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Power Supply — DellPrecision™450Computer
DellPrecision™Workstation650andDellPrecisionWorkstation450ServiceManual
Removing the Power Supply
Replacing the Power Supply
Removing the Power Supply
1. Disconnect the power supply cables from the system board.
2. Lift the handle on the power supply.
3. While pressing the release button, slide the power supply toward the front of the computer.
4. Lift the power supply away from the computer.
Replacing the Power Supply
1. 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.
2. Slide the power supply toward the back of the computer.
3. Connect the power supply cables.
4. Close the computer cover and restart the computer.
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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."