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Dell OptiPlex All-in-One Plus 7420 - Power-Supply Unit Removal and Installation

Dell OptiPlex All-in-One Plus 7420
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Power-supply unit
Removing the power-supply unit
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the stand.
3. Remove the back cover.
4. Remove the system-board shield.
5. Remove the I/O cover.
About this task
The following image indicates the location of the power-supply unit and provides a visual representation of the removal
procedure.
Figure 49. Removing the power-supply unit
76
Removing and installing Customer Replaceable Units (CRUs)

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