User Manual

Troubleshooting Your System 151
If the problem is resolved, replace the serial device. See "Getting Help " on
page 185
.
If the problem persists, see "Getting Help " on page 185 .
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 47.
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 185 .
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 185
.
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 185
.
If the problem persists, see "Getting Help " on page 185 .
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