Dell OptiPlex 330 (Late 2007) - Manual (Page 45)

5. Remove the four screws securing the hard drive.
6. Slide the drive out away from the front of the computer.
7. If removing this drive changes the drive configuration, then be sure to reflect these changes in system setup. When you restart your computer, enter
system setup (see
System Setup ), then go to the "Drives" section of the system setup and under Drive 0 through 3, set the Drive to the correct
configuration.
8. Replace the computer cover (see Replacing the Computer Cover ).
9. Connect your computer and devices to electrical outlets and turn them on.
Installing a Hard Drive
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Removing the Computer Cover ).
3. Check the documentation for the drive to verify that it is configured for your computer.
1 hard-drive data cable 2 hard-drive data connector on system board
3 power cable
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.