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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
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