Dell P174G Service Manual page 56

About this task

CAUTION:

Remove the system board before removing the I/O daughter-board as a part of the I/O daughter-

board is underneath the system board.

CAUTION:

Do not try to remove the I/O daughter-board along with the system board.

The following image indicates the location of the I/O daughter-board and provides a visual representation of the removal

procedure.

Steps

1. Remove the single screw (M2x2) screw that secures the 4G WWAN card extension bracket to palm-rest and keyboard

assembly for the models shipped with a 4G WWAN card.

2. Remove the 4G WWAN card bracket from the system for the models shipped with a 4G WWAN card.

3. Remove the single screw (M2x2) that secures the Drawin antenna cable bracket to palm-rest and keyboard assembly.

4. Remove the Darwin antenna cable bracket from the system.

5. Unroute the two darwin antenna cables, and green P-sensor cable from the routing guide on the I/O daughter-board.

6. Disconnect the antenna cables from the connectors.

7. Remove the single screw (M2x2) that secures the fingerprint reader bracket to palm-rest and keyboard assembly.

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Removing and installing components