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Did this configuration work before or it has never worked?
You can try installing the latest driver for your system, you can download it at:
If the graphics driver provided above cannot be install in your system then try to download the driver from your system manufacturer website.
Are you using any adapters? If yes, try to use straight connection and test it with different cables.
I think it worked for short time...
I've installed the latest drivers. And i tryed an older Version.
My search in the web, doesn't giove me a hind for my Problem. Many people have the same Problem.
Mostly they can fix The Problem with new drivers for the video card, amd or nvidia. I have only the integrated intel 2500 HD video card.
There i can't adjust wich monitor is the master..
Have you tried different cables by any chance? If your system worked before it could be that perhaps one of you cables HDMI or VGA are not providing the signal correctly.
Also you can try updating the Yamaha receiver firmware to a newer version if there is any but that needs to be done with the receiver manufacturer.
We tryied... We have connected the beamer without the yamaha, still the same Problem.
If the beamer in off, i have also no picture on the vga. Is the beamer disconnected, i've got my windows on the VGA Display.
I think the Intel chipset recognizese the connectet device on the display port / HDMI. And Display Port has a higher priority, i think...
If only the yahmaha is connected and the beamer behind is disconnected everthings fine.
here are some Links:
I have ordert now an DVI zo VGA Cabel, to connect the Beamer via VGA. I Think this will solve the Problem... I 'll give you a report!
Now i've connectet the beamer with a displayport to VGA adaptor, and it works.
The Touch Monitor is connected via the normal vga connection.
Now when i power off the Monitor or Beamer the other one still shows the desktop... as it shoud be...
In my opinion, it schould be able to use an display connected via Display port the same way.
Maybe you can create a checkbox in the intel software, where the user decides to the power off funktion, or that the other display still works...
Have a great time....