Dell Precision 7730 Service Manual page 52

a Disconnect the power connector cable from the connector on the system board [1].
b Peel the adhesive tape that secures the power connector cable to the system and unroute the cable [2, 3].
c Remove the single (M2.0x3.0) screw that secures the power connector cable metal bracket to the system [1].
d Remove the metal bracket away from the system [2].
e Lift the power connector port from the system [3].
52 Removing and installing components