HP Compaq Pro 6300 Hardware Reference Manual page 51

6.
Slide the access panel latches toward the edges of the chassis, then slide the access panel toward
the top of the computer until it slides off the chassis.
Figure 2-54
Removing the Access Panel
7. Lift the tab at the back of the optical disc drive enclosure to release the drive.
Figure 2-55
Removing the Optical Disc Drive
Replacing Drives
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