Quick Reference Guide

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137
Adding or replacing an expansion card
To add or replace an expansion card:
1 Remove the side panel by following the instructions in “Removing the side panel” on
page 121.
2 For more stability, place your computer on its side. To avoid scratching the case, place it
on a towel or other non-abrasive surface.
3 If you are adding a new expansion card, go to the next step. If you are replacing an
expansion card, go to Step 7.
4 Disconnect any cables that are attached to the card, noting their locations and orientation.
(You may need to reconnect the cables after you install the new card.)
5 Open the card retention lever.
6 Remove the old expansion card. You can slightly seesaw the card end-to-end to loosen
the card, but do not bend the card sideways.
7 Install the new card into the expansion slot. You can slightly seesaw the card end-to-end
to help insert the card, but do not bend the card sideways.
8 Reconnect the expansion card cables (if any) using your notes from Step 4 or the
manufacturer’s instructions.
9 Replace the side panel.
Caution
Do not touch the contacts on the bottom part of the expansion card.
Touching the contacts can cause electrostatic damage to the card.
C
ard retention lever