Removing A Processor
.....................................................................................................................................
86
Installing A Processor
......................................................................................................................................
89
Power Supplies
.......................................................................................................................................................
90
Hot Spare Feature
............................................................................................................................................
91
Removing An AC Power Supply
.......................................................................................................................
91
Installing An AC Power Supply
........................................................................................................................
92
Wiring Instructions For A DC Power Supply
....................................................................................................
93
Removing A DC Power Supply
.........................................................................................................................
95
Installing A DC Power Supply
..........................................................................................................................
96
Removing The Power Supply Blank
.................................................................................................................
97
Installing The Power Supply Blank
..................................................................................................................
97
System Battery
.......................................................................................................................................................
97
Replacing The System Battery
.........................................................................................................................
97
Hard-Drive Backplane
............................................................................................................................................
98
Removing The Hard-Drive Backplane
..............................................................................................................
99
Installing The Hard-Drive Backplane
.............................................................................................................
112
Removing The Optional Hard-Drive Backplane (Back)
..................................................................................
113
Installing The Optional Hard-Drive Backplane (Back)
...................................................................................
115
Control Panel
........................................................................................................................................................
116
Removing The Control Panel (PowerEdge R720)
............................................................................................
116
Installing The Control Panel (PowerEdge R720)
.............................................................................................
118
Removing The Control Panel (PowerEdge R720xd)
........................................................................................
118
Installing The Control Panel (PowerEdge R720xd)
.........................................................................................
119
Removing The I/O Panel (PowerEdge R720xd)
...............................................................................................
120
Installing The I/O Panel (PowerEdge R720xd)
................................................................................................
121
System Board
........................................................................................................................................................
121
Removing The System Board
.........................................................................................................................
121
Installing The System Board
..........................................................................................................................
123
4 Troubleshooting Your System
...............................................................................................
125
Safety First—For You And Your System
...............................................................................................................
125
Troubleshooting System Startup Failure
..............................................................................................................
125
Troubleshooting External Connections
.................................................................................................................
125
Troubleshooting The Video Subsystem
................................................................................................................
125
Troubleshooting A USB Device
............................................................................................................................
125
Troubleshooting A Serial I/O Device
....................................................................................................................
126
Troubleshooting A NIC
..........................................................................................................................................
126
Troubleshooting A Wet System
............................................................................................................................
126
Troubleshooting A Damaged System
...................................................................................................................
127
Troubleshooting The System Battery
...................................................................................................................
128
Troubleshooting Power Supplies
..........................................................................................................................
128
Troubleshooting Cooling Problems
.......................................................................................................................
128