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Troubleshooting Your System 99
Troubleshooting a Serial I/O Device
Problem
• Device connected to the serial port is not operating properly.
Action
1
Turn off the system and any peripheral devices connected to the serial port.
2
Swap the serial interface cable with a working cable, and turn on the system and the serial device.
If the problem is resolved, replace the interface cable.
See
"Getting Help" on page 123
.
3
Turn off the system and the serial device, and swap the device with a comparable device.
4
Turn on the system and the serial device.
If the problem is resolved, replace the serial device.
See
"Getting Help" on page 123
.
If the problem persists,
see
"Getting Help" on page 123
.
Troubleshooting a USB Device
Problem
• System message indicates a problem with a USB device.
• Device connected to a USB port is not operating properly.
Action
1
Enter the System Setup program, and ensure that the USB ports are enabled. See "Using the System
Setup Program" on page 27.
2
Turn off the system and any USB devices.
3
Disconnect the USB devices, and connect the malfunctioning device to the other USB connector.
4
Turn on the system and the reconnected device.
If the problem is resolved, the USB connector might be defective.
See
"Getting Help" on page 123
.
5
If possible, swap the interface cable with a working cable.
If the problem is resolved, replace the interface cable.
See
"Getting Help" on page 123
.
6
Turn off the system and the USB device, and swap the device with a comparable device.
7
Turn on the system and the USB device.
If the problem is resolved, replace the USB device.
See
"Getting Help" on page 123
.
If the problem persists,
see
"Getting Help" on page 123
.
book.book Page 99 Monday, June 5, 2006 1:51 PM