Dell PowerEdge 800 - Manual (Page 33)

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.
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.
If the problem persists, see " Getting Help ."
Troubleshooting a USB Device
Problem
l System message indicates a problem with a USB device.
l 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" in your User's Guide.
2. Turn off the system and any USB devices.
3. Disconnect the USB devices, and connect the malfunctioning device to another 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 ."
5. If possible, swap the interface cable with a working cable.
If the problem is resolved, replace the interface cable.
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.
If the problem persists, see " Getting Help ."
Troubleshooting a Non-USB Parallel Printer
Problem
l Parallel printer is not operating properly.
l Parallel printer interface cable is faulty.
Action
1. Turn off the system and the parallel printer.
2. Swap the parallel printer interface cable with a known working cable, and turn on the system and the printer.
3. Attempt a print operation.
4. If the print operation is successful, replace the interface cable (see " Getting Help ").