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Dell OptiPlex 990 (Early 2011) User Manual

Page 42

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8. Disconnect the 24-pin power cable from the system board.

9. Remove the screws that secure the power supply, from the back of the

computer.

10. Push in on the blue release tab beside the power supply, and slide the

power supply towards the front of the computer.

11. Lift the power supply out of the computer.

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