Dell OptiPlex 9020 All In One (Mid 2013) - Manual (Page 41)

Installing the Camera
1. Tighten the screws to secure the camera to the chassis.
2. Connect the camera cable and fix the latch.
3. Install:
a) display panel
b) system board
c) power-supply fan
d) heat-sink assembly
e) power supply unit
f) processor fan
g) converter board
h) power and OSD buttons board
i) intrusion switch
j) hard drive
k) optical drive
l) WLAN card
m) input/output (I/O) board shield
n) system-board shield
o) VESA mount bracket
p) back cover
q) VESA stand
4. Follow the procedures in After Working Inside Your Computer .
41