like the topic, my driver was updated to newest one that is 15.12 and been using for 2nd day. It was weird this morning when I turned on my computer. The blue thin line appeared on my screen. It was hard to see but I could see it clearly when my screen turned black. At first, I though it was my BenQ xl2730z issued (so sad if I have to replace it) but when I removed the driver, It was gone. I reinstalled it again and it was ok for couple hours. This made me sad because it was 2nd times. I hope I wouldn't my BenQ because I don't want to do RMA. So I decided to reinstall back to 15.11 and it is normal for now. I want to let you know that was the issue I got. Fix it! Red Team!