Dell Latitude XPi CD w Reference Guide - Page 69
Troubleshooting a Serial I/O Device, Troubleshooting the Infrared Ports
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NOTE: Before you begin this procedure, make sure that the SYSTEM SWITCH option in the System Setup program is set to ON/OFF. For instructions, see "Using the System Setup Program" in Chapter 2. 1. Turn off the computer and the serial device, and swap the interface cable (which connects the device to the serial port) with a comparable working cable. 2. Turn on the parallel printer and computer. 3. Attempt a print operation on the parallel printer. Does the print operation complete successfully? Yes. You probably need a new interface cable. Call Dell for technical assistance. See Chapter 5, "Getting Help," for instructions. No. Continue to step 4. 4. Run the parallel printer's self-test. Does the self-test complete successfully? Yes. Continue to step 5. No. The printer is probably defective. If you bought the printer from Dell, call Dell for technical assistance. (See Chapter 5, "Getting Help," for instructions.) If you bought the printer elsewhere, take it to one of the manufacturer's authorized service centers for repair. 5. Attempt another print operation on the parallel printer. Does the print operation complete successfully? Yes. The problem is resolved. No. Call Dell for technical assistance. See Chapter 5, "Getting Help," for instructions. Troubleshooting a Serial I/O Device If the procedure titled "Troubleshooting the Basic I/O Functions" found earlier in this section indicates that the problem is with a device connected to one of the serial ports, use the following procedure. NOTE: Before you begin this procedure, make sure that the SYSTEM SWITCH option in the System Setup program is set to ON/OFF. For instructions, see "Using the System Setup Program" in Chapter 2. 1. Turn off the computer and the serial device, and swap the interface cable (which connects the device to the serial port) with a comparable working cable. 2. Turn on the computer and the serial device. Is the problem resolved? Yes. You probably need a new interface cable. Call Dell for technical assistance. See Chapter 5, "Getting Help," for instructions. No. Continue to step 3. 3. Turn off the computer and the serial device, and swap the device with a comparable working device. For example, if your serial mouse has a problem, swap it with a serial mouse you know is working properly. 4. Turn on the computer and the serial device. Is the problem resolved? Yes. You probably need a new device. Call Dell for technical assistance. See Chapter 5, "Getting Help," for instructions. No. Call Dell for technical assistance. See Chapter 5, "Getting Help," for instructions. Troubleshooting the Infrared Ports This section provides a procedure for troubleshooting the computer's infrared ports. Use the following procedure to check one port at a time. Make a copy of the Diagnostics Checklist found in Chapter 5, and fill it out as you complete the following procedure: 1. Check the setting for the INFRARED DATA PORT option in the System Setup program. For information on the System Setup program, see Chapter 2, "Customizing System Features." Is the INFRARED DATA PORT option set correctly for the external device with which you are communicating? You may need to check the documentation that accompanied the device to determine the proper setting. Yes. Go to step 3. No. Go to step 2. Troubleshooting Your Computer 3-29