HP EliteBook 840 G9 - Display Assembly

1. Disconnect the fan cable (1) from the system board.
2. Release the webcam cable and WWAN module antenna cables from the retention clips (2) that are built into
the fan.
3. Loosen the three Phillips captive screws (3) that secure the fan to the computer.
4. Remove the fan (4) from the computer.
Reverse this procedure to install the fan assembly.
Display assembly
To remove and disassemble the display assembly, use these procedures and illustrations.
Before removing thedisplay panel, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 45).
2. Remove the bottom cover (see Bottom cover on page 45).
3. Disconnect the battery cable from the system board (see Battery on page 47).
Remove the display assembly:
1. Disconnect the webcam cable (1) from the system board.
2. Carefully disconnect the WWAN module antenna cables (2) from the WWAN module.
NOTE: Computer models have one to four WWAN module antenna cables. The antenna cables have tags
that identify them with a number that corresponds to a terminal on the WWAN module. Connect the
antenna cable to the corresponding WWAN module terminal.
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Chapter 5Removal and replacement procedures for authorized service provider parts