Dell OptiPlex 360 (Late 2008) - Manual (Page 79)

Drives 79
11 Enter the system setup program and update the SATA port option under
the Drives option list. For more information on using the system setup
program, see the Dell Technology Guide on your computer or at
support.dell.com.
12 Exit the system setup program, and reboot the computer.
13 Partition and format your drive.
NOTE: For instructions, see the documentation that came with your operating
system.
14 Verify your computer works correctly by running the Dell Diagnostics (see
"Dell Diagnostics" on page 136).
15 Install the operating system on the hard drive.
NOTE: For instructions, see the documentation that came with your operating
system.
Hard Drive Bracket — Desktop Computer
1 Place the hard drive in its bracket face-down on a flat surface.
2 Remove the four screws securing the hard drive in the bracket.
3 Lift the hard drive out of the bracket.
1 screw holes (4) 2 hard drive
3 plastic securing clips (2) 4 hard drive bracket
1
3
2
4