Dell XPS 13 L321 Series Owner's Manual page 32

2 Disconnect the power-adapter connector cable from the
system-board connector.
3 Release the power-adapter connector cable from the routing guides
on the fan.
1 routing guides
4 Disconnect the fan cable from the I/O board connector.
5 Remove the screws that secure the fan to the palm-rest assembly.
6 Lift the fan off the palm-rest assembly.
1 fan cable
3 fan
32
Fan
1
1
2
2 power-adapter connector cable
2
3
2 screws (2)