Dell OptiPlex GX240 User Manual page 80

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I n s t a l l i n g U pg r ad e s
Press the lever on the retention arm and raise the retention arm (see
4
the illustration for your computer in
If necessary, disconnect any cables connected to the card.
5
Grasp the card by its top corners, and ease it out of its connector.
6
If you are removing the card permanently, install a filler bracket in the
7
empty card-slot opening.
If you need a filler bracket,
NOTE:
Installing filler brackets over empty card-slot openings is
necessary to maintain Federal Communications Commission (FCC)
certification of the computer. The brackets also keep dust and dirt out of
your computer.
Lower the retention arm and press it into place, securing the
8
expansion card(s) in the computer.
If you have a small desktop computer,
9
Close the computer
10
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.
Reset the chassis intrusion detector
11
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.
If you removed a sound card, perform the following steps:
12
Enter system setup, select Integrated Devices, and change the
a
setting for Sound to On.
Connect external audio devices to the audio connectors on the I/O
b
panel (see "I/O Panel—Small Form-Factor, Desktop, and Mini-
Tower Computers").
If you removed an add-in network adapter, perform the following steps:
13
Enter system setup, select Integrated Devices and change the
a
setting for Network Interface Card to On.
"Installing an Expansion
contact Dell.
replace the expansion-card
cover, reconnect the computer and devices to
by changing Chassis Intrusion to
Card").
cage.