Hi, I recently bought a HDMI-splitter because I have my tv plugged in on my pc as well as 2 monitors. One monitor is VGA, the other HDMI and my tv also HDMI. So I bought it because I always had to crawl under my desk to switch the cables. Now I get my display on my monitor and my tv, but the resolution is stuck on 640x480 and the option to change it is greyed out. Does anyone know how to fix this?