Dell Vostro 420 (Late 2008) - Manual (Page 84)

84
Drives
10 Replace the bezel (see "Replacing the Bezel" on page 53).
11 Follow the procedure in "After Working on Your Computer" on page 45.
12 See the documentation that came with the drive for instructions on
installing any software required for drive operation.
13 Enter the system setup program (see "System Setup Program" on page 129
for instructions) and update the drive settings.
1 screws (2) 2 screw holes
3 optical drive 4 data cable
5 power cable
4 5
3
1
2