Troubleshooting system startup failure.............................................................................................90
Troubleshooting external connections.............................................................................................90
Troubleshooting the video subsystem...............................................................................................90
Troubleshooting USB drive.................................................................................................................90
Troubleshooting serial I/O device......................................................................................................91
Troubleshooting NIC...........................................................................................................................91
Troubleshooting a wet system...........................................................................................................92
Troubleshooting a damaged system..................................................................................................92
Troubleshooting system battery.........................................................................................................93
Troubleshooting PSUs........................................................................................................................93
Troubleshooting cooling problems...................................................................................................94
Troubleshooting cooling fans............................................................................................................94
Troubleshooting system memory......................................................................................................94
Troubleshooting HDD or SSD............................................................................................................95
Troubleshooting storage controller...................................................................................................96
Troubleshooting expansion cards......................................................................................................97
Troubleshooting processors...............................................................................................................97
System messages................................................................................................................................98
Warning messages........................................................................................................................98
Diagnostic messages....................................................................................................................98
Alert messages..............................................................................................................................98
5 Using system diagnostics..................................................................................99
Dell embedded system diagnostics...................................................................................................99
When to use embedded system diagnostics...............................................................................99
Running embedded system diagnostics......................................................................................99
System diagnostic controls........................................................................................................100
6 Jumpers and connectors................................................................................ 101
System board jumper settings..........................................................................................................101
System board connectors.................................................................................................................102
Disabling forgotten password..........................................................................................................104
7 Technical specifications..................................................................................1058 Getting help.......................................................................................................109
Contacting Dell.................................................................................................................................109