F12 no longer controls my volume, I get programming language, how do I get the function of volume back?
Volume button, F12 no longer works- brings up programming language, how do I get access back to volume control.
MacBook Air 13″, macOS 10.14
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Apple menu > System Preferences > Keyboard.
Is the preference highlighted below checked?
If so, uncheck it to stop the Developer tools pane from opening [I am assuming this opens when using Chrome or Firefox]