HP Chromebook 14 G3 Chromebook model numbers 14- x000 through 14-x099 Maintena - Page 35

WWAN module, Remove the Phillips PM1.9×4.2 screw

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WWAN module Description HP cr3114 HSPA+ Mobile Broadband Module HP lt4110 LTE/HSPA+ 4G Module Spare part number 741284-005 755529-001 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. 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 keyboard/top cover (see Keyboard/top cover on page 23). Remove the WWAN module: 1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module. NOTE: The #5/red WWAN antenna cable connects to the WWAN module Main terminal. The #6/blue WWAN antenna cable connects to the WWAN module Aux terminal. 2. Remove the Phillips PM1.9×4.2 screw (2) that secures the WWAN module to the base enclosure. (The WWAN module tilts up.) Component replacement procedures 29

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WWAN module
Description
Spare part number
HP cr3114 HSPA+ Mobile Broadband Module
741284-005
HP lt4110 LTE/HSPA+ 4G Module
755529-001
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.
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 keyboard/top cover (see
Keyboard/top cover
on page
23
).
Remove the WWAN module:
1.
Disconnect the WWAN antenna cables
(1)
from the terminals on the WWAN module.
NOTE:
The #5/red WWAN antenna cable connects to the WWAN module Main terminal. The
#6/blue WWAN antenna cable connects to the WWAN module Aux terminal.
2.
Remove the Phillips PM1.9×4.2 screw
(2)
that secures the WWAN module to the base
enclosure. (The WWAN module tilts up.)
Component replacement procedures
29