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Dell™ OptiPlex™ 780 Service Manual—Mini-Tower
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 Cover

1. Follow the procedures in Before Working Inside Your Computer.
2. Pull back the cover release latch.
3. Tilt the system cover from the top outward.