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I have a dual monitor setup of two different sizes. My primary monitor is a 23 in widescreen Acer T230H touchscreen, and the second is a regular 20 in. When I go to use the touchscreen, the cursor shows up on the secondary display depending on where I touch the display. How do I calibrate it to only control my primary monitor?

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Anyone? It has been three months. Anyone that can help me calibrate my touchscreen would be of great help. – ITman Oct 12 '11 at 19:20

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Have you tried xinput-calibrator?

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Dude... You are beautiful! Thanks. – ITman Dec 7 '11 at 16:49
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Very hard to find solution but actually pretty straight forward, just follow the answer from 'phnomic' here: Touchscreen and additional external monitor. Works flawless with my Fujitsu T730 with all kinds of external monitors!

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To people facing this problem, I would highly recommend this solution. I think it is cleaner and quicker than the accepted answer. – Tomas Jan 21 at 12:28
This uses xsetwacom, which I presume only works for Wacom devices? However there is a generic xinput map-to-output <device> <output> which is similar in spirit. – Beni Cherniavsky-Paskin May 10 at 2:35

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