VGA Module............................................................................................................................................................81
Removing The VGA Module.............................................................................................................................81
Installing The VGA Module...............................................................................................................................82
System Board..........................................................................................................................................................83
Removing The System Board...........................................................................................................................83
Installing The System Board............................................................................................................................85
4 Troubleshooting Your System.................................................................................................87
Safety First—For You And Your System.................................................................................................................87
Troubleshooting System Startup Failure................................................................................................................87
Troubleshooting External Connections...................................................................................................................87
Troubleshooting The Video Subsystem..................................................................................................................87
Troubleshooting A USB Device..............................................................................................................................87
Troubleshooting A Serial I/O Device......................................................................................................................88
Troubleshooting A NIC............................................................................................................................................88
Troubleshooting A Wet System..............................................................................................................................88
Troubleshooting A Damaged System.....................................................................................................................89
Troubleshooting The System Battery.....................................................................................................................90
Troubleshooting Power Supplies............................................................................................................................90
Troubleshooting Cooling Problems.........................................................................................................................90
Troubleshooting Cooling Fans................................................................................................................................91
Troubleshooting System Memory...........................................................................................................................91
Troubleshooting An Internal USB Key....................................................................................................................92
Troubleshooting An SD Card..................................................................................................................................92
Troubleshooting An Optical Drive...........................................................................................................................93
Troubleshooting A Tape Backup Unit.....................................................................................................................93
Troubleshooting A Hard Drive................................................................................................................................94
Troubleshooting A Storage Controller....................................................................................................................94
Troubleshooting Expansion Cards..........................................................................................................................95
Troubleshooting Processors...................................................................................................................................96
5 Using System Diagnostics.......................................................................................................97
Dell Online Diagnostics...........................................................................................................................................97
Dell Embedded System Diagnostics.......................................................................................................................97
When To Use The Embedded System Diagnostics..........................................................................................97
Running The Embedded System Diagnostics...................................................................................................97
System Diagnostic Controls.............................................................................................................................98
6 Jumpers And Connectors........................................................................................................99
System Board Jumper Settings..............................................................................................................................99
System Board Connectors....................................................................................................................................100
Disabling A Forgotten Password..........................................................................................................................102
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