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Touchscreen monitor think's it's the main monitor....


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I'm trying to use an ELO touchscreen monitor on a MBP bootcamped into windows, which should be simple enough, only the touch-input thinks it is the main (laptop) monitor.


I've tried all the calibration options (when calibrating, the touch targets come up on the laptop monitor), and in the touchscreen properties can see that under 'Screen Infomation', the 'Windows monitor number' is set to 1. This doesn't appear to be adjustable. There is also a massive green tick by it, which simply makes it even more frustrating!




I've tried setting it to be the main monitor as well, but that didn't work.


I've installed the latest driver and already searched this forum and a bit of googling, but no to avail.


The ELO 'Identify Monitor' happily identifying itself as the MBP monitor: http://www.flickr.co.../in/photostream


And the 'Align' targets coming up also on main laptop display: http://www.flickr.co.../in/photostream


I know I'm not the only person using an ELO touchscreen monitor to use with Titan on a Mac, so wondering if anybody else had this problem or knew how to resolve it.


Many thanks


(edited to add pictures)

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I think by the sounds of it you've hit the usual quirky issue of setting it up. Make sure you install the monitor (& check the correct main display) before you install the touchscreen driver.


from a website: "If you were to connect two monitors and only one is a touchmonitor, the procedure is exactly the same until you calibrate the touchscreen. If the calibration screen appears on the non-touch monitor, press the Escape key on the computer keyboard until the calibration screen appears on the touchmonitor and then calibrate and test it."


Generally speaking, you will need to make the changes in the MAC OS as it ports across the hardware configuration for monitors (or it certainly did the last time I tried something similar). If not, try something like displayfusion to correct it if the above doesnt work.

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With all touchscreens you must manually define which 'screen' goes with which 'touch'.


There is simply no way for the host machine to automatically discover which screen a given 'touch' has - the touchscreen hardware itself has no way of knowing which screen it is.


So when you calibrate, not only are you setting scale factors but you're also setting which 'screen' goes with each 'touch' - it's the only way the computer can figure out which screen goes where.


The usual method is for the touchscreen driver to show the calibration screen on each screen in some order, and you need to manually tell it to skip onwards if it's not the 'right' one - either by clicking on a "skip" or hitting a key on the keyboard - usually [Escape].

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