Wwan Module - HP EliteBook 845 Maintenance And Service Manual

2. Remove the bottom cover (see
WARNING!
computer, a replacement battery provided by HP, or a compatible battery purchased from HP.
IMPORTANT:
To prevent loss of information, save your work or shut down the computer through Windows before you
remove the battery.
Remove the battery:
1. Disconnect the battery cable (1) from the system board.
2. Remove the four Phillips M2.0 × 4.7 screws (2) that secure the battery to the computer.
3. Swing the rear edge of the battery (3) up and forward until it rests at an angle.
4. Remove the battery (4) by sliding it up and back at an angle.
To install the battery, reverse the removal procedure.

WWAN module

To remove the WWAN module, use this procedure and illustration.
Table 5-3 WWAN module description and part number
Description
Intel XMM 7560 R+ LTE-Advanced Pro (Cat 16) WWAN module
IMPORTANT:
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 (see
42 Chapter 5 Removal and replacement procedures for authorized service provider parts
Bottom cover on page
To reduce potential safety issues, use only the user-replaceable battery provided with the
Removing a battery that is the sole power source for the computer can cause loss of information.
To prevent an unresponsive system, replace the wireless module only with a wireless module
39).
Preparation for disassembly on page
Spare part number
M52040-001
39).