Dell DR4300 - Page 7

System diagnostic controls......................................................................................................... 171
7 Jumpers and connectors.................................................................................172
System board jumper settings.......................................................................................................... 172
System board jumpers and connectors........................................................................................... 173
Disabling a forgotten password........................................................................................................175
8 Troubleshooting your system........................................................................ 176
Safety first — for you and your system.............................................................................................176
Troubleshooting system startup failure............................................................................................176
Troubleshooting external connections............................................................................................176
Troubleshooting the video subsystem............................................................................................. 176
Troubleshooting a USB device..........................................................................................................177
Troubleshooting iDRAC Direct (USB XML configuration)................................................................178
Troubleshooting iDRAC Direct (Laptop connection)...................................................................... 178
Troubleshooting a serial I/O device................................................................................................. 179
Troubleshooting a NIC......................................................................................................................179
Troubleshooting a wet system.........................................................................................................180
Troubleshooting a damaged system................................................................................................ 181
Troubleshooting the system battery.................................................................................................181
Troubleshooting power supply units............................................................................................... 182
Troubleshooting power source problems................................................................................. 182
Troubleshooting power supply unit problems...........................................................................182
Troubleshooting cooling problems..................................................................................................183
Troubleshooting cooling fans.......................................................................................................... 184
Troubleshooting system memory....................................................................................................184
Troubleshooting an internal USB key...............................................................................................185
Troubleshooting an SD card.............................................................................................................186
Troubleshooting an optical drive......................................................................................................187
Troubleshooting a tape backup unit................................................................................................ 187
Troubleshooting a hard drive........................................................................................................... 188
Troubleshooting a storage controller.............................................................................................. 189
Troubleshooting expansion cards....................................................................................................190
Troubleshooting processors............................................................................................................. 191
System messages...............................................................................................................................191
Warning messages.......................................................................................................................191
Diagnostic messages................................................................................................................... 191
Alert messages.............................................................................................................................192
9 Getting help.......................................................................................................193
Contacting Dell................................................................................................................................. 193
Documentation feedback.................................................................................................................193
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