My 1920x1200 monitor acts like a 1600x1200 after changing GPU

[maks kuznia]

After changing my GPU from the "ASUS R9 270X"
https://www.amazon.com/ASUS-R9270X-DC2T-2GD5-Graphics-C...

To the "EVGA GeForce GTX 1070 SC"
https://www.bol.com/nl/p/evga-08g-p4-6173-kr-geforce-gt...

My monitor was cut in half and I could only see the right part of the screen.
After changing the resolution to 1600x1200 I could see the whole screen.

I have this monitor
https://www.amazon.co.uk/Iiyama-ProLite-E2607WSV-1-Moni...

And I'm using this adapter for the display to work
https://www.bol.com/nl/p/display-port-naar-vga-adapter-...

After going to the monitor's menu and going into the "Information" tab it was saying that it is a 1600x1200 monitor which is not true.

The icons look bigger which I don't like

So why is this happening and how can I fix this?

 

[Guest]

Go in to nvidia control panel and try setting custom resolutions or changing the screen size by going to the addjust desktop size and position tab.

 

[maks kuznia]

Go in to nvidia control panel and try setting custom resolutions or changing the screen size by going to the addjust desktop size and position tab.

Please read everything I say before answering

After changing the resolution to 1600x1200 I could see the whole screen.

My question is: How can I change my screen resolution so that it doesn't act like a 1600x1200
If I set it to 1920x1200 it's cut in half, when I set it to 1600x1200 I see everything but the icons are bigger.

 

[jaxkain]

unfortunately its a problem with the last update from microsoft. my two of my windows 10 pc's went from 1920x1080 to 1600x1200. and while search the net found one other on windows 7 who had the propblem.


jim