Dell P72G Owner's Manual page 29

e keyboard
f WLAN card
g SSD card
h memory module
i coin cell battery
j heatsink
k system fan
l chassis frame
3 Disconnect the following cables from the system board:
a LED board [1]
b speaker [2]
c touchpad [3]
4 To release the system board:
a Remove the M2*2 screw that secures the display cable [1].
b Lift the metal bracket that secures the display cable [2].
c Disconnect the display cable from the connectors on the system board [3].
d Disconnect the power connector port cable from the connector on the system board [4].
e Remove the M2*2 screws that secure the metal bracket[5] .
NOTE:
f Lift the metal bracket away from the system board [6].
The metal bracket secures the DisplayPort over USB Type-C.
Removing and installing components 29