Dell Precision 3530 Service 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 backlight cable (optional) [3], touchpad cable [4], pointstick cable [5], and keyboard cable [6]
from the connector on the system board.
4 To remove the chassis frame:
a Remove the M2x3 (5), M2x5 (2) screws that secure the chassis frame to the laptop[1].
b Lift the chassis frame away from the laptop [2].
Disassembly and reassembly 31