Main Troubleshooting Flowchart (continued) A No If you still have a problem, it's in software or in a part of the unit not covered by these flowcharts. Parallel port operates correctly? See Parallel Port flowchart Yes Serial port operates correctly? No See Serial Port flowchart Yes External VGA operates correctly? No See Serial Port flowchart Yes No PCMCIA cards operate correctly? See PCMCIA flowchart Infrared port operates correctly? No See IR flowchart Yes 14