Installing The Hard-Drive Backplane...............................................................................................................86
Removing The Hard-Drive Backplane (Back)..................................................................................................87
Installing The Hard-Drive Backplane (Back)....................................................................................................89
Control Panel..........................................................................................................................................................90
Removing The Control Panel............................................................................................................................90
Installing The Control Panel.............................................................................................................................91
Removing The I/O Panel...................................................................................................................................91
Installing The I/O Panel....................................................................................................................................92
System Board..........................................................................................................................................................93
Removing The System Board...........................................................................................................................93
Installing The System Board............................................................................................................................95
4 Troubleshooting Your System.................................................................................................97
Safety First—For You And Your System.................................................................................................................97
Troubleshooting System Startup Failure................................................................................................................97
Troubleshooting External Connections...................................................................................................................97
Troubleshooting The Video Subsystem..................................................................................................................97
Troubleshooting A USB Device..............................................................................................................................97
Troubleshooting A Serial I/O Device......................................................................................................................98
Troubleshooting A NIC............................................................................................................................................98
Troubleshooting A Wet System..............................................................................................................................98
Troubleshooting A Damaged System.....................................................................................................................99
Troubleshooting The System Battery...................................................................................................................100
Troubleshooting Power Supplies..........................................................................................................................100
Troubleshooting Cooling Problems.......................................................................................................................100
Troubleshooting Cooling Fans..............................................................................................................................101
Troubleshooting System Memory.........................................................................................................................101
Troubleshooting An Internal USB Key..................................................................................................................102
Troubleshooting An SD Card................................................................................................................................102
Troubleshooting An Optical Drive.........................................................................................................................103
Troubleshooting A Tape Backup Unit...................................................................................................................103
Troubleshooting A Hard Drive..............................................................................................................................104
Troubleshooting A Storage Controller..................................................................................................................104
Troubleshooting Expansion Cards........................................................................................................................105
Troubleshooting Processors.................................................................................................................................106
5 Using System Diagnostics.....................................................................................................107
Dell Online Diagnostics.........................................................................................................................................107
Dell Embedded System Diagnostics.....................................................................................................................107
When To Use The Embedded System Diagnostics........................................................................................107
Running The Embedded System Diagnostics.................................................................................................107
System Diagnostic Controls...........................................................................................................................108
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