This box in system preferences switches the ways the keys behave and which function of 2 ways that will require you to hold the Fn key down. keys as standard function keys - when this option is selected, press the Fn key to use the special features printed on each key. At the bottom there is a box that says "Use F1, F2, etc. Open Apple menu and choose System Preferences, then go to Accessibility. If using keystrokes for a keyboard shortcut does not work, try. Press and hold all of these keys on the left side of the keyboard: Shift + Controller + Option (Alt). MBP 2017 screen only comes on at 45 degree angle and goes dark when open fully. Restart in Recovery Mode by holding both Command+R keys when booting up.
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There are several tabs at the op inside the keyboard settings, select the keyboard tab. You can enter most keyboard shortcuts by either pressing keystrokes or typing the key names. They Keyboard tab in the Keyboard area contains the controls for the FN keys.
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From the main menu click on the keyboard. The "entire row of keys" has 2 functions and there is a box in the keyboard settings to enable or disable the pre-built "Apple" functions or for them to behave like normal funtion keys without having to press the fn button. It may be able to determine if there is a deeper issue with your computer and also the methods to fix it. This is not a common problem, but when it happens. If none of the steps provided above help you, try running the keyboard troubleshooter. For various reasons, keyboards on both laptops and desktops may suddenly stop functioning properly.
#How to restore function keys on mac keyboard not working how to#
This is probably too late for the 2 people from 2015 that originally posted the issue, but this "chosen solution" is likely wrong. Now you know how to change keyboard keys back to normal, and how to reset your keyboard using the information provided above.