Dell Precision 650 - Manual (Page 66)

5. Lift the power supply away from the computer.
6. Slide the power supply cables out of the computer (through the hole).
Replacing the Power Supply
1. Slide the power supply cables through the hole into the computer.
2. Insert the power-supply securing tabs into the power-supply securing slot on the computer, ensuring that each securing tab is connected to its slot on
the computer.
3. Slide the power supply toward the front of the computer.
4. Install the card fan guide:
a. Place the card fan guide into the four securing slots in the computer.
b. Slide the card fan guide to the left until it locks into position.
5. Connect the power supply cables and the card fan cable.
6. Replace the card fan .
7. Install the cards .
8. Close the computer cover and restart the computer.
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1 power supply
2 power-supply securing tab
(5)
3 power-supply release
button