Dell Latitude 3190 2-in-1 Owner's Manual page 34

5 To remove the metal bracket (WLAN and display cable):
a Remove the M2x3 screw and lift the metal bracket that secures the WLAN card on the system board [1, 2]
b Disconnect the WLAN cables [3].
c Remove the screws M2x3 and lift the metal bracket that secures the display cable on the computer [4, 5]
d Lift the latch, and disconnect the cable [6]
34 Disassembly and reassembly