WWAN module
Description
Spare part number
WWAN module
442023-001
Before removing the WWAN module, follow these steps:
1
.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2
.
Disconnect all external devices connected to the computer.
3
.
Disconnect the power cord.
4
.
Remove the battery (see
Battery on page 36
).
5
.
Remove the hard drive cover (see
Hard drive on page 38
).
Remove the WWAN module:
1
.
Disconnect the WWAN antenna cables
(1)
from 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.
2
.
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 socket rises away from the computer.)
3
.
Pull the WWAN module
(3)
away from the socket at an angle and remove it.
NOTE:
WWAN modules are designed with a notch
(4)
to prevent incorrect installation into
the WWAN module socket.
Reverse this procedure to install the WWAN module.
40 Chapter
5
Removal and replacement procedures
ENWW