Dell Latitude 5590 Owner's Manual page 31

f SSD card
3 To release the chassis frame:
a Release the WLAN and WWAN cables from the routing channels [1].
b Disconnect the speaker cable from the connector on the system board [2].
c Lift the latch to disconnect the keyboard cable[3], touchpad cable[4], pointstick cable[5] and backlight cable (optional) [6] from
the connector on the system board.
4 To remove the chassis frame:
a Remove the M2.0x3.0, M2x5 screws (8) that secure the chassis frame to the laptop[1].
b Lift the chassis frame away from the laptop [2].
Removing and installing components 31