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8 Contents
Troubleshooting a Serial I/O Device . . . . . . . 138
Troubleshooting a USB Device
. . . . . . . . . . 138
Troubleshooting a NIC
. . . . . . . . . . . . . . . . . 140
Troubleshooting a Wet System
. . . . . . . . . . . . . 141
Troubleshooting a Damaged System
. . . . . . . . . . 142
Troubleshooting the System Battery
. . . . . . . . . . 143
Troubleshooting Redundant Power Supplies
. . . . . 143
Troubleshooting System Cooling Problems
. . . . . . 145
Troubleshooting a Fan
. . . . . . . . . . . . . . 145
Troubleshooting System Memory
. . . . . . . . . . . 146
Troubleshooting an Internal USB Memory Key
. . . . 148
Troubleshooting a Diskette Drive
. . . . . . . . . . . 149
Troubleshooting an Optical Drive
. . . . . . . . . . . 151
Troubleshooting a SCSI Tape Drive
. . . . . . . . . . 152
Troubleshooting a Hard Drive
. . . . . . . . . . . . . 153
Troubleshooting a Hot-pluggable Hard Drive
. . . . . 155
Troubleshooting a SAS or SAS RAID Controller
. . . . 157
Troubleshooting Expansion Cards
. . . . . . . . . . . 159
Troubleshooting the Microprocessor
. . . . . . . . . 161
5 Running the System Diagnostics . . . . . . 163
Using Dell PowerEdge Diagnostics . . . . . . . . . . 163