1. Follow the procedure in before working inside your computer.
2. Remove the base cover.
3. Remove the WWAN card for 4G LTE enabled systems.
About this task
The following image indicates the location of the Input Output board and provide a visual representation of the removal
procedure.
Steps
1. Disconnect the Type-C power cable from the connector on the Input Output board.
2. For systems enabled with 4G LTE, disconnect the LTE signal cable from the connector on the Input Output board.
3. Open the latch and disconnect the 30-pin FFC and 40-pin FFC Input Output board cables from the connectors on the Input
Output board. Peel back the 30-pin FFC and the 40-pin FFC cables from the palmrest assembly.
4. For systems enabled with 4G LTE, open the latch and disconnect the 30-pin FPC and 40-pin FFC Input Output board cable
from the connectors on the Input Output board. Peel back the 30-pin FPC cable with conductive tape and the 40-pin FFC
cable from the palmrest assembly.
5. Remove the two screws (M2x4) that secure the Type-C bracket to the palmrest assembly.
6. Use a plastic scribe to peel off and remove the Type-C bracket from the palmrest assembly.
7. For systems enabled with 4G LTE, remove the three screws (M2x4) that secure the Input Output board to the palmrest
assembly.
8. For systems enabled with WiFi, remove the two screws (M2x4) that secure the Input Output board to the palmrest
assembly.
9. Lift and remove the Input Output board with the cables from the palmrest assembly.
32
Removing and installing components
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