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1. Shut down the computer.
2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
4. Remove the computer stand, if it is attached.
5. Open the computer cover.
6. Remove the card cage.
a. Check any cables connected to cards through the back-panel openings. Disconnect any cables that will not reach the card cage once it is
removed from the computer.
b. Gently pull on the handle and lift the card cage up and away from the computer.
7. Press the lever on the retention arm and raise the retention arm.
8. If you are installing a new card, remove the filler bracket to create an empty card-slot opening.
If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card. Grasp
the card by its top corners, and ease it out of its connector.
9. Prepare the card for installation.
See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your
computer.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.