Removing The System Board
........................................................................................................61
Installing The System Board
..........................................................................................................62
4 Troubleshooting Your System......................................................................... 64
Safety First—For You And Your System
..............................................................................................64
Troubleshooting System Startup Failure
............................................................................................64
Troubleshooting External Connections
.............................................................................................64
Troubleshooting The Video Subsystem
.............................................................................................64
Troubleshooting A USB Device
.......................................................................................................... 64
Troubleshooting A Serial I/O Device
..................................................................................................65
Troubleshooting A NIC
....................................................................................................................... 65
Troubleshooting A Wet System
..........................................................................................................66
Troubleshooting A Damaged System
................................................................................................ 66
Troubleshooting The System Battery
.................................................................................................67
Troubleshooting The Power Supply
...................................................................................................67
Troubleshooting Cooling Problems
...................................................................................................68
Troubleshooting Cooling Fans
...........................................................................................................68
Troubleshooting System Memory
......................................................................................................68
Troubleshooting An Internal USB Key
................................................................................................69
Troubleshooting An SD Card
..............................................................................................................70
Troubleshooting An Optical Drive
......................................................................................................70
Troubleshooting A Hard Drive
.............................................................................................................71
Troubleshooting Expansion Cards
......................................................................................................71
Troubleshooting The Processor
......................................................................................................... 72
5 Using System Diagnostics................................................................................. 73
Dell Embedded System Diagnostics
...................................................................................................73
When To Use The Embedded System Diagnostics
......................................................................73
Running The Embedded System Diagnostics
.............................................................................. 73
System Diagnostic Controls
..........................................................................................................73
6 Jumpers And Connectors................................................................................. 75
System Board Jumper Settings
...........................................................................................................75
System Board Connectors
..................................................................................................................76
Disabling A Forgotten Password
.........................................................................................................77
7 Technical Specifications....................................................................................78
8 System Messages................................................................................................ 82
System Error Messages
....................................................................................................................... 82
Warning Messages
...............................................................................................................................91
Diagnostic Messages
........................................................................................................................... 91
Содержание PowerEdge R220
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