(Touch Monitors Only) First, if using a touch monitor, start by resetting the USB cable on both, the computer, and touch monitor ends, and use a different USB port on the PC end. All of the above will produce results, such as, misaligned touch, or a cursor that is constantly retracting back to the same position. Next, inspect the screen for scratches, pits or dents. Use a can of duster-air and/or folded piece of paper for the tight places. So, to begin troubleshooting any touch issues, start by using a soft cloth and some 70% isopropyl alcohol to really wipe the screen down.
It is surprising how sensitive these overlays can be, and they have to be, for the most optimum performance. Locate dirt, debris, residue, or blots/drops of anything that looks like it may fool the system into thinking a touch is being issued there.
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