Apple MacBook Pro 17-inch (original, Core 2 Duo, 2.4GHz, Late 2007 CTO, Early 2008, and Late 2008) - Manual (Page 89)

MacBook Pro 17-inch (original, Core 2 Duo, 2.4/2.6GHz, 2008) Take Apart — Optical Drive 89
Check the placement of the disc. It is either clamped to the turntable at the center of the 3.
disc, or it is wedged under one or more posts at the outer edge of the disc.
Holding the edge of the disc, press on the center clamp or hold the posts steady as you 4.
remove the disc from the drive.
Important: Do not touch any key components located near the disc.
Replace the top cover on the drive so that the small hooks on the top cover fit into the slots 5.
on the bottom cover. Then slide the top cover into place.
Replace the four screws. 6.
Install the replacement drive, and reassemble and test the computer.. 7.