Dell OptiPlex 790 (Early 2011) - Manual (Page 11)

Cover
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Removing the Cover
1. Follow the procedures in Before Working Inside Your Computer .
2. Pull up the cover-release-latch at the side of the computer.
3. Lift the cover upward to a 45–degree angle and remove it from the
computer.
Installing the Cover
1. Place the cover on the computer.
2. Press down on the cover till it clicks into place.
3. Follow the procedures in After Working Inside Your Computer .
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