Installing a DC power supply unit...............................................................................................109
System battery...................................................................................................................................109
Replacing the system battery..................................................................................................... 109
Hard-drive backplane........................................................................................................................ 111
Removing the hard-drive backplane...........................................................................................112
Installing the hard-drive backplane............................................................................................ 118
Control panel assembly.....................................................................................................................118
Removing the control panel board–8 hard drive system..........................................................118
Installing the control panel board–8 hard drive system............................................................119
Removing the control panel–8 hard–drive system...................................................................120
Installing the control panel–8 hard drive system.......................................................................121
Removing the control panel–10 hard–drive and 24–hard drive system................................. 122
Installing the control panel–10 hard–drive system and 24 hard–drive system.......................123
VGA Module.......................................................................................................................................124
Removing the VGA module........................................................................................................ 124
Installing the VGA module.......................................................................................................... 125
System board.....................................................................................................................................126
Removing the system board.......................................................................................................126
Installing the system board.........................................................................................................128
Trusted Platform Module...................................................................................................................131
Installing the Trusted Platform Module ......................................................................................131
Re-enabling the TPM for BitLocker users...................................................................................132
Re-enabling the TPM for TXT users............................................................................................132
5 Troubleshooting your system........................................................................ 133
Safety first—for you and your system...............................................................................................133
Troubleshooting system startup failure............................................................................................133
Troubleshooting external connections............................................................................................133
Troubleshooting the video subsystem............................................................................................. 133
Troubleshooting a USB device......................................................................................................... 134
Troubleshooting iDRAC Direct (USB XML configuration)................................................................134
Troubleshooting iDRAC Direct (laptop connection)....................................................................... 135
Troubleshooting a serial I/O device................................................................................................. 135
Troubleshooting a NIC......................................................................................................................136
Troubleshooting a wet system......................................................................................................... 136
Troubleshooting a damaged system................................................................................................ 137
Troubleshooting the system battery................................................................................................ 138
Troubleshooting power supply units............................................................................................... 138
Troubleshooting power source problems................................................................................. 138
Power supply unit problems....................................................................................................... 139
Troubleshooting cooling problems..................................................................................................139
Troubleshooting cooling fans.......................................................................................................... 140
6