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Windows 7: Does Windows7 support two screen multi touch?

15 Jan 2010   #1

Does Windows7 support two screen multi touch?


I have two Acer 23 inch multi touch screens, being driven through a Matrox DualHead2Go. So the ATI graphics card thinks it is driving a single 2050 x 1080 monitor, the DualHead2Go then splits this across the two screens.

Will Windows 7 support multi touch across two screens?


My System SpecsSystem Spec

15 Jan 2010   #2

64-bit Windows 8.1 Pro

This is the first time Ive seen this question... give it a try and let us know...
My System SpecsSystem Spec
15 Jan 2010   #3

Windows 7 Professional x64

Here's an answer from a MS guy, sound like it may work, drivers may be a problem

Does Windows 7 support dual touchscreen monitors
My System SpecsSystem Spec

15 Jan 2010   #4



I've seen that MS response, but what drivers? None come with the Acer monitor because it says that Windows 7 provides the "multi touch" drivers as part of the Windows OS.

The problem is that the drivers would need to support the concept of an offset e.g. 1st monitor x-coordinates 0..1050, 2nd monitor x-coordinates 1051..2100. Otherwise Windows 7 gets very confused - you touch one of the screens and an open app on the second screen JUMPS to the first screen. I think it is because the driver only sees two 0..1050 monitors, even though the graphics card tell it the screen is 0..2100.
My System SpecsSystem Spec
15 Jan 2010   #5

Windows 7 Professional x64

I'll bet that will be the problem. I would still try it out, but you may need a "special" driver. I don't know for sure.

Sounds like the MS guy didn't know for sure either. It has to be something MS considered.
My System SpecsSystem Spec
15 Jan 2010   #6


I am investigating a company that specialises in drivers for multi touch screens. They are called I've posted them the same question so I'll see what they say. Won't be an inexpensive option though!
My System SpecsSystem Spec
15 Jan 2010   #7

Windows 7

As long as there are drivers, Windows will do just about anything, including launching nukes.
My System SpecsSystem Spec
16 Jan 2010   #8

Windows 7
side note.

On a side note, did you have any problems with Windows 7 recognising your Acer touch screen?

I can't get mine to work, it gives me a code 10 for Human Interface Devices...

Did you have to install a different driver?

My System SpecsSystem Spec
26 Jan 2010   #9

Acer Support's Response so far

I have been testing one T230H in a production environment with the intention of purchasing many more touchscreen monitors. Last night I posed these exact questions to Acer Tech Support through their website email:

"I am a T230H owner and am participating in a few forum discussions about using Dual T230H Monitors with Windows 7. I will happily pass along your responses to others seeking the same information.

Assuming the graphics card set-up can support two monitors and both are connected to USB ports, will the touchscreen functions work from BOTH T230H monitors? same desktop on both monitors (either or both monitor's multi-touch can control the one desktop)? different desktops on each monitor (will each monitor's multi-touch control the correct desktop)?"

After what appeared to be silly automated responses, I was told to call their sales support number (800-571-2237) and they marked my email ticket as solved (meaning no further input possible from me). A rep at that phone number started asking me all sorts of questions about my notebook before I interrupted and reminded her that I'm calling about dual T230H MONITOR's on one DESKTOP computer. After some more frustrating misinformation, I finally got her to seek other input for this issue and she returned from her "service desk" with this information:
You need a driver from tech support for this. You can Google it or open a PAID support ticket to obtain it.

WAIT....did this rep at tech support & sales really just suggest that in order to know whether I should consider buying even more of their monitors for situations that would DOUBLE the number of monitors I buy, that I go BACK to Google or I need to PAY for tech support?!?!?

When I started inquiring about the name of the driver or the link to it, I was rudely disconnected...leaving me with a somewhat similar feeling as my abruptly-closed email support ticket.

So...if the rep and her advisers are to be believed, there is a driver for dual T230H Monitors on one computer.....somewhere. Yet, after a few hours of searching, I sure can't find it.

In MY particular case, I often need dual monitors displaying the SAME desktop on two displays in two locations (ie: collaboration or control in recording studios, design studios, conference rooms, etc.). Since I regularly have multiple USB keyboards and mice connected to one system without a problem (both wired and wireless)...and my current T230H pointing device happily coexists with other pointing devices attached to the computer...there seems a reasonable chance that the USB pointing devices of the dual T230H monitors would work similarly. Though this still hasn't been verified, it seems that the bigger mystery is dual monitors with different or extended desktops (as has been pointed out on various forums).

Sadly, no local retailers have stock on this item and I'm not terribly motivated to order another T230H from Acer after the uncaring treatment by their tech support and some annoying, unresolved problems I'm having with my current one.

I'll keep pestering Acer tech support for more info. But, if anyone in the Phoenix, AZ, USA area has another T230H and wants to test various dual configs out...I'm happy to explore this even more.
My System SpecsSystem Spec
27 Jan 2010   #10


I continued asking Acer about Dual T230H touchscreen monitors on one computer. After getting a link for Vista x86 monitor drivers, I asked again about Windows 7 x64 drivers. Here's Acer's response:

"Please be informed that the driver for Windows 7 is not available now. Our software team is working on it and it will be available soon.

I am sorry that we do not have the information regarding the connection of dual monitors to the unit."
My System SpecsSystem Spec

 Does Windows7 support two screen multi touch?

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