HP ZBook 15 G3 Base Model Mobile Workstation User Manual download pdf (Page 58)

WWAN module

Description Spare part number

HP lt4120 LTE/EVDO/HSPA+ Gobi 4G Mobile Broadband Module 800870-002

HP hs3110 HSPA+ Mobile Broadband Module 822828-002

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 WWAN module, follow these steps:

1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the

computer on, and then shut it down through the operating system.

2. Disconnect the power from the computer by unplugging the power cord from the computer.

3. Disconnect all external devices from the computer.

4. Remove the bottom cover (see Bottom cover on page 32).

5. Disconnect the battery (see Battery on page 34).

Remove the WWAN module:

1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.

NOTE: The WWAN antenna cable labeled “5” connects to the “Main” terminal labeled “5”. The WWAN

antenna cable labeled “6” connects to the “Aux/GPS” terminal labeled “6”.

2. Remove the Phillips PM2.0×3.25 screw (2) that secures the WWAN module to the system board. (The

WWAN module tilts up.)

3. Remove the WWAN module (3) by pulling the module away from the slot at an angle.

NOTE: WWAN modules are notched to prevent incorrect installation.

46 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts

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HP ZBook 15 G3 Base Model Mobile Workstation User Manual Page 58