HP EliteBook 8770w Maintenance And Service Manual page 60

Description
Intel Centrino Ultimate-N 6300, 802.11a/b/g/n WLAN module
Broadcom 802.11a/b/g/n 2x2WiFi Adapter
CAUTION:
To prevent an unresponsive system, replace the wireless module only with a wireless module
authorized for use in the computer by the governmental agency that regulates wireless devices in
your country or region. If you replace the module and then receive a warning message, remove the
module to restore device functionality, and then contact technical support.
Before removing the WLAN 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 service access cover (see
Remove the WLAN module:
1. Position the computer with the front toward you.
2. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE:
module.
3. Remove the two Phillips M2.0×2.0 screws (2) that secure the WLAN module to the system
board. (The WLAN module tilts up.)
4. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE:
WLAN module into the WLAN module slot.
Reverse this procedure to install the WLAN module.
52 Chapter 4 Removal and replacement procedures
The WLAN module and the WWAN module are not interchangeable.
Battery on page
The WLAN antenna cables are numbered and connect from left to right on the WLAN
WLAN modules are designed with a notch (4) to prevent incorrect insertion of the
42).
Service access cover on page
Spare part number
698588-001
669832-001
43).