Dell Latitude E7450/7450 (Late 2014) - Manual (Page 30)

a. palmrest
b. hard drive
c. keyboard
d. keyboard trim
e. base cover
f. battery
7. Follow the procedures in After Working Inside Your computer .
Removing the System Board
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove:
a. battery
b. base cover
c. keyboard trim
d. keyboard
e. hard drive
f. palmrest
g. WWAN card
h. WLAN card
i. hinge cover
j. display assembly
3. Disconnect the display assembly cable from the computer.
4. Perform the following steps as shown in the illustration:
a. Disconnect the speaker cable [1].
b. Lift the tab that secures I/O board cable [2].
c. Disconnect the I/O board cable from system board [3].
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