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