Dell Latitude 7400 Service Manual page 66

3. Disconnect the display cable [1] and unroute it from the metal bracket on the system board [2].
4. Remove the single (M2x4) screw [1] and remove the metal bracket over the WWAN Darwin antennae cable [2].
5. Disconnect the power button (with finger print reader) cable from the system board [1].
6. Disconnect the WWAN Darwin antennae cables [2] from the system board.
66 Removing and installing components