Dell OptiPlex All-in-One Plus 7420 - Major Internal Components Overview

Table 22. Screw list(continued)
Component Screw type Quantity Screw image
I/O bracket M3x5 2
Heat sink Captive 5
Power-supply unit M3x5 3
Power-supply connector cable
bracket
M3x5 2
Power-supply fan M3x5 2
System board M3x5 7
M3x12 1
Power-button and I/O board
shield
M3x5 3
Power-button and I/O board M3x5 2
Audio board shield M3x5 3
Audio board M3x5 2
Major components of your OptiPlex All-in-One Plus
7420
The following image shows the major components of your OptiPlex All-in-One Plus 7420.
Working inside your computer
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