Dell OptiPlex GX50 - Manual (Page 60)

5 Lever
Replacing an Expansion Card
CAUTION: Use a wrist-grounding strap as explained in " Precautionary Measures ."
CAUTION: Some network cards automatically start the computer when they are connected. To guard
against electrical shock, be sure to unplug the computer from its electrical outlet before installing any
expansion cards.
1. Prepare the expansion card for installation.
See the documentation that came with the expansion card for information on configuring the card, making internal
connections, or otherwise customizing it for your computer.
2. Raise the lever that covers the card-slot opening on the back of the computer.
3. If there is a filler bracket, remove the filler bracket by raising the hinged lever and sliding the bracket up.
Replacing an Expansion Card—Small Form-Factor Computer
1 Expansion-card connector
2 Card-edge connector
3 Expansion card
Replacing an Expansion Card—Small Desktop Computer