4. Swap the interface cable with a known working cable.
If the problem is resolved, the interface cable must be replaced. See "Getting Help," for instructions on obtaining technical assistance.
5. Turn off the system and the serial device, and swap the device with a comparable device.
6. Turn on the power to the system and the serial device.
If the problem is resolved, the serial device must be replaced. If the problem is not resolved, see "Getting Help," for instructions on obtaining technical assistance.
Troubleshooting a Parallel Printer Problem
lParallel printer is not working
Action
1. Turn off the power from the printer and the system.
2. Swap the parallel printer interface cable with a known working cable.
3. Turn on the power to the printer and the system.
4. Attempt to print with the printer.
If the print operation is successful, the interface cable must be replaced. See "Getting Help," for instructions on obtaining technical assistance.
5. Run the printer's self-test.
If the self-test is not successful, the printer is probably defective. If the printer was purchased from Dell, see "Getting Help," for instructions on obtaining technical
assistance.
6. Attempt to print on the parallel printer.
If the print operation is not successful, the see "Getting Help," for instructions on obtaining technical assistance.
Troubleshooting a USB Device Problem
lA system error message indicates a problem.
lDevice connected to the port is not working.
Action
1. Enter the System Setup program, and check that the USB ports are enabled. See "Using the System Setup Program" in the User's Guide for instructions.
2. Turn off the system and any USB devices.
If there is only one USB device connected to the system, go to step 5.
3. Disconnect the USB devices, and connect the malfunctioning device to the other port.
4. Apply power to the system and the reconnected device.
If the problem is resolved, the USB port may be defective. See "Getting Help," for instructions on obtaining technical assistance.
5. If possible, swap the interface cable with a known working cable.
If the problem is resolved, the interface cable must be replaced. See "Getting Help," for instructions on obtaining technical assistance.
6. Turn off the system and the USB device, and swap the device with a comparable device.
7. Turn on the power to the system and the USB device.
If the problem is resolved, the USB device must be replaced. If the problem is not resolved, see "Getting Help," for instructions on obtaining technical assistance.
Troubleshooting the Integrated NIC Problem