Today, all of the mac laptops comes with a 16:10 screen. If you’d like to record a 16:9 video on it, it’s going to look weird. Forcefully setting the mac screen to a 16:9 resolution will make the text blurry, because it is missing the HiDPI support. In this article, we are going to show you how to set up a 16:9 resolution, e.g., 1280x720 (720p), on a mac 16:10 screen with HiDPI support.