XPS 8940 Service Manual
Installing the power-supply unit
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: The cables and ports on the back of the power-supply unit are color-coded to indicate the different power wattage. Ensure that you plug in the cable to the correct port. Failure to do so may result in damaging the power-supply unit and/or computer components.
About this task
The following images indicate the location of the power-supply unit and provide a visual representation of the installation procedure.
Steps
- Slide the power-supply unit into the chassis until the securing tab snaps into position.
- Replace the three screws (#6-32) that secure the power-supply unit to the chassis.
- Route the power cable through the routing guides on the chassis and connect the power cables to their respective connectors on the system board.
Next steps
- Install the graphics card.
- Install the left-side cover.
- Follow the procedure in After working inside your computer.
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