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Dell OptiPlex 990 Mini-Tower - Power Supply; Power Supply Removal and Installation

Dell OptiPlex 990 Mini-Tower
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16
Power Supply
Removing The Power Supply
1. Follow the procedures in
Before Working Inside Your Computer
.
2. Remove the
cover
.
3. Disconnect the power cables connected to the hard drive(s) and optical
drive(s).
4. Unthread the power cables from the clips in the computer.
5. Disconnect the 24-pin power cable from the system board.
47

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