NVRAM backup battery..................................................................................................................... 101
Replacing the NVRAM backup battery........................................................................................101
Storage controller card.....................................................................................................................102
Removing the storage controller card....................................................................................... 103
Installing the storage controller card......................................................................................... 105
Expander card................................................................................................................................... 106
Removing an expander card.......................................................................................................106
Installing an expander card.........................................................................................................108
System board.................................................................................................................................... 109
Removing the system board.......................................................................................................109
Installing the system board..........................................................................................................112
Trusted Platform Module.................................................................................................................. 114
Installing the Trusted Platform Module ..................................................................................... 114
Re-enabling the TPM for BitLocker users...................................................................................115
Re-enabling the TPM for TXT users............................................................................................115
5 Troubleshooting your system........................................................................ 116
Safety first—for you and your system...............................................................................................116
Troubleshooting system memory.....................................................................................................116
Troubleshooting hard drives............................................................................................................. 117
Troubleshooting Solid State Drives...................................................................................................117
Troubleshooting USB devices...........................................................................................................118
Troubleshooting an internal SD card................................................................................................118
Troubleshooting processors.............................................................................................................119
Troubleshooting the blade system board........................................................................................ 119
Troubleshooting the NVRAM backup battery..................................................................................120
System messages..............................................................................................................................120
Warning messages...................................................................................................................... 120
Diagnostic messages................................................................................................................... 121
Alert messages............................................................................................................................. 121
6 Using system diagnostics................................................................................122
Dell Online Diagnostics.....................................................................................................................122
Dell Embedded System Diagnostics.................................................................................................122
When to use the Embedded System Diagnostics......................................................................122
Running the Embedded System Diagnostics............................................................................. 123
System diagnostic controls.........................................................................................................123
7 Jumpers and connectors................................................................................ 124
System board jumper settings..........................................................................................................124
System board connectors.................................................................................................................125
Disabling a forgotten password........................................................................................................126
6