2Examine the mouse and its cable for signs of damage. If the mouse is not damaged, go to step 4.
If the mouse is damaged, continue to the next step.
3Swap the faulty mouse with a working mouse.
If the problem is resolved, replace the faulty mouse. See "Getting Help" on page 107.
4Enter the System Setup program and ensure that the USB port is enabled. See "Using the System Setup Program" on page 27.
If the problem is not resolved, see "Getting Help" on page 107.
Troubleshooting Basic I/O Problems
Troubleshooting a Serial Port
Problem
•Error message indicates a problem with a serial port.
•Device connected to a serial port is not operating properly.
Action
1Enter the System Setup program and ensure that the serial port is enabled and configured correctly for your application. See "Using the System Setup Program" on page 27.
2If the problem is confined to a particular application, see the application documentation for specific port configuration requirements that the program may require.
3Run the appropriate online diagnostic test. See "Using Dell PowerEdge Diagnostics" on page 97. If the tests run successfully but the problem persists, see "Getting Help" on page 107.
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
1Enter the System Setup program and ensure that the USB ports are enabled. See "Using the System Setup Program" on page 27.
2Turn off the system and any USB devices.
3Disconnect the USB devices, and connect the malfunctioning device to the other USB connector.
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Troubleshooting Your System
