Dell OptiPlex 760 - Manual (Page 124)

4. Connect the hard drive fan cable to the system board.
5. Connect the power and data cables to the hard drive.
6. Connect the data cable to the system board.
7. Check all connectors to ensure that they are properly cabled and firmly seated.
8. Align the hard drive tab with the chassis and gently position the drive until it clicks into place.
9. Replace the computer cover (see Replacing the Computer Cover ).
1 release tabs (2) 2 hard drive
3 hard-drive bracket
1 power cable 2 data cable
1 hard drive 2 hard-drive tab