Installing upgrades, Computer cover, Removing the computer cover – Dell OptiPlex GX400 User Manual
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Installing Upgrades
Dell™ OptiPlex™ GX400 System User's Guide
Computer Cover
Removing the Computer Cover
1.
Turn off the computer and peripherals, and disconnect them from their electrical outlets.
2.
If installed, remove the padlock from the padlock ring on the back panel.
3.
Remove the computer cover.
Perform the following steps:
a.
Face the back of the computer and slide the outer padlock ring to the left to unlock the cover release mechanism (see the following figure).
Chassis Cover Release Mechanism
b.
Press the cover release button located at the bottom-left corner of the front panel (see the following figure).
c.
Rotate the bottom of the cover outward, away from the chassis.
Removing the Chassis Cover
CAUTION:
Before you perform this procedure, see "
Safety First— For You and Your Computer
."