Dell Latitude 12 Rugged Extreme 7214 Owner's Manual page 45

4. Disconnect the following cables from the system board:
a. LED cable [1]
b. coin cell battery cable [2]
c. speaker cable [3]
d. power connector cable [4]
e. touch pad cable [5]
5. To remove the system board:
a. Remove the screws that secure the DisplayPort to the computer chassis [1].
b. Remove the screws that secure the system board [2].
c. Slide and lift the system board from the computer chassis [3].
45