HP EliteBook 8740W Especificações descarregar pdf (Página 67)

Reverse this procedure to install the WLAN module.

WWAN module

Description Spare part number

HP hs2330 HSPA F3607 900-MHz Mobile Broadband Module 574249-001

HP hs2320 HSPA F3607 850-MHz Mobile Broadband Module 574248-001

HP un2420 EV-DO Broadband module 531993-001

CAUTION: The WWAN module and the WLAN module are not interchangeable.

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 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

Battery on page 47).

5. Remove the memory module/wireless module compartment cover (see

WLAN module

on page 57).

Remove the WWAN module:

1. 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.

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.)

Component replacement procedures 59

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HP EliteBook 8740W Especificações Página 67