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    Volume keys don't control actual sound on an i-mac

    Many thanks for that, it was Pulseaudio but your mention of Pipewire inspired me to install it and disable Pulse. Now by selecting Pro Audio on the panel Audio Mixer 'Configuration' tab the volume keys now control 'Built in Audio Pro' on the Output devices tab plus the actual sound volume of any...
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    Volume keys don't control actual sound on an i-mac

    Thank you for your replies, unfortunately I've tried and failed to re-assign the keys in the past.. The problem has to be a driver/sound card issue, I have a much older MacBook with an Nvidia card and the sound keys function normally. As I mentioned all digital sound options are shown as...
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    Volume keys don't control actual sound on an i-mac

    I have Linux MInt installed on an i-mac fitted with an Intel HD 500 sound card. using OSX the keyboard Increase/Decrease/Mute keys control the sound volume irrespective of which application is producing the sound. In Linux however (any distro, Mint, Ububtu, Xubuntu etc.) only the Mute key works...
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