Dell Latitude 5491 - Installing LED Board; Smartcard Module; Removing Smart Card Reader Board

Installing LED board
1 Place the LED board in its slot on the system.
2 Replace the M2.0x2.0 screw to secure the LED board to the system.
3 Connect the LED cable to its connector on the LED board.
4 Install the:
a chassis frame
b WWAN card (optional)
c WLAN card
d SSD frame
e SSD card
f hard drive
g battery
h base cover
5 Follow the procedure in After working inside your computer.
SmartCard module
Removing smart card reader board
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a base cover
b battery
c hard drive
d SSD card
e SSD frame
f WLAN card
g WWAN card (optional)
h chassis frame
3 To release the smart card reader board:
a Lift the latch and disconnect the smart card reader board cable from the connector [1].
b Peel the cable from the palmrest [2].
Disassembly and reassembly
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