Dell OptiPlex GX240 - Manual (Page 70)

72 Installing Upgrades
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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.
CAUTION: Some network adapters automatically start the
computer when they are connected to a network. To guard against
electrical shock, be sure to unplug your computer from its
electrical outlet before installing any expansion cards. Verify that
the standby power light on the system board is off. To locate this
light, see “ System Board Components .”
9 Insert the expansion card into the expansion-card connector.
If the expansion card is full-length, insert the end of the card into the
expansion-card guide bracket as you lower the card toward its
connector on the system board. Insert the card firmly into the
expansion-card connector on the system board.
10 Lower the retention arm and press it into place, securing the
expansion card(s) in the computer.
11 If you have a small desktop computer, replace the expansion-card cage .
12 Connect any cables that should be attached to the card.
See the documentation for the card for information about the card’s
cable connections.
NOTICE: Do not route expansion card cables over or behind the expansion
cards. Cables routed over the expansion cards can prevent the computer cover
from closing properly or cause damage to the equipment.
13 Close the computer cover , reconnect the computer and devices to
their electrical outlets, and turn them on.
NOTE: After you open and close the cover, the chassis intrusion detector
causes the following message to appear on the screen at the next computer
start-up:
ALERT! Cover was previously removed.
14 Reset the chassis intrusion detector by changing Chassis Intrusion to
Enabled or Enabled-Silent.
NOTE: If a setup password has been assigned by someone else, contact
your network administrator for information on resetting the chassis
intrusion detector.
15 If you installed a sound card, enter system setup, perform the following
steps: