Troubleshooting and Repair 6-13
Problem or Symptoms
Corrective Actions
Serial device does not work
Check if Serial Port is set to ENABLED under BIOS Setup program
(Advanced menu).
Check if serial device is connected properly.
If using serial mouse, check if Internal Touchpad is disabled under
BIOS Setup. On Windows 95 or 98, check if it detects the serial mouse
in System Device Manager under the Control Panel.
Check if mouse driver is installed properly.
Replace serial device.
Check the I/O controller chip on the motherboard for any cold or loosed
soldering.
Replace the motherboard.
Parallel device does not work
Check if Printer is set to ENABLED under BIOS Setup program
(Advanced menu).
Check if all connections are properly set.
Check if external device is turned on.
Check if Printer Mode is set properly.
Check the I/O controller chip on the motherboard for any cold or loosed
soldering.
Replace the motherboard.
FIR Port does not work.
Check if FIR port (COM2) is enabled under BIOS Setup (Advanced
Menu).
Check if FIR driver is properly installed under Win95. Refer to Chapter
2.
Check if File Sharing and Computer name is set properly on both sides.
Check if Infrared Monitor is activated.
Check if FIR ports on both ends are not blocked or obstructed.
Check the FIR module.
Check the I/O controller chip on the motherboard for any cold or loosed
soldering.
Replace the motherboard.
USB Port does not work
Check if USB port option under BIOS Setup is ENABLED.
Check if USB device connection is OK. Unplug and re-plug the device.
Check if the USB port driver and the USB device driver are installed.
Replace USB device or contact USB device manufacturer for support.
Replace motherboard.
Audio components does not
work
Check external connections if OK and volume mixer is set properly.
Check audio source (CD, tape, etc.) if faulty.
Check if audio driver is installed.
Check internal connections for speaker and microphone if not working.
Check audio board, cables and connections.
Replace motherboard.
