Dell Latitude E7450/7450 (Late 2014) - Manual (Page 31)

5. Perform the following steps as shown in the illustration:
a. Remove the screws that secure the system board to computer chassis [1].
b. Lift the system board from the computer [2].
Installing the System Board
1. Align the system board in its place on the computer.
2. Tighten the screws to secure the system board.
3. Connect the spekar and I/O board cables to the system board.
4. Connect display assembly cable.
5. Install:
a. display assembly
b. hinge cover
c. WLAN card
d. WWAN card
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