8 |Contents
Installing the Sensor Board for 2.5” HDD System .......... 130
4 Troubleshooting Your System ................................................. 132
Safety First
For You and Your System
................................................... 132
Installation Problems
................................................................................ 132
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
.............................................................................. 135
Troubleshooting a Wet System
................................................................ 136
Troubleshooting a Damaged System
....................................................... 137
Troubleshooting the System Battery
........................................................ 137
Troubleshooting Power Supplies
............................................................. 138
Troubleshooting System Cooling Problems
............................................. 139
Troubleshooting a Fan
............................................................................... 139
Troubleshooting System Memory
............................................................. 140
Troubleshooting a Hard Drive
................................................................... 142
Troubleshooting a Storage Controller
...................................................... 143
Troubleshooting Expansion Cards
........................................................... 144
Troubleshooting Processors
..................................................................... 145
IRQ Assignment Conflicts
......................................................................... 146
5 Jumpers and Connectors ......................................................... 147
System Board Connectors
......................................................................... 147
Backplane Connectors
.............................................................................. 148