HP EliteBook 8740W Maintenance And Service Manual page 65

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 from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
5. Remove the memory module/wireless module compartment cover (see
on page
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE:
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 system
board. (The WLAN module tilts up.)
3. Remove the WWAN module (3) by pulling the module away from the slot at an angle.
NOTE:
WWAN module into the WWAN module slot.
Reverse this procedure to install the WWAN module.
ENWW
Battery on page
55).
The red WWAN antenna cable is connected to the WWAN module "Main" terminal. The
WWAN modules are designed with a notch (4) to prevent incorrect insertion of the
46).
Component replacement procedures
WLAN module
57