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Processors..............................................................................................................................................................50
Removing A Processor.....................................................................................................................................51
Installing A Processor......................................................................................................................................54
Power Supplies.......................................................................................................................................................55
Hot Spare Feature............................................................................................................................................ 56
Removing An AC Power Supply....................................................................................................................... 56
Installing An AC Power Supply........................................................................................................................ 57
System Battery....................................................................................................................................................... 57
Replacing The System Battery.........................................................................................................................57
Hard-Drive Backplane............................................................................................................................................ 59
Removing The Hard-Drive Backplane..............................................................................................................59
Installing The Hard-Drive Backplane...............................................................................................................61
Control Panel Assembly..........................................................................................................................................62
Removing The Control Panel............................................................................................................................62
Installing The Control Panel............................................................................................................................. 63
System Board..........................................................................................................................................................64
Removing The System Board........................................................................................................................... 64
Installing The System Board............................................................................................................................ 66
4 Troubleshooting Your System................................................................................................. 67
Safety First—For You And Your System................................................................................................................. 67
Troubleshooting System Startup Failure................................................................................................................ 67
Troubleshooting External Connections...................................................................................................................67
Troubleshooting The Video Subsystem..................................................................................................................67
Troubleshooting A USB Device.............................................................................................................................. 67
Troubleshooting A Serial I/O Device...................................................................................................................... 68
Troubleshooting A NIC............................................................................................................................................68
Troubleshooting A Wet System..............................................................................................................................69
Troubleshooting A Damaged System..................................................................................................................... 69
Troubleshooting The System Battery..................................................................................................................... 70
Troubleshooting Power Supplies............................................................................................................................70
Troubleshooting Cooling Problems.........................................................................................................................71
Troubleshooting Cooling Fans................................................................................................................................ 71
Troubleshooting System Memory...........................................................................................................................71
Troubleshooting An SD Card.................................................................................................................................. 72
Troubleshooting A Hard Drive................................................................................................................................ 73
Troubleshooting A Storage Controller....................................................................................................................73
Troubleshooting Expansion Cards..........................................................................................................................74
Troubleshooting Processors...................................................................................................................................75
5 Using System Diagnostics....................................................................................................... 77
Dell Online Diagnostics...........................................................................................................................................77