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
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