Troubleshooting SD card
.................................................................................................................. 131
Troubleshooting optical drive
...........................................................................................................132
Troubleshooting tape backup unit
................................................................................................... 133
Troubleshooting HDD
.......................................................................................................................133
Troubleshooting storage controller
................................................................................................. 134
Troubleshooting expansion cards
.................................................................................................... 135
Troubleshooting processors
.............................................................................................................135
System messages
.............................................................................................................................. 136
Warning messages
...................................................................................................................... 136
Diagnostic messages
...................................................................................................................136
Alert messages
.............................................................................................................................136
6 Using system diagnostics................................................................................ 137
Dell Embedded System Diagnostics
.................................................................................................137
When to use Embedded System Diagnostics
.............................................................................137
Running Embedded System Diagnostics from Boot Manager
.................................................. 137
Running Embedded System Diagnostics from Dell Lifecycle Controller
..................................137
System diagnostic controls
.........................................................................................................138
7 Jumpers and connectors................................................................................ 139
System board jumper settings
.......................................................................................................... 139
System board connectors
................................................................................................................ 140
Disabling forgotten password
...........................................................................................................142
8 Technical specifications..................................................................................143
9 Getting help.......................................................................................................149
Contacting Dell
................................................................................................................................. 149
Locating your system Service Tag
....................................................................................................149
Documentation feedback
.................................................................................................................149
Quick Resource Locator
..................................................................................................................149