Press the Increase Brightness button. If you have a MacBook, certain models allow you to turn on the backlighting by pressing the Increase brightness key, which looks like half of the sun with
Step 1. Locate the Function (Fn) key on your keyboard. The most likely location for this key is at the left bottom side next to the Ctrl key. The letters "Fn" will probably be shaded a different color than the rest of the keyboard, a common color being blue. Video of the Day.
For future reference, you can set the behaviour of the f keys to require the fn key being held down before the default action occurs as follows. Shut down the notebook. Tap away at the esc key as you start the notebook to enter the Start-up Menu. Select the Bios option ( usually f10 ), then make the change shown in the document on the following
1. Restart your laptop: Sometimes a simple restart can resolve the problem. 2. Check the action key setting: Press the Fn key and the Esc key simultaneously to toggle between the action keys mode and standard function keys mode. This will determine whether the Fn key is locked or unlocked.
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