Installing The I/O Daughter-Board Flexible Flat Cable - Dell Inspiron 15 3521 Service Manual

3. Remove the base cover.
About this task
The following image indicates the location of the I/O daughter-board flexible flat cable and provides a visual representation of
the removal procedure.
Steps
1. Lift the latch and disconnect the I/O daughter-board flexible flat cable from the connector on the I/O daughter-board.
2. Lift the latch and disconnect the I/O daughter-board flexible flat cable from the connector on the system board.
3. Lift the I/O daughter-board flexible flat cable off the palm-rest and keyboard assembly.

Installing the I/O daughter-board flexible flat cable

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the I/O daughter-board flexible flat cable and provides a visual representation of
the installation procedure.
Removing and installing components 71