Dell Latitude E7450/7450 (Late 2014) - Manual (Page 29)

6. Perform the following steps as shown in the illustration:
a. Remove the screws that secure the display assembly to the computer [1].
b. Lift the display assembly from the computer [2].
Installing the Display Assembly
1. Insert the wireless antenna cables through the holes on the base chassis and connect them.
2. Place the display assembly onto the computer.
3. Tighten the screws on both sides to secure the display assembly.
4. Route and connect the display assembly cables through the routing channel.
5. Route the WWAN and WLAN cables to the computer.
6. Install:
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