Action
1Enter the System Setup program, and ensure that the USB ports are enabled. See "Using the System Setup Program" on page 45.
2Turn off the system and any USB devices.
3Disconnect the USB devices, and connect the malfunctioning device to the other USB connector.
4Turn on the system and the reconnected device.
If the problem is resolved, the USB connector might be defective. See "Getting Help" on page 167.
5If possible, swap the interface cable with a working cable.
If the problem is resolved, replace the interface cable. See "Getting Help" on page 167.
6Turn off the system and the USB device, and swap the device with a comparable device.
7Turn on the system and the USB device.
If the problem is resolved, replace the USB device. See "Getting Help" on page 167.
If the problem persists, see "Getting Help" on page 167.
Troubleshooting Your System
