Dell Latitude 5491 - System Board

3 Connect the touchpad panel cable to the connector on the system board.
4 Install the:
a chassis frame
b SSD frame
c SSD card
d WWAN
e WLAN card
f battery
g base cover
5 Follow the procedure in After working inside your computer.
System board
Removing system board
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a SIM card
b base cover
c battery
d memory module
e hard drive
f SSD card
g SSD frame
h WLAN card
i WWAN card (optional)
j keyboard lattice
k keyboard
l heat sink
m chassis frame
n system fan
3 Disconnect the following cables from the system board:
a Touchpad cable [1]
b USH cable [2]
c LED board cable [3]
d Speaker cable [4]
Disassembly and reassembly
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