Hot answers tagged hdmi
Official answer on a dell forum. Says "A maximum resolution of 2048 x 1152 through the U2515H HDMI in means that the signal it is getting from the video card is not HDMI 1.4. It is HDMI 1.3. Which is why you are getting 2048 x 1152." You might want to check the spec on your GPU, to see what version of HDMI it supports.
If you install an app called "pavucontrol", you can look at which applications are playing audio, and which device they are sending audio to on a per-application basis. Because (as far as I know) firefox does not have any way to select an audio output device, if you change the output device for an application it will retain that information.... my guess is ...
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