How it works: “CTRL + ALT + +” to turn up the gamma. “CTRL + ALT + -” to turn it down. “CTRL + ALT + *” to make default gamma. “CTRL + ALT + S” press this combination, and your gamma setting will go to Default.(useful in-game). “CTRL + ALT + W” press this combination, and your gamma will go back to your last used gamma setting.(useful in-game). “CTRL + ALT + SHIFT + S” press this combination, and your monitor will enter stand-by.