How the Mac adjusts the brightness of the screen

How does the Mac adjust the screen brightness? now more and more users are using Macs, and many people are asking, how does mac adjust the brightness of the screen? Today, small knitting to take out a separate tutorial, teach Novice Mac Adjust screen brightness method.

1, in fact, look at the Apple Mac notebook keyboard, or the imac with the Apple Bluetooth keyboard you should be able to find the answer, F1 marked with the brightness of the small icon, meaning that the brightness of the lower button, F2 above marked with a larger brightness of the icon, meaning that the brightness of the high button.

Mac adjusts screen brightness

2, if not, with the lower left-hand corner of the Fn button to try, FN+F1 is to reduce brightness, fn+f2 is to adjust high brightness.