- Press Fn+F11 (Or just F11) to maximize the screen
- Set your brightness to maximum Fn+F12 (or F12)
- The next page will test adaptive contrast of the Dell XPS 13
- An image will be displayed on screen, it may appear to fade in
- If the image appears to fade in, your screen is affected by dynamic contrast
- If you see the image immediately you are not affected
- Wait 10 seconds before continuing