Dell Dimension 4700 - Manual (Page 23)

7. Install the additional hard drive:
a. Place the two bracket tabs into the drive slots inside the computer's front panel.
b. Swing the bracket forward so that it is flush with the computer's front panel.
c. Replace the bracket-securing screws.
8. Reinstall the existing hard drive into the computer in front of the additional drive.
9. Connect a power cable to the drive.
10. Connect the data cable to the drive and to the system board .
11. Replace the computer cover .
12. Connect your computer and devices to electrical outlets, and turn them on.
13. See the documentation that came with the drive for instructions on installing any software required for drive operation.
NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer.
NOTICE: When you unpack the drive, do not set it on a hard surface, which may damage the drive. Instead, set the drive on a soft surface, such as a
foam pad, that will sufficiently cushion it.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.