Dell Inspiron 13z N301Z Service Manual page 49

14. Lift the left hinge-bracket off the computer base.
1 left hinge-bracket 2
15. Disconnect the coin-cell battery cable, speaker cable, status light board cable, and the AC adapter connector cable from their respective connectors on
the system board.
1 AC adapter cable 2 coin-cell battery cable
connector connector
3 status light board cable 4 hard-drive cable
connector connector
5 speaker cable connector
16. Remove the four screws that secure the system board to the computer base.
screw