Maniac-Uk

I have set up the marquee in big box options will check the dpi main screen running at 1680 x 1080 when running if i hit alt tab can see there looks like 2 instances of bigbox running so i take one is the marquee screen both on main monitor. will go down the work shop now check dpi they match. How ever getting graphics card error going to look at updating the drivers when the sun goes down as the work shop is like a oven.

Brought a cheep Marque monitor off eBay that fits perfectly on top of my monitor but I cannot getting to display in big box I have it set at its highest rez of 1680 x 342 main window displays fine but nothing shows on the top monitor i can see by using alt tab that there are 2 windows running for big box but its not showing in the marquee monitor. any help would be great. 1680 x 3421