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