Hi,
I've found a great location for my rig and in this case I want to remote control it.
Everything works wonderful if I leave my monitor plugged into the DVI port of the GPU.
If I don't connect anything (which is what I want, since a monitor is useless), I have a black screen and can't do nothing. If I type, the pc type, so is just a problem on video output.

The setup is:
-3x1070 on risers, each powered;
-usually the cable is connected to just one GPU;
-the program I'm using is TeamViewer, since I've found no other reliable solution;
-OS is Windows

I've also encounter this issue when I do have the monitor plugged in and I reboot: in this case, the second power up doesn't show anything. I have to cut off electricity to the monitor to make it works again. (the monitor is an old VGA, connected to the 1070 through a VGA-DVI adapter).
This is a secondary problem, if I can use it without monitor, Iwould be even happier.

Thanks for any advice!