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Safety First—For You And Your System............................................................................................................... 126
Troubleshooting System Startup Failure.............................................................................................................. 126
Troubleshooting External Connections.................................................................................................................126
Troubleshooting The Video Subsystem................................................................................................................ 126
Troubleshooting A USB Device............................................................................................................................ 126
Troubleshooting A Serial I/O Device.................................................................................................................... 127
Troubleshooting A NIC..........................................................................................................................................127
Troubleshooting A Wet System............................................................................................................................128
Troubleshooting A Damaged System................................................................................................................... 128
Troubleshooting The System Battery................................................................................................................... 129
Troubleshooting A Non-Redundant Power Supply...............................................................................................129
Troubleshooting Redundant Power Supplies....................................................................................................... 130
Troubleshooting Cooling Problems.......................................................................................................................130
Troubleshooting Cooling Fans.............................................................................................................................. 130
Troubleshooting System Memory.........................................................................................................................130
Troubleshooting An Internal USB Key..................................................................................................................131
Troubleshooting An SD Card................................................................................................................................ 132
Troubleshooting An Optical Or Tape Drive...........................................................................................................132
Troubleshooting A Hard Drive.............................................................................................................................. 133
Troubleshooting Expansion Cards........................................................................................................................133
Troubleshooting Processor.................................................................................................................................. 134
6 Using System Diagnostics..................................................................................................... 135
Dell Online Diagnostics.........................................................................................................................................135
Dell Embedded System Diagnostics.....................................................................................................................135
When To Use The Embedded System Diagnostics........................................................................................135
Running The Embedded System Diagnostics.................................................................................................135
System Diagnostic Controls........................................................................................................................... 136
7 Jumpers And Connectors...................................................................................................... 137
System Board Jumper Settings............................................................................................................................137
System Board Jumpers And Connectors............................................................................................................. 138
Disabling A Forgotten Password.......................................................................................................................... 140
8 Technical Specifications....................................................................................................... 141
9 System Messages...................................................................................................................146
LCD Messages......................................................................................................................................................146
Viewing LCD Messages................................................................................................................................. 146
Removing LCD Messages...............................................................................................................................146
System Error Messages........................................................................................................................................146
Warning Messages...............................................................................................................................................162