External antennas (select models only)
The external connection antennas route from the WLAN module to the cable connectors on the rear of the computer.
To install the antennas:
1.Prepare the computer for disassembly (Preparation for disassembly on page 72).
2.Remove the access panel (Access panel on page 122).
3.Remove the hard drive (Hard drive on page 123).
4.Remove the drive cage (Drive cage on page 139).
5.Remove the heat sink (Heat sink on page 136).
6.Remove the fan (Fan on page 138).
7.Using a screwdriver, pry out the two knockouts that cover the antenna cable connector holes on the back of the computer.
8.Insert the cable connectors into the slots on the rear of the computer, and then fasten the connectors using the included washer (on the inside of the chassis) and nut (on the outside of the chassis).
External antennas (select models only) 145