Installing System Board - Dell Latitude 5491 Service Manual

Installing system board

1 Align the system board with the screw holders on the computer.
NOTE: Insert the cables through the openings in the keyboard area while placing the system board in the computer.
2 Replace the four (M2x3) screws to secure the system board to the system.
3 Place the metal bracket to secure the DisplayPort over USB Type-C.
4 Replace the two (M2x3) screws to secure the metal bracket on the DisplayPort over USB Type-C.
5 Connect the power connector port cable to the connector on the system board.
6 Connect the display cables to the connectors on the system board and affix the tape that secures the display cable to the system.
7 Place the display cable metal bracket over the display cable.
8 Replace the two M2x3 screws to secure the metal bracket.
9 Flip over the system and open the system in working mode.
10 Connect the following cables:
a Touchpad cable
b LED board cable
c USH board cable
d speaker cable
11 Install the:
a system fan
b chassis frame
c heat sink
d keyboard
e keyboard lattice
f WWAN card (optional)
44 Disassembly and reassembly