computer until it
snaps in place.
Figure 2-42 Replacing the Drive Access Panel
14.
Rotate the drive panel latch up and close it to secure the drive access panel.
Replacing the Optical Disc Drive
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