Remove the WWAN module:
1.
Position the computer upside-down with the battery bay toward you.
2.
Disconnect the WWAN antenna cables
(1)
from the terminals on the WWAN module.
NOTE:
The red WWAN antenna cable is connected to the WWAN module “Main” terminal. The
blue WWAN antenna cable is connected to the WWAN module “Aux” terminal.
3.
Remove the two Phillips PM2.0×4.0 screws
(2)
that secure the WWAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
4.
Remove the WWAN module
(3)
by pulling the module away from the slot at an angle.
NOTE:
WWAN modules are designed with a notch
(4)
to prevent incorrect insertion.
Figure 4-1
Removing the WWAN module
NOTE:
If the WWAN antennas are not connected to the terminals on the WWAN module, the
protective sleeves must be installed on the antenna connectors, as shown in the following
illustration.
Reverse this procedure to install the WWAN module.
48
Chapter 4 Removal and replacement procedures
