I'm connected to my TV via HDMI.
I have no volume control when I'm plugged into HDMI. Soon as I unplug the HDMI cable, keyboard volume control returns.
Here's what I see when I press the volume buttons on my keyboard with HDMI plugged in.
However, I can control the volume if I open itunes.
I've tried resetting the PRAM as well as restarting my PC.
Yes, a Mac is a PC - even their laptops.
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