I know this is not a new topic but I desperately need help. I ran both FSX and X-plane 10 (latest version 10.51) in my PC (MSI RX-480 video card, Intel i7, SSDs), setup for Eyefinity (Crimson 17.12.1 display driver) with three 24" 1920 x 1200 Samsung monitors. The first picture below shows the instrument panel of a Cessna 172 in 2-D mode in X-plane 10 with a single monitor (i.e., no Eyefinity).
The second picture in the above shows the panel in 2-D mode in Eyefinity with three monitors. The panel was seen spanning across the width of the centre screen and into both left and righ