Thanks everyone for the thoughtful responses. I think it likely the adapter is not capable of 1080p resolution. Both the computer and monitors are new and the image on the other monitor is excellent....

Thanks so much for the reply.

The adapter is a DIGITECH XC - 4974 USB 3.0 TO DVI adapter.

That is all that's written on the unit

Hi,
I have attached 2 monitors to my laptop so I can extend the image. The two added monitors are identical model HP 24 inch. They work really well except that one screen image (which is attached...

thanks everyone, will give it a go,

Thanks heaps for the reply. My intention is to open a program and extend it over 2 screens. From what you have said that, is that not possible?

I have a new HP laptop and an LG external monitor and want to extend the screen.
As a starting point, I tried to extend the screen just using the laptop and the monitor.
I pressed the windows icon...