Power Supply; Removing The Power Supply - Dell OptiPlex 990 Mini-Tower Service Manual

Power Supply

Removing The Power Supply

1. Follow the procedures in
cover .
2. Remove the
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.
Before Working Inside Your Computer .
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