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Screen Resolution Changed to 4K


New Member
Interesting occurrence yesterday.
I'm trying to set up an AVR system with a Marantz NR1711 AVR and an advanced HDMI Splitter on the output for a 1080p TV and 4K projector - HdFury Vertex2.
Using PC as an input to the Vertex2 and screen resolution switched to 3840x2160. Opened display settings, and a number of resolutions above native 2256 x 1504 were displayed.
Tried to change back to 2256x1504, but automatically switched back to 4K. So will investigate further.