Before removing the display panel, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 39).
2. Remove the bottom cover (see Bottom cover on page 39).
3. Disconnect the battery cable from the system board (see Battery on page 41).
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.
3. Release the webcam cable and WWAN module antenna cables from the retention clips (3) that are
built into the cable retainer.
4. Disconnect the display panel cable (1) from the system board.
5. Carefully disconnect the WLAN module antenna cables from the WLAN module (2).
NOTE: Computer models have either one or two WLAN module antenna cables. On models with
two antenna cables, the #1 white WLAN module antenna cable connects to the WLAN module #1
Main terminal. The #2 black WLAN module antenna cable connects to the WLAN module #1 Aux
terminal.
52
Chapter 5 Removal and replacement procedures for authorized service provider parts
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