Dell Latitude C810 - Manual (Page 9)

Mini-PCI Wireless NIC Assembly Using Antenna Cable
3. Pivot the Mini PCI Card assembly down until it clicks into place.
4. Replace the Mini PCI Card assembly cover.
Keyboard Assembly
Keyboard Screws
NOTICE: If a wireless NIC card contains two mini-coax antenna connectors, connect the mini-coax antenna cable to the outermost antenna connector
on the card as shown.
NOTICE: If you are installing a wireless NIC, fold and tuck the unused wiring harness into the slot so it does not interfere with the cover.
NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.