Dell PowerEdge 850 User's Guide download pdf (Page 28)

Troubleshooting a USB Device

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Problem

l System message indicates a problem with a USB device.

l Device connected to a USB port is not operating properly.

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Action

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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.

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2. Turn off the system and any USB devices.

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3. Disconnect the USB devices, and connect the malfunctioning device to another USB connector.

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4. Turn on the system and the reconnected device.

If the problem is resolved, the USB connector might be defective. See "Getting Help."

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5. If possible, swap the interface cable with a working cable.

If the problem is resolved, replace the interface cable.

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6. Turn off the system and the USB device, and swap the device with a comparable device.

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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."

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Troubleshooting a Non-USB Parallel Printer

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Problem

l Parallel printer is not operating properly.

l Parallel printer interface cable is faulty.

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Action

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1. Turn off the system and the parallel printer.

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2. Swap the parallel printer interface cable with a known working cable, and turn on the system and the printer.

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3. Attempt a print operation.

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4. If the print operation is successful, replace the interface cable (see "Getting Help").

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5. Run the printer's self-test.

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6. If the self-test fails, the printer is malfunctioning (see "Getting Help").

Troubleshooting a NIC

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Problem

l NIC cannot communicate with network.

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Dell PowerEdge 850 User's Guide Page 28

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