A P P E N D I X
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TROUBLESHOOTING GUIDE
If you experience operational difficulties with the touchscreen system either during or after installation, the following sections will help you determine the source of the problem.
The Troubleshooting Process
The first step in troubleshooting a touchscreen system is to determine whether the problem is related to the display, software, or hardware:
•Do not confuse display problems with touchscreen
•Software problems are determined by a basic hardware functionality test. If the hardware transmits touch coordinates correctly, then the problem is probably with the driver or application software.
•Hardware problems may be caused by the touchscreen, controller, cabling, power supply, or by the integration of the touchscreen components in the display. This appendix describes techniques for isolating the problem, including
