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Dell OptiPlex All-in-One Plus 7420 - Back cover; Removing the back cover; Installing the back cover

Dell OptiPlex All-in-One Plus 7420
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Next steps
1. Follow the procedure in After working inside your computer.
Back cover
Removing the back cover
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the stand.
About this task
NOTE: Before removing the base cover, ensure that there is no SD card installed in the SD-card slot on your computer.
The following image indicates the location of the back cover and provides a visual representation of the removal procedure.
Figure 19. Removing the back cover
Steps
1. Press down on the tab that secures the back cover to the display-assembly base.
2. Slide and lift the back cover off the display-assembly base.
Installing the back cover
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
Removing and installing Customer Replaceable Units (CRUs)
43

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