i.
audio-connector board
j.
hard drive
k. WLAN card
l.
WWAN card
m. system fan
n. heatsink
3.
Disconnect the following cables from the system board:
a. touchpad
b. audio connector
c. speaker
d. touch panel
e. network connector
f. display-cable bracket and display
g. power
4.
Remove the screws that secure the system board to the chassis.
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