System board, Removing the system board – Dell OptiPlex 780 User Manual

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System Board

Dell™ OptiPlex™ 780 Ultra Small Form Factor—Service Manual

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

NOTE:

You may need to install Adobe® Flash® Player from Adobe.com in order to view the illustrations below.

1. Follow the procedures in

Before Working Inside Your Computer

2. Remove the

cover

3. Remove the

front bezel

4. Remove the

drive cage

5. Remove the

heat sink and processor

6. Remove the

power supply

7. Remove the

memory

8. Remove the

I/O board

9. Remove the

wireless local area network card

10. Remove the

internal speaker

11. Disconnect the optical-drive, hard-drive, internal speaker, and control-panel cables from the system board.