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OptiPlex 780
- page 27
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89 pages, 4.7 Mb
Replacing the Coin-Cell Battery
To replace the coin-cell battery, perform
the above steps in reverse order.
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Contents
Main
Dell OptiPlex 780 Service Manual
Mini-Tower Computer
Notes, Cautions, and Warnings
Page
Working on Your Computer
Dell OptiPlex 780 Service Manual
Recommended Tools
Before Working Inside Your Computer
Turning Off Your Computer
After Working Inside Your Computer
Removing and Replacing Parts
Technical Specifications
Page
Page
Page
Page
Page
Diagnostics
Dell OptiPlex 780 Service Manual
Dell Diagnostics
When to Use the Dell Diagnostics
Starting the Dell Diagnostics From Your Hard Drive
Power Button Light Codes
Beep Codes
Diagnostic Lights
Page
System Setup
Dell OptiPlex 780 Service ManualMini-Tower, Desktop, and Small Form Factor
Boot Menu
Navigation Keystrokes
Entering System Setup
Page
Page
Page
Page
Cover
Removing the Cover
Page
Page
Coin-Cell Battery
Removing the Coin-Cell Battery
Page
Page
Optical Drive
Removing the Optical Drive
Page
Page
Page
Video Card
Removing the Video Card
Page
Page
Hard Drive
Removing the Hard Drive
Page
Page
Page
Power Supply
Removing the Power Supply
Page
Page
Page
Page
Page
Page
Page
Processor
Removing the Processor
Page
Page
Drive Cover
Removing the Drive Cover
Page
Memory
Removing the Memory Module(s)
Page
Floppy Drive
Removing the Floppy Drive
Page
Page
Page
System Fan
Removing the System Fan
Page
Page
Page
Page
Page
Page
IO Panel
Removing the IO Panel
Page
Page
Page
Page
Page
Page
Page
Heat Sink
Dell OptiPlex 780 Service ManualMini-Tower
Removing the Heat Sink
Page
Page
Page
System Board
Dell OptiPlex Service ManualMini-Tower
Removing the System Board
