April 15, 20206 yr This thread may save you many hours of work. After 12 hours of frustrating trial and error, internet research etc, things are finally all fixed. My setup: windows 10, Xplane 11.4, oculus rift, Realsimgear 530, GTX1070TI, intel i5, 39 inch hdtv, all running perfectly for many months. My graphics card connections were hdmi to oculus rift, DVI-D to main monitor, Realsimgear to display port. For months all,worked flawlessly. Timeline of events. I wanted Xplane’ s Vulcan. I downloaded version .50 and installed it. Xplane opened, stated I’d need to update drivers. I did that through nvidia. Restarted Xplane, checked the Vulcan box and I don’t know exactly what happened but from that point on I was in trouble. I found that my windows desktop screen was upside down on the little Realsimgear 530 and my main 39 inch monitor went black with a no input message. Now, operate your system on an upside down 6 inch “monitor”. It drove me nuts for hours. Device manager showed only 1 PnP device. What happened, how recover? I swapped ports and cable, redid drivers, reinstalled Realsimgear firmware, reinstalled Panasonic VIERO firmware, but no joy! Basically after 12 hours, I had a giant graphics card supporting either a 6 inch screen or a 39 inch monitor, but not at the same time, one or the other but not both. Maddening. As a last resort experiment, I decided to add another monitor to my setup just for the heck of it so I unplugged the oculus hdmi connection and inserted an old Insignia tv hdmi cable into the port. As soon as I did that, boom, all screens appeared!! That’s it. It wanted the physical presence of a 3rd connect, the hdmi. I can turn off the Insignia but it must remain plugged in or, you’re back to one screen! i have no clue as to why. Device manager now shows 3 PnP devices now. Two is a pair, three is company, so...it wants company.
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