My mouse doesn't work when start

So when I click start. There is a page with (start, over, and setting). And no matter where I click, it doesn't work.

 

This is a resolution issue. Try this:
12. Unable to change In-Game resolution?
Navigate to the following directory in your computer:
%userprofile%\Documents\Black Desert

Open the GameOption.txt with any text editor (e.g. Notepad, Notepad++, Sublime Text or Atom) and edit the following lines:
windowed = x
width = xxxx
height = xxx

To the following:
windowed = 2
width = 1920
height = 1080

File -> Save As -> GameOption -> Save -> Yes