Preparing a system for conversion from tower mode to rack mode..............................................141
6 Troubleshooting your system........................................................................144
Safety first—for you and your system...............................................................................................144
Troubleshooting system startup failure........................................................................................... 144
Troubleshooting external connections............................................................................................144
Troubleshooting the video subsystem.............................................................................................144
Troubleshooting a USB device......................................................................................................... 144
Troubleshooting iDRAC Direct (USB XML configuration)................................................................145
Troubleshooting iDRAC Direct (Laptop connection)...................................................................... 146
Troubleshooting a serial I/O device................................................................................................. 146
Troubleshooting an NIC................................................................................................................... 146
Troubleshooting a wet system......................................................................................................... 147
Troubleshooting a damaged system................................................................................................148
Troubleshooting the system battery................................................................................................ 148
Troubleshooting power supply units............................................................................................... 149
Troubleshooting power source problems................................................................................. 149
Power supply unit problems.......................................................................................................149
Troubleshooting cooling problems................................................................................................. 150
Troubleshooting cooling fans.......................................................................................................... 150
Troubleshooting system memory.....................................................................................................151
Troubleshooting an internal USB key...............................................................................................152
Troubleshooting an SD card.............................................................................................................152
Troubleshooting an optical drive......................................................................................................153
Troubleshooting a tape backup unit................................................................................................ 153
Troubleshooting a hard drive........................................................................................................... 154
Troubleshooting a storage controller.............................................................................................. 155
Troubleshooting expansion cards.................................................................................................... 155
Troubleshooting processors.............................................................................................................156
7 Using system diagnostics................................................................................ 157
Dell Embedded System Diagnostics.................................................................................................157
When to use the Embedded System Diagnostics...................................................................... 157
Running the Embedded System Diagnostics from Boot Manager............................................157
Running the Embedded System Diagnostics from the Dell Lifecycle Controller.....................157
System diagnostics controls....................................................................................................... 158
8 Jumpers and connectors................................................................................ 159
System board jumpers and connectors........................................................................................... 159
System board jumper settings..........................................................................................................160
Disabling a forgotten password........................................................................................................ 161
7
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