Dell Inspiron 14-5457 Owner's Manual page 64

2 Lift the latches and disconnect the status-light board cable and touchpad
cable from the system board.
1 status-light board cable
3 Close the display panel and turn the computer over.
4 Remove the screws that secure the system board to the palm rest.
5 Disconnect the speaker cable and hard-drive cable from the system
board.
64
2 touchpad cable