NEC VXI Series, Инструкция по обслуживанию и справочник

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7-4 Troubleshooting
Quick Troubleshooting
Problem or Symptoms Corrective Actions
Serial device does not work Check if the serial port is set to “Auto” in BIOS Setup.
Check if the serial device is connected properly.
Check if the mouse driver is installed properly.
Replace the serial device.
Check the I/O controller chip for any cold or loose soldering.
Replace the main board.
Parallel device does not work Check if the parallel port is set to “Auto” in BIOS Setup.
Check if all connections are properly set.
Check if the external device is turned on.
Check if the printer mode is set properly.
Check the I/O controller chip for any cold or loose soldering.
Replace the main board.
IR Port does not work. Check if the IR port (COM2) is enabled in BIOS Setup.
Check if File Sharing and the Computer name are both set properly.
Check if the Infrared Monitor is activated.
Check if the IR ports on both systems are blocked or obstructed.
Check the I/O controller chip for any cold or loose soldering.
Replace the main board.
USB Port does not work Check if the USB controller in BIOS Setup is enabled.
Check the USB device connection. Unplug and re-plug the device.
Check if the USB port driver and the USB device driver are installed.
Replace the USB device or contact the USB device manufacturer for
support.
Replace the main board.
Audio components do not
work Check that the external connections and that the volume mixer are set
properly.
Check if the audio source (CD, tape, etc.) is faulty.
Check if the audio driver is installed.
Check if the internal connections for speaker and microphone are
working.
Check the audio board, cables, and connections.
Replace the main board.