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8.2

Elo touchscreen Pointer Movements Reversed

Asked by wfgllc in Touch-Screen Displays, Ubuntu

Tags: Linux, Ubuntu, touchscreen

I have a Elo 1939L 19" Rear-Mount Touchmonitor which is behaving oddly: touch the screen and the pointer moves left for right, right for left, up for down and down for up and stays about 1/3 of the screen away from where you actually touch.  All cases using the USB cable (a serial is provided but I've not tested it.)

I've tried installing the drivers provided by Elo touchscreens.  Also,  under Ubuntu, the touchscreen is automatically recognized. I've tried 2 completely different sets of hardware (computer) and 2 different distributions of Ubuntu, each with clean installs as well as boot from CD environments.  I've not tired any other flavor of Linux (prefer to stick to Ubuntu for this project).  Each case, the behavior is the same (reversed on both axes).

I'm handy enough with vi, but recompiling kernels is above my skill level.  I've googled the problem and found some hopeful fixes like changing the x and y axis values, some tweaks to xorg.conf,  and some clever inverse technique, none of which worked.

Any thoughts?
[+][-]11/06/09 07:46 PM, ID: 25764890Accepted Solution

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About this solution

Zones: Touch-Screen Displays, Ubuntu
Tags: Linux, Ubuntu, touchscreen
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Solution Provided By: robear0001
Participating Experts: 1
Solution Grade: A
 
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