Dell OptiPlex 780 User Manual download pdf (Page 77)

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System Board

Dell™ OptiPlex™ 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 System Board

1. Follow the procedures in Before Working Inside Your Computer.

2. Remove the memory

3. Remove the video card

4. Remove the heat sink

5. Disconnect the processor fan cable.

6. Disconnect the processor power cable.

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Dell OptiPlex 780 User Manual Page 77