Dell Latitude E6540 - Disconnecting Cables from System Board

h) base cover
i) base corner caps
j) power connector
k) coin-cell battery
l) memory
m) WLAN card
n) WWAN card
o) heat-sink assembly
p) processor
q) palmrest assembly
r) VGA board
s) ExpressCard cage
3. Perform the following steps as shown in the illustration:
a) Disconnect the WiFi-switch from the system board.
b) Disconnect the speaker cables from the system board.
4. Remove the screws that secure the system board to the computer.
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