Dell OptiPlex GX240 User Manual
Page 72
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70
I n s t a l l i n g U p g r a d e s
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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, and wait 10 to 20 seconds.
3
Open the computer cover
.
4
If you have a small desktop computer,
remove the expansion-card cage
.
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