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Contents 7
Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . 95
Removing a Cooling Fan Assembly
. . . . . . . . . 95
Installing the Cooling Fan Assembly . . . . . . . . 96
Removing the Fan Module
. . . . . . . . . . . . . 97
Installing the Fan Module
. . . . . . . . . . . . . . 98
Backplane
. . . . . . . . . . . . . . . . . . . . . . . . 98
Removing the Backplane
. . . . . . . . . . . . . . 98
Installing the Backplane
. . . . . . . . . . . . . . 100
Control Panel Assembly
. . . . . . . . . . . . . . . . . 100
Removing the Control Panel Assembly
. . . . . . . 100
Installing the Control Panel Assembly
. . . . . . . 102
System Battery
. . . . . . . . . . . . . . . . . . . . . . 102
Removing the System Battery
. . . . . . . . . . . 102
Installing the System Battery
. . . . . . . . . . . . 103
System Board
. . . . . . . . . . . . . . . . . . . . . . 104
Removing the System Board
. . . . . . . . . . . . 104
Installing the System Board . . . . . . . . . . . . 105
4 Troubleshooting Your System . . . . . . . . 109
Safety First—For You and Your System . . . . . . . . . 109
Installation Problems
. . . . . . . . . . . . . . . . . . 109
Troubleshooting System Startup Failure
. . . . . . . . 110
Troubleshooting External Connections
. . . . . . . . . 110
Troubleshooting the Video Subsystem
. . . . . . . . . 110
Troubleshooting a USB Device
. . . . . . . . . . . . . 110
Troubleshooting a Serial I/O Device
. . . . . . . . . . 111
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