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Replacing the NVRAM backup battery....................................................................................... 100
Storage controller card..................................................................................................................... 101
Removing the storage controller card....................................................................................... 102
Installing the storage controller card......................................................................................... 104
Expander card................................................................................................................................... 105
Removing an expander card.......................................................................................................105
Installing an expander card.........................................................................................................107
System board.................................................................................................................................... 108
Removing the system board.......................................................................................................108
Installing the system board..........................................................................................................111
Trusted Platform Module...................................................................................................................113
Installing the Trusted Platform Module ......................................................................................113
Re-enabling the TPM for BitLocker users...................................................................................114
Re-enabling the TPM for TXT users............................................................................................114
5 Troubleshooting your system.........................................................................115
Safety first—for you and your system............................................................................................... 115
Troubleshooting system memory.....................................................................................................115
Troubleshooting hard drives............................................................................................................. 116
Troubleshooting USB devices...........................................................................................................116
Troubleshooting an internal SD card................................................................................................ 117
Troubleshooting processors............................................................................................................. 117
Troubleshooting the system board.................................................................................................. 118
Troubleshooting the NVRAM backup battery.................................................................................. 118
System messages...............................................................................................................................119
Warning messages.......................................................................................................................119
Diagnostic messages................................................................................................................... 119
Alert messages............................................................................................................................. 119
6 Using system diagnostics................................................................................120
Dell Embedded System Diagnostics.................................................................................................120
When to use the Embedded System Diagnostics......................................................................120
Running the Embedded System Diagnostics.............................................................................120
System diagnostics controls........................................................................................................121
7 Jumpers and connectors................................................................................ 122
System board jumper settings.......................................................................................................... 122
System board connectors.................................................................................................................123
Disabling a forgotten password........................................................................................................124
8 Technical specifications—PowerEdge M830 (for PowerEdge VRTX).....126
6