Dell Precision NX046 User Manual page 214

If you are going to install a replacement drive, see "Installing a Hard Drive
into the Rotatable Carrier (Tower or Desktop Computer)" on page 215.
1 blue tabs (2)
3 secondary hard drive bay
8 Ensure that all connectors are properly cabled and firmly seated.
9 Rotate the hard-drive carrier back into place (see "Rotating the Hard-Drive
Carrier Back into the Computer" on page 159).
10 Replace the computer cover (see "Replacing the Computer Cover" on
page 161).
NOTICE:
device and then plug it into the computer.
11 Connect the computer and devices to electrical outlets, and turn them on.
214
Adding and Replacing Parts
1
To connect a network cable, first plug the cable into the network port or
2 hard drive in primary hard-drive bay
2
3