Table 1. OptiPlex 7780 All-in-One screw list(continued)
Component
Screw type
Quantity
Screw image
Camera door
M3x5
2
Heat sink—UMA
Captive screws
5
Heat sink—Discrete
Captive screws
9
Power-supply unit (PSU)
M3x5
2
PSU fan
M3x5
2
Rear-I/O bracket
M3x5
4
System board
M3x5
9
Speakers
M3 4+7.1xZN
9
Power-button board
M3x5
1
Microphones
M2x2.5
4
Side I/O-board shield
M3x5
2
Side-I/O board
M2.5x3.5
2
Antenna modules
M2x2.5
2
Display panel
M3x5
12
Middle frame
M3x5
16
Audio board
M3x5
1
Removing and installing components
11