Help me guys

Ok so today, i booted up my laptop (asus rog strix g17) and when i hold and drag my mouse, instead of the blue squares that normally appears it is invisible. What do i do to fix this?

Ok so today, i booted up my laptop (asus rog strix g17) and when i hold and drag my mouse, instead of the blue squares that normally appears it is invisible. What do i do to fix this?