Table Of Contents - Dell OptiPlex 780 Service Manual

Table Of Contents

Desktop Computer1
Working On Your Computer3
Before Working Inside Your Computer3
Recommended Tools3
Turning Off Your Computer4
After Working Inside Your Computer4
Removing And Replacing Parts5
Technical Specifications6
When To Use The Dell Diagnostics12
Starting The Dell Diagnostics From Your Hard Drive12
Starting The Dell Diagnostics From The Drivers And Utilities Disc12
Power Button Light Codes13
Dell Diagnostics Main Menu13
Beep Codes14
Diagnostic Lights15
Entering System Setup17
Navigation Keystrokes17
Boot Menu17
System Setup Menu Options17
Removing The Cover22
Replacing The Cover23
Removing The Primary Hard Drive24
Replacing The Primary Hard Drive27
Removing The Floppy Drive28
Replacing The Floppy Drive31
Removing The Expansion Card(S)32
Removing The Memory Module(S)34
Replacing The Memory Module(S)35
Removing The Power Supply36
Replacing The Power Supply41
Removing The Fan42
Replacing The Fan44
Removing The System Board45
Replacing The System Board54
Removing The Optical Drive55
Replacing The Optical Drive58
Removing The Secondary Hard Drive (Optional)59
Replacing The Secondary Hard Drive62
Removing The Heat Sink And Processor70
Replacing The Heat Sink And Processor75
Removing The Coin-Cell Battery76
Replacing The Coin-Cell Battery77
Removing The Io Panel78
Replacing The Io Panel80