Dell Latitude 7390 2-in-1 - Removing the Power Board; Installing the Power Board

Power board
Removing the power board
1 Follow the procedure in Before working inside your computer.
2 Remove:
a MicroSD card
b SIM card tray
NOTE: To remove both cards if equipped and no need to remove the blank ller
c Base cover
d Battery
3 To remove the power board:
a Peel and ip over the coin cell battery [1].
b Disconnect the power daughter board cable from the system board [2].
c Remove the 2 (M2X3) screws securing the power board in place [3].
d Lift the power board from the computer [4].
Installing the power board
1 Place the power board by aligning it to the screw holes.
2 Replace the 2 (M2.0x3.0) screws to secure the power board to the computer.
3 Connect the power board cable to the connector on the system board.
4 Ax the coin cell battery on the computer.
5 Install the:
Removing and installing components
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