Power supply, Removing an expansion card, Removing the power supply – Dell PowerEdge SC 420 User Manual
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5.
Prepare the card for installation.
See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your
system.
6.
Place the card-edge connector in the expansion-card connector and press down firmly. Ensure that the card is fully seated in the slot.
7.
Lower the retention arm, ensuring that:
a.
The tops of all cards and filler brackets are flush with the alignment bar.
b.
The notch in the top of the card or filler bracket fits around the alignment guide.
8.
Press the retention arm into place, securing the card(s) in the system.
9.
Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's cable connections.
10.
Close the system. See "
Closing the System
" in "Troubleshooting Your System."
11.
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
12.
Install any device drivers required for the card as described in the documentation for the card.
Removing an Expansion Card
1.
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2.
Open the system. See "
Opening the System
" in "Troubleshooting Your System."
3.
Press the lever on the retention arm and raise the retention arm. See
4.
If necessary, disconnect any cables from 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 empty card-slot opening.
7.
Lower the retention arm and press it into place, securing the remaining card(s) in the system. See
.
8.
Close the system. See "
Closing the System
" in "Troubleshooting Your System."
9.
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
10.
Remove the card's device driver from the operating system.
Power Supply
Removing the Power Supply
NOTE:
Some NICs automatically start the system when they are connected to a network.
NOTICE:
Do not route card cables over or behind the cards. Cables routed over the cards can prevent the system cover from closing properly or cause
damage to the equipment.
CAUTION:
See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.
NOTE:
Filler brackets must be installed over empty expansion card slots to maintain FCC certification of the system. The brackets also keep dust
and dirt out of the system and aid in proper cooling and airflow inside the system.