Dell OptiPlex GX240 User Manual
Page 72
74
Installing Upgrades
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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.
8
Lower the retention arm and press it into place, securing the
expansion card(s) in the computer.
9
If you have a small desktop computer,
replace the expansion-card cage
10
, 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.
11
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.
12
If you removed a sound card, enter system setup, perform the
following steps:
a
, select Integrated Devices, and change the
setting for Sound to On.
b
Connect external audio devices to the audio connectors on the I/O
panel (see “
I/O Panel—Small Form-Factor, Desktop, and Mini-
”).
13
If you removed an add-in network adapter, perform the following steps:
a
, select Integrated Devices and change the
setting for Network Interface Card to On.
b
Connect the network cable to the integrated connector on the I/O
panel (see “
I/O Panel—Small Form-Factor, Desktop, and Mini-
”).