Dell Inspiron 13z (N311z, Mid 2011) - Manual (Page 80)

80 DC-in Cable
8 Disconnect the DC-in connector cable from the connector on the system
board.
9 Note the routing of the DC-in connector cable and lift the DC-in
connector off the computer base.
Replacing the DC-in Cable
1 Follow the instructions in "Before You Begin" on page 9.
2 Route the DC-in connector cable and place the DC-in connector on the
computer base.
3 Connect the DC-in connector cable to the connector on the system board.
4 Replace the screw that secures the DC-in connector assembly.
1 screw 2 DC-in connector cable
2
1