Dell T105 Troubleshooting Your System, Power Supply, Chassis Intrusion Switch, Removing the Bezel

Power Supply	91
Removing the Power Supply	91
Installing the Power Supply	93
Chassis Intrusion Switch	93
Removing the Chassis Intrusion Switch	93
Installing the Chassis Intrusion Switch	94
Bezel (Service Only Parts Procedure)	95
Removing the Bezel	95
Replacing the Bezel	96
I/O Panel Assembly (Service Only Parts
Procedure)	97
Removing the I/O Panel Assembly	97
Replacing the I/O Panel Assembly	98
System Board (Service Only Parts Procedure) . . . .	100
Removing the System Board	100
Installing the System Board	101

4 Troubleshooting Your System . . . . . . . . 103

Safety First—For You and Your System	103
Start-Up Routine	103
Checking the Equipment	104
Troubleshooting External Connections	104
Troubleshooting the Video Subsystem	104
Troubleshooting the Keyboard	105
Troubleshooting the Mouse	105
Troubleshooting Serial I/O Problems	106
Troubleshooting a Serial I/O Device	107
Troubleshooting a USB Device	107

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