Installing The Smartcard Reader; Led Board; Removing The Led Board - Dell Precision 3520 Owner's Manual

Installing the SmartCard reader

1 Place the SmartCard reader on the computer.
2 Tighten the M2.0x3.0 screws to secure the SmartCard reader to the computer.
3 Affix the SmartCard reader cable and connect the cable to the connector.
4 Install the:
a chassis frame
b SSD card or hard drive
c WWAN card
d WLAN card
e battery
f base cover
5 Follow the procedure in

LED board

Removing the LED board

1 Follow the procedure in
2 Remove the:
32 Removing and installing components
After working inside your computer.
Before working inside your computer.