Troubleshooting A USB Device.............................................................................................................................. 83Troubleshooting A Serial I/O Device...................................................................................................................... 84Troubleshooting A NIC............................................................................................................................................84Troubleshooting A Wet System.............................................................................................................................. 85Troubleshooting A Damaged System..................................................................................................................... 85Troubleshooting The System Battery..................................................................................................................... 86Troubleshooting Power Supplies............................................................................................................................86Troubleshooting Cooling Problems.........................................................................................................................87Troubleshooting Cooling Fans..........................................................................................................................87Troubleshooting System Memory...........................................................................................................................87Troubleshooting An Internal USB Key....................................................................................................................88Troubleshooting An SD Card.................................................................................................................................. 88Troubleshooting A Hard Drive................................................................................................................................ 89Troubleshooting A Storage Controller....................................................................................................................90Troubleshooting Expansion Cards.......................................................................................................................... 90Troubleshooting Processors...................................................................................................................................915 Using System Diagnostics....................................................................................................... 93Dell Embedded System Diagnostics....................................................................................................................... 93When To Use The Embedded System Diagnostics.......................................................................................... 93Running The Embedded System Diagnostics...................................................................................................93System Diagnostic Controls............................................................................................................................. 936 Jumpers And Connectors........................................................................................................ 95System Board Jumper Settings.............................................................................................................................. 95System Board Connectors......................................................................................................................................96Disabling A Forgotten Password............................................................................................................................ 987 Technical Specifications......................................................................................................... 998 System Messages...................................................................................................................105System Error Messages........................................................................................................................................105Warning Messages...............................................................................................................................................118Diagnostic Messages........................................................................................................................................... 118Alert Messages.....................................................................................................................................................1199 Getting Help..............................................................................................................................121Contacting Dell..................................................................................................................................................... 121Related Documentation........................................................................................................................................ 121Documentation Feedback.....................................................................................................................................122