System Board
........................................................................................................................................................126
Removing The System Board
.........................................................................................................................126
Installing The System Board
..........................................................................................................................127
4 Converting The System From Tower Mode To Rack Mode.............................................129
Safety Instructions
................................................................................................................................................129
Preparing A System For Conversion From Tower Mode To Rack Mode
.............................................................129
5 Troubleshooting Your System...............................................................................................133
Safety First—For You And Your System
...............................................................................................................133
Troubleshooting System Startup Failure
..............................................................................................................133
Troubleshooting External Connections
.................................................................................................................133
Troubleshooting The Video Subsystem
................................................................................................................133
Troubleshooting A USB Device
............................................................................................................................133
Troubleshooting A Serial I/O Device
....................................................................................................................134
Troubleshooting A NIC
..........................................................................................................................................134
Troubleshooting A Wet System
............................................................................................................................134
Troubleshooting A Damaged System
...................................................................................................................135
Troubleshooting The System Battery
...................................................................................................................136
Troubleshooting Power Supplies
..........................................................................................................................136
Troubleshooting Cooling Problems
.......................................................................................................................136
Troubleshooting Cooling Fans
..............................................................................................................................137
Troubleshooting System Memory
.........................................................................................................................137
Troubleshooting An Internal USB Key
..................................................................................................................138
Troubleshooting An SD Card
................................................................................................................................138
Troubleshooting An Optical Drive
.........................................................................................................................139
Troubleshooting A Hard Drive
..............................................................................................................................139
Troubleshooting Expansion Cards
........................................................................................................................140
Troubleshooting Processors
.................................................................................................................................140
6 Using System Diagnostics.....................................................................................................141
Dell Online Diagnostics
.........................................................................................................................................141
Dell Embedded System Diagnostics
.....................................................................................................................141
When To Use The Embedded System Diagnostics
........................................................................................141
Running The Embedded System Diagnostics
.................................................................................................141
System Diagnostic Controls
...........................................................................................................................142
7 Jumpers And Connectors......................................................................................................143
System Board Jumper Settings
............................................................................................................................143
System Board Connectors
....................................................................................................................................144
Disabling A Forgotten Password
..........................................................................................................................146
Содержание External OEMR XL T620
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