Touch on non-primary external monitor controlling primary external monitor

SP3i5 connected to two external touch monitors (AcerT232HLs) via minidisplay on dock to hdmi on monitor2 and minidsply to hdmi on monitor3 and usb3s from dock to each monitor. SP3 is monitor1. Displays work fine. Touch works fine.
HOWEVER, touch on monitor2 control monitor3 display. monitor3 is set as the primary monitor. I get that this is NOT a bug since each monitor is in effect two device (display and touch) AND since most touch input devices WOULD want to control
the primary display.
So either there is a setting somewhere to explicitly redirect the touch on monitor2 away from the primary and TO display of monitor2 or there is a driver issue.
In W8.1 I believe there was a setting as part of the 'touch tablet' settings where you would monitor by monitor go through a click process to say that the touch should control the display on its own monitor. I can't find that in w10 (maybe it's all
supposed to happen automatically? or maybe it just hasn't been gotten to yet?)

Yesterday I found the same problem. I disconnected from a Dell Projector and then later that night I noticed that my computer still showed two monitors. I'm still able to connect to an external monitor and it will detect it. However, immediately after disconnect the phantom display is back.
A little annoying because I'm always having application windows open on that phantom display.
Also I noticed that when I plugged into the projector the color was off significantly, as if there was a bad connection. I tried a variety of connectors and connected my laptop to a variety of different external monitors and all of them work flawless except for the Dell Projector. (I didn't try it on another projector because I only have the one.)
My conclusion is somehow when I disconnected from the projector I hadn't fully shut down or gone to sleep or my computer was in the middle of a disconnect when I closed the lid and this interruption as my computer transitioned from 2 displays to 1 created the phantom display. Hope to see a solution to this.
Thanks

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I know it's very easy in OSX where you just need to drag the menubar from one screen to the other in the display setting window. I was wondering if there is any way to do this in XP (w/ bootcamp), too. Although there is a check box in XP's display settings that offers the option, everytime i check this "set this monitor as primary" box and hit "Apply", the two screens always remain unchanged. Looks like XP always sets the Macbook screen as the default primary one.
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This may help but then it may not. I tested it with my iMac and non-Apple second display so results may vary.
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You need to click on Displays., and then grope for Arrangement and click there.
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Hey, can i clone my Macbook Pro internal hard drive and then paste it all onto a formated external hard drive, then make the Mac use the external as the primary hard drive?

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(EDIT: resized. In case of wishing to read full images, just take the "resized/" out of the URI)
However pretty the full screenshot looks like (... I just mean that even if it looks like the second monitor is working), the monitor remains blank.
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#!/bin/sh
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# Executed by startx (run your window manager from here)
xrandr --output VGA-0 --mode 1440x900 --pos 1600x0 --rotate normal --output LVDS --mode 1600x900 --pos 0x0 --rotate normal --output HDMI-0 --off
if [ -d /etc/X11/xinit/xinitrc.d ]; then
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The laptop's model is Toshiba Satellite L775d. I'm not sure what other information should be required in this situation, but I will be loving to give anything that isn't compromising
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(PS: so far Arch has treated me nicely let's see for how long)
Last edited by Mamsaac (2012-03-16 12:24:27)

Thank you for your response!
# xrandr
Screen 0: minimum 320 x 200, current 3040 x 900, maximum 8192 x 8192
VGA-0 connected 1440x900+1600+0 (normal left inverted right x axis y axis) 410mm x 256mm
1440x900 59.9*+
1280x1024 75.0 60.0
1280x960 60.0
1152x864 75.0
1024x768 75.1 60.0
832x624 74.6
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
LVDS connected 1600x900+0+0 (normal left inverted right x axis y axis) 382mm x 214mm
1600x900 60.1*+
1440x900 59.9
1280x854 59.9
1280x800 59.8
1280x720 59.9
1152x768 59.8
1024x768 59.9
800x600 59.9
848x480 59.7
720x480 59.7
640x480 59.4
I wondered the same. I initially only used KDE for it (that's how it worked in other distros, but I'm guessing Fedora and Kubuntu have way more stuff on top). I moved to xrandr later after searching for options and I did select "Ignore" when KDE asked me to configure and just went ahead with xrandr. The same still happens.
Thanks, I hope I gave the right information.
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Last edited by Mamsaac (2012-03-16 12:14:51)

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Touch on non-primary external monitor controlling primary external monitor

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