Dell OptiPlex Small Form Factor Plus 7020 - Page 114

The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Figure 70. Installing the system board
Steps
1. Align and lower the system board into the system until the stand-off points at the back of the system board align with those
on the chassis.
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Removing and installing Field Replaceable Units (FRUs)