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When a coworker sends me a remote assistance request and I connect to their machine it shows me both of their monitors at the same time in a single window. I can make this single window full screen by pressing CTRL+ALT+Break but then it full screens his two screens to a single one of my screens.

This looks like remote desktop and so there might be some configuration settings somewhere either in a file or in the registry that are the equivalent settings you would have with a remote desktop but that are specific to windows remote assistance.

Does any one know how to get this to full screen his two monitors across my two monitors or a way for him to share only a single monitor with me so that it looks correct?

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Did you try to make your dual screen as only one? – r0ca Jul 26 '10 at 18:28
If you are referring to making them one desktop with the total resolution of both screens, I don't know of a way to do that in windows 7. If your referring to just duplicating the desktop onto both screens then I can do that but then I only have one screen and more importantly the person I am connecting to would also have to do this for it to work fully. – Chris Magnuson Jul 26 '10 at 18:34
Hmm i have the same problem – Matt Frear Jun 13 '12 at 15:27
up vote 2 down vote accepted

Unfortunately Remote Assistance is not multi-screen aware and this is not possible.

At a stretch, you may be able to drag and make the application span across two screens but I am not sure that will work.

You can try looking in your graphics card driver to see if it supports a mode that basically allows your machine to act as one large screen instead of 2/3 smaller ones, however I think only Matrox display drivers can do that out the box.

Sorry I couldn't really be more help here.

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