e. Speaker cable
f. Audio daughter-board FFC
g. Touchpad FFC
h. USH daughter-board FFC, if applicable
NOTE: This step applies only to computers shipped with a USH daughter-board installed.
i. LED daughter-board FFC
j. P-sensor cable
NOTE: This step applies only to computers shipped with 5G antennas installed.
8. Adhere the tape to secure the display cable to the system board.
9. Align and place the display-cable bracket into its slot on the system board.
10. Replace the two screws (M2x2) to secure the display-cable bracket to the system board.
11. Route the WLAN-antenna cables through the routing guides and connect them to the respective connectors on the system
board.
12. For computers shipped with 4G antennas, align and place the WLAN bracket into its slot on the system board.
13. For computers shipped with 4G antennas, replace the screw (M2x2) to secure the WLAN bracket to the system board.
14. For computers shipped with 5G antennas, route the #1 Darwin antenna cable, #2 Darwin antenna cable, #3 black/gray
WWAN antenna cable, #2 blue WWAN antenna cable, #1 orange WWAN antenna cable and #0 white/gray WWAN antenna
cable through the respective routing guides on the palm-rest and keyboard assembly.
NOTE:
When routing the WWAN-antenna cables, secure the Darwin cables and black/gray WWAN-antenna cable or
blue and orange WWAN-antenna cables (for 5G WWAN configuration) in place with the sponges.
82 Removing and installing components
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