3.
If the WLAN antenna is not connected to the terminal on the WLAN module, install a protective sleeve on
the antenna connector, as shown in the following illustration.
Reverse this procedure to install the WLAN module.
WWAN module
To remove the WWAN module, use this procedure and illustration.
Table 5-5
WWAN module descriptions and part numbers
Description
Spare part number
Intel XMM 7360 LTE-Advanced (Cat 9)
L70670-002
IMPORTANT:
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.
Prepare the computer for disassembly (
Preparation for disassembly on page 30
2.
Remove the bottom cover (
).
3.
Disconnect the battery cable from the system board (see
).
Remove the WWAN module:
1.
Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
The number of antennas can vary.
2.
Remove the Phillips M2.0 × 2.0 screw (2) that secures the WWAN module to the bottom cover. (The
WWAN module tilts up.)
36
Chapter 5 Removal and replacement procedures for authorized service provider parts
Summary of Contents for ProBook 450 G8
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
