Removing The Power Supply - Dell OptiPlex 780 Service Manual

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Power Supply
Dell™ OptiPlex™ 780 Service Manual—Desktop
WARNING: Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.

Removing the Power Supply

1. Follow the procedures in
2. Remove the optical
3. Remove the secondary hard drive
4. Remove the hard
5. Disconnect the main power connector from the system board.
6. Disconnect the processor power connector from the system board.
Before Working Inside Your
drive.
(if present).
drive.
Computer.