Installing the internal USB key..................................................................................................................................70
Power supply unit..............................................................................................................................................................70
Removing the cabled power supply unit................................................................................................................ 70
Installing a power supply unit.................................................................................................................................... 71
System board......................................................................................................................................................................72
Removing the system board..................................................................................................................................... 72
Installing the system board....................................................................................................................................... 73
Trusted Platform Module................................................................................................................................................ 75
Upgrading the Trusted Platform Module...............................................................................................................75
Initializing TPM for users........................................................................................................................................... 76
Initializing the TPM 1.2 for users..............................................................................................................................76
Initializing the TPM 2.0 for users.............................................................................................................................76
Control panel.......................................................................................................................................................................77
Removing the left control panel............................................................................................................................... 77
Installing the left control panel.................................................................................................................................78
Removing the right control panel............................................................................................................................ 78
Installing the right control panel.............................................................................................................................. 79
Chapter 6: Jumpers and connectors.............................................................................................81
System board connectors................................................................................................................................................ 81
System board jumper settings....................................................................................................................................... 82
Disabling a forgotten password..................................................................................................................................... 82
Chapter 7: System diagnostics and indicator codes..................................................................... 84
Non-redundant cabled power supply unit indicator codes......................................................................................84
Using system diagnostics................................................................................................................................................ 84
Dell Embedded System Diagnostics........................................................................................................................85
Chapter 8: Getting help...............................................................................................................86
Recycling or End-of-Life service information............................................................................................................ 86
Contacting Dell Technologies.........................................................................................................................................86
Accessing system information by using QRL............................................................................................................. 86
Quick Resource Locator for PowerEdge R250 system......................................................................................87
Receiving automated support with SupportAssist ...................................................................................................87
Chapter 9: Documentation resources.......................................................................................... 89
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