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You can't use your Mac's system volume control to manipulate the volume on an HDMI/DisplayPort interface. Basically, the HDMI signal includes digital audio that was encoded in PCM (Pulse Code Modulation) format. There are two main components to PCM and those are bit depth (how much of the audio signal is sampled) and the sampling rate (how many times per ...


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You could try using AirFoil. I use it on my Mac to send audio out from a specific application to multiple sources (which can include the internal speaker as well as any external audio output device). My use case though is to allow Spotify to send its audio out to my AirPlay speaker while allowing the internal speakers to still play only system notification ...


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There's no such thing as a female Thunderbolt to male HDMI cable. Consequently, you cannot connect an HDMI Source to a Thunderbolt Display DisplayPort (DP) and mini DisplayPort (mDP) can drive HDMI devices, but not the other way around. I also want to connect it to my Windows laptop via HDMI. I bought this converter, which converts the HDMI signal to ...


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I believe the problem is your HDMI cable - it's not capable of displaying 2560x1080. In other words, it's pre HDMI spec 1.4. (Also, the link provided to the cable in the original question is out of date; it's no longer available). Per Apple Support, the 2013 MacBook Air (11" and 13" model) has a Thunderbolt port which also supports mini Display Port ...


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I don't know which product you have, but I own an Insignia HDMI to VGA adapter. There's a micro-USB port on the adapter which I need to plug into a power source, and it then works. I just plug it into my computer for the power and have a USB hub on the other side for my USB needs.



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