Dell OptiPlex GX50, User Manual

Page: 68 / 276

66 Installing Upgrades
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NOTE:
To meet PC99
requirements, your Dell
computer uses only PCI
expansion slots. Industry-
Standard Architecture
(ISA) expansion cards are
not supported.
NOTICE:
Before disconnecting a device from the computer or removing a
component from the system board, verify that the standby power light on the
system board has turned off.
Installing an Expansion Card
CAUTION: Before you perform this procedure, see “ Safety
Instructions .”
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. To locate this light, see “
System
Board Components .”
1
If you are replacing an expansion card, remove the current driver for
the expansion card from the operating system.
2
Turn off the computer and devices, disconnect them from their
electrical outlets, wait 10 to 20 seconds.
3
Open the computer cover .
4
If you have a small desktop computer, remove the expansion-card cage .