Dell Latitude E7450/7450 (Late 2014) - Manual (Page 25)

Installing the Speaker
1. Align the speakers to their original position and tighten the screws to secure the speakers to the
computer.
2. Route the speaker cable on the computer and connect it to the system board.
3. Install:
a. palmrest
b. keyboard
c. keyboard trim
d. hard drive
e. base cover
f. battery .
4. Follow the procedures in After Working Inside Your computer .
Removing the I/O Board
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a. battery
b. base cover
c. hard drive
d. keyboard trim
e. keyboard
f. palmrest
3. Perform the following steps as shown in the illustration:
a. Lift the latch [1].
b. Disconnect the I/O cable from the system board [2].
c. Remove the screw that secures the I/O board to the computer. [3].
d. Remove the I/O board from the computer [4].
Installing the Speaker
1. Place the I/O board in its slot and snap it in place.
2. Tighten the screws to secure the I/O board.
3. Connect the I/O cable to the system board.
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