HP EliteBook Revolve 810 G2 Maintenance and Service Guide

WWAN module
Description Spare part number
HP lt4112 LTE/HSPA+ Mobile Broadband Module (Europe and Asia Pacific) 704030-001
HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module (for use in the United States and
Canada)
740011-001
HP hs3110 HSPA+ Mobile Broadband 753650-001
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 off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 28).
5. Remove the service door (see
Service door on page 30).
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE: The WWAN antenna cable labeled MAIN connects to the WWAN module “Main”
terminal. The WWAN antenna cable labeled AUX connects to the WWAN module “Aux”
terminal.
2. Remove the Phillips M2.0×3.0 screw (2) that secures the WWAN module to the computer. (The
WWAN module tilts up.)
32 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts