They are marked with what I interpret to be small-sunrise and big-sunrise icons. I do not see any effect when I press them. These are for decreasing and increasing the brightness of the keyboard backlight. When the system senses low light and the keyboard is allowed to illuminate, the keys will work. Otherwise, they silently do nothing at all.
Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Some apps have their own keyboard shortcut preferences that you can customize. For example, pressing both Fn and F12 speaker icon performs the action assigned to the F12 key instead of raising the volume of your speakers. If you want to change the top row of keys to work as standard function keys without holding the Fn key, follow these steps:.
If you don't see 'Use F1, F2, etc. These keyboards might need a utility to change the keyboard functions. Check with your keyboard manufacturer for more information. The current keyboards , where the keys are flat little jobbers that poke up through square holes in the aluminum Figure The older, plastic desktop keyboards , or the white or black plastic laptop ones.
What it does , though, is quite clear: It changes the purpose of certain keys. For example, Fn turns the key into a Page Up key, which scrolls upward by one screenful. On most Mac keyboards, the Fn key is in the lower-left corner. The exception is the full-size Apple desktop keyboard the one with a numeric keypad ; there, the Fn key is in the little block of keys between the letter keys and the number pad. Figure On the top row of aluminum Mac keyboards, the F-keys have dual functions.
Pressing the Fn key in the corner changes their personalities, though. Numeric keypad. The number-pad keys do exactly the same thing as the numbers at the top of the keyboard. Apple has been quietly eliminating the numeric keypad from most of its keyboards, but you can still find it on some models. These keys control the brightness of your screen. This one fires up Mission Control, the handy window-management feature described in Chapter 4.
Tap the key to open Dashboard, the archipelago of tiny, single-purpose widgets like Weather, Stocks, and Movies. Chapter 4 describes Dashboard in detail. On recent Macs, the F4 key bears a logo instead. Tapping it opens Launchpad, which is described on Launchpad. I can not figure it out, can someone please help! More Less. Reply I have this question too I have this question too Me too Me too. Question marked as Solved User profile for user: sberman sberman.
View answer in context. Helpful answers Drop Down menu. May 24, PM in response to Sabrina In response to Sabrina The f5 and f6 light up the led's in the keyboard.
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