Replacing the battery.............................................................................................................................................. 108
Hard drive backplane..................................................................................................................................................... 109
Removing the hard drive backplane ...................................................................................................................... 110
Installing the hard drive backplane .........................................................................................................................112
Control panel assembly...................................................................................................................................................113
Removing the control panel ....................................................................................................................................113
Installing the control panel ...................................................................................................................................... 115
System board...................................................................................................................................................................117
Removing the system board....................................................................................................................................117
Installing the system board...................................................................................................................................... 119
Trusted Platform Module.............................................................................................................................................. 122
Installing the Trusted Platform Module................................................................................................................. 122
Initializing the TPM for TXT users..........................................................................................................................123
7 Using system diagnostics........................................................................................................................... 124
Dell Embedded System Diagnostics.............................................................................................................................124
Running the Embedded System Diagnostics from Boot Manager.................................................................... 124
Running the Embedded System Diagnostics from the Dell Lifecycle Controller............................................. 124
System diagnostic controls.....................................................................................................................................125
8 Jumpers and connectors ........................................................................................................................... 126
System board jumper settings......................................................................................................................................126
System board jumpers and connectors.......................................................................................................................127
Disabling a forgotten password....................................................................................................................................129
9 Troubleshooting your appliance..................................................................................................................130
Safety first — for you and your appliance..................................................................................................................130
Troubleshooting appliance startup failure................................................................................................................... 130
Troubleshooting external connections......................................................................................................................... 131
Troubleshooting the video subsystem..........................................................................................................................131
Troubleshooting a USB device...................................................................................................................................... 131
Troubleshooting iDRAC Direct (USB XML configuration)........................................................................................132
Troubleshooting iDRAC Direct (Laptop connection).................................................................................................132
Troubleshooting a serial I/O device............................................................................................................................. 132
Troubleshooting a NIC................................................................................................................................................... 133
Troubleshooting a wet appliance..................................................................................................................................133
Troubleshooting a damaged appliance........................................................................................................................ 134
Troubleshooting the appliance battery........................................................................................................................134
Troubleshooting power supply units............................................................................................................................ 134
Troubleshooting power source problems..............................................................................................................135
Power supply unit problems....................................................................................................................................135
Troubleshooting cooling problems............................................................................................................................... 135
Troubleshooting cooling fans........................................................................................................................................136
Troubleshooting memory...............................................................................................................................................136
Troubleshooting an SD card..........................................................................................................................................137
Troubleshooting a hard drive or SSD...........................................................................................................................137
6
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