Dell OptiPlex GX50 User Manual page 74

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In s ta l l i n g Up g r a d es
1 Filler bracket
2 Alignment guide
3 Alignment bar
4 Retention arm
If you have a small desktop computer,
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Connect any cables that should be attached to the card.
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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.
Close the computer
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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
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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 installed a sound card, enter system setup, perform the following
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steps:
Enter system setup, select Integrated Devices, and change the
a
setting for Sound to Off.
Connect external audio devices to the sound card's connectors.
b
Do not connect external audio devices to the microphone,
speaker/headphone, or line-in connectors on the I/O panel (see
"I/O Panel—Small Form-Factor, Desktop, and Mini-Tower
Computers").
If you installed an add-in network adapter, perform the following steps:
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replace the expansion-card
cover, reconnect the computer and devices to
by changing Chassis Intrusion to
cage.