If you changed your resolution too low..

I am getting a lot of emails about this and threads..

Please actually look at the discussions thread to find multiple solutions for this problem

Here are some links to solve it:

Follow all these steps to the letter. Try each one.

https://steamcommunity.com/app/720250/discussions/0/1694917906660658626/

https://steamcommunity.com/app/720250/discussions/0/1694918539665867705/

https://steamcommunity.com/app/720250/discussions/0/1694917906663561544/