Safety First—For You And Your System
............................................................................................................... 129
Troubleshooting System Startup Failure
.............................................................................................................. 129
Troubleshooting External Connections
.................................................................................................................129
Troubleshooting The Video Subsystem
................................................................................................................ 129
Troubleshooting A USB Device
............................................................................................................................ 129
Troubleshooting A Serial I/O Device
.................................................................................................................... 130
Troubleshooting A NIC
..........................................................................................................................................130
Troubleshooting A Wet System
............................................................................................................................131
Troubleshooting A Damaged System
................................................................................................................... 131
Troubleshooting The System Battery
................................................................................................................... 132
Troubleshooting A Non-Redundant Power Supply
...............................................................................................132
Troubleshooting Redundant Power Supplies
....................................................................................................... 133
Troubleshooting Cooling Problems
.......................................................................................................................133
Troubleshooting Cooling Fans
.............................................................................................................................. 133
Troubleshooting System Memory
.........................................................................................................................133
Troubleshooting An Internal USB Key
..................................................................................................................134
Troubleshooting An SD Card
................................................................................................................................ 135
Troubleshooting An Optical Or Tape Drive
...........................................................................................................135
Troubleshooting A Hard Drive
.............................................................................................................................. 136
Troubleshooting Expansion Cards
........................................................................................................................136
Troubleshooting Processor
.................................................................................................................................. 137
6 Using System Diagnostics..................................................................................................... 139
Dell Online Diagnostics
.........................................................................................................................................139
Dell Embedded System Diagnostics
..................................................................................................................... 139
When To Use The Embedded System Diagnostics
........................................................................................139
Running The Embedded System Diagnostics
.................................................................................................139
System Diagnostic Controls
........................................................................................................................... 140
7 Jumpers And Connectors...................................................................................................... 141
System Board Jumper Settings
............................................................................................................................141
System Board Connectors
....................................................................................................................................142
Disabling A Forgotten Password
.......................................................................................................................... 143
8 Technical Specifications....................................................................................................... 145
9 System Messages...................................................................................................................151
LCD Messages
......................................................................................................................................................151
Viewing LCD Messages
................................................................................................................................. 151
Removing LCD Messages
...............................................................................................................................151
System Error Messages
........................................................................................................................................151
Warning Messages
...............................................................................................................................................167
Summary of Contents for External OEMR T320
Page 8: ...Diagnostic Messages 167 Alert Messages 167 10 Getting Help 169 Contacting Dell 169 ...
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