Steps
1. Remove the two (M1.6x3) screws that secure the display cable/Type-C bracket in place.
2. Lift the display cable/Type-C bracket off the system board.
3. For systems that shipped with the WWAN card:
a. Remove the single (M1.6x2) screw that secures the WWAN/Darwin-cable bracket to the system board.
b. Lift the WWAN/Darwin-cable bracket off the system board.
4. For systems shipped with WWAN, lift the WWAN Darwin cable bracket off the system board.
5. Disconnect the following from their connectors on the system board:
- Display cable
- Camera cable
- Proximity sensor cable
- Darwin (D1) antenna cable (for systems that shipped with the WWAN card)
- Left-speaker cable
- Right-speaker cable
- Touchpad-FPC cable
- Power-button FPC (for systems shipped without fingerprint reader) or USH I/O-board FPC cable (for systems shipped
with a fingerprint reader)
NOTE: The connector for the display cable features a latch that locks it in place on the system board which technicians
must flip open in order to disconnect the display cable from the system board. After flipping open the latch, technicians
must grasp the left and right sides of the cable's connector head and disconnect the display cable from the system
board in a direct upward motion to prevent damage to the connector's pins.
CAUTION: Do not attempt to disconnect the display cable from the system board without flipping open the
latch first.
Figure 53. Display cable
6. For systems shipped with the WWAN card, unroute the white/grey (M) and orange (M2) WWAN antenna cables from their
routing guides on the system board.
7. Remove the three (M1.6x3) screws that secure the USB Type-C bracket to the system board.
8. Lift the USB Type-C bracket off the system board.
9. Remove the single (M1.6x3) screw and six (M1.6x2) screws that secure the system board to the palm-rest assembly.
72
Removing and installing Field Replaceable Units (FRUs)
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