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Hard Drive
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 Hard Drive

1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the drive cover.
3. Disconnect the data cable from the hard drive.
4. Disconnect the power cable from the hard drive.