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Safety First—For You And Your System............................................................................................................... 127
Troubleshooting System Startup Failure.............................................................................................................. 127
Troubleshooting External Connections.................................................................................................................127
Troubleshooting The Video Subsystem................................................................................................................ 127
Troubleshooting A USB Device............................................................................................................................ 127
Troubleshooting A Serial I/O Device.................................................................................................................... 128
Troubleshooting A NIC..........................................................................................................................................128
Troubleshooting A Wet System............................................................................................................................129
Troubleshooting A Damaged System................................................................................................................... 129
Troubleshooting The System Battery................................................................................................................... 130
Troubleshooting A Non-Redundant Power Supply...............................................................................................130
Troubleshooting Redundant Power Supplies....................................................................................................... 131
Troubleshooting Cooling Problems.......................................................................................................................131
Troubleshooting Cooling Fans.............................................................................................................................. 131
Troubleshooting System Memory.........................................................................................................................131
Troubleshooting An Internal USB Key..................................................................................................................132
Troubleshooting An SD Card................................................................................................................................ 133
Troubleshooting An Optical Or Tape Drive...........................................................................................................133
Troubleshooting A Hard Drive.............................................................................................................................. 134
Troubleshooting Expansion Cards........................................................................................................................134
Troubleshooting Processor.................................................................................................................................. 135
6 Using System Diagnostics..................................................................................................... 137
Dell Online Diagnostics.........................................................................................................................................137
Dell Embedded System Diagnostics.....................................................................................................................137
When To Use The Embedded System Diagnostics........................................................................................137
Running The Embedded System Diagnostics.................................................................................................137
System Diagnostic Controls........................................................................................................................... 138
7 Jumpers And Connectors...................................................................................................... 139
System Board Jumper Settings............................................................................................................................139
System Board Connectors....................................................................................................................................140
Disabling A Forgotten Password.......................................................................................................................... 141
8 Technical Specifications....................................................................................................... 143
9 System Messages...................................................................................................................149
LCD Messages......................................................................................................................................................149
Viewing LCD Messages................................................................................................................................. 149
Removing LCD Messages...............................................................................................................................149
System Error Messages........................................................................................................................................149
Warning Messages...............................................................................................................................................165