Installing The Hard-Drive Backplane.............................................................................................................103
Control Panel Assembly........................................................................................................................................104
Removing The Control-Panel Assembly.........................................................................................................104
Installing The Control-Panel Assembly..........................................................................................................105
System Board........................................................................................................................................................105
Removing The System Board.........................................................................................................................105
Installing The System Board.......................................................................................................................... 107
4 Troubleshooting Your System............................................................................................... 109
Safety First—For You And Your System............................................................................................................... 109
Troubleshooting System Startup Failure.............................................................................................................. 109
Troubleshooting External Connections.................................................................................................................109
Troubleshooting The Video Subsystem................................................................................................................109
Troubleshooting A USB Device............................................................................................................................ 109
Troubleshooting A Serial I/O Device.................................................................................................................... 110
Troubleshooting A NIC..........................................................................................................................................110
Troubleshooting A Wet System............................................................................................................................110
Troubleshooting A Damaged System................................................................................................................... 111
Troubleshooting The System Battery................................................................................................................... 112
Troubleshooting Power Supplies..........................................................................................................................112
Troubleshooting Cooling Problems.......................................................................................................................112
Troubleshooting Cooling Fans.............................................................................................................................. 113
Troubleshooting System Memory.........................................................................................................................113
Troubleshooting An Internal USB Key..................................................................................................................114
Troubleshooting An SD Card................................................................................................................................ 114
Troubleshooting An Optical Drive.........................................................................................................................115
Troubleshooting A Tape Backup Unit...................................................................................................................115
Troubleshooting A Hard Drive.............................................................................................................................. 115
Troubleshooting A Storage Controller..................................................................................................................116
Troubleshooting Expansion Cards........................................................................................................................117
Troubleshooting Processors.................................................................................................................................117
5 Using System Diagnostics..................................................................................................... 119
Dell Online Diagnostics.........................................................................................................................................119
Dell Embedded System Diagnostics.....................................................................................................................119
When To Use The Embedded System Diagnostics........................................................................................119
Running The Embedded System Diagnostics.................................................................................................120
System Diagnostic Controls...........................................................................................................................120
6 Jumpers And Connectors...................................................................................................... 121
System Board Jumper Settings............................................................................................................................121
System Board Connectors....................................................................................................................................122