Unfortunately the only fix I have been able to find is to order a new wireless keyboard mouse combo from Microsoft. Remember we had this same problem with Logitech when we went to Win 7 and also...

I have 3 monitor screens running QHD. Two are running it from my Desktop on 27 inch IPS monitors. I love those. The screens are big enough to show the text at a size I can read and I have a ton...

That provides your answer. HDMI or new monitor or possibly gender changer?

Display Port or DVI will both give you what you need. I have a similar card and have used DVI without problems but when I got my new QHD 27 inch monitors I went to display port. Works fine.