Table 1. OptiPlex 3280 All-in-One screw list
Component
Screw type
Quantity
Screw image
Cable cover—optional
M3x9
1
System-board shield
M3x5
5
Bottom cover
M3x5
4
M.2 2230 solid-state drive
M2x2.5
1
M.2 2280 solid-state drive/
Intel Optane memory
M2x2.5
1
System fan
M3x5
3
Wireless-card shield
M2x2.5
2
Wireless card
M2x2.5
1
Camera assembly
M3x5
2
Camera door
M3x5
2
Heat sink—UMA
Captive screws
5
Rear-I/O bracket
M3x5
4
System board
M3x5
7
Speakers
M3 4+7.1xZN
4
Power-button board
M3x5
1
Microphones
M2x2.5
2
Side I/O-board shield
M3x5
2
Side-I/O board
M2.5x3.5
2
Removing and installing components
11