U3415W, no audio in PBP Mode
Hello
So I have this brand new U3415W connected to a 6900 AMD. Connected the monitor to the HDMI socket and CDM (mDP to DP) the ports on the card.
If I use the screen as unique with HDMI, audio works. If I configure the PBP with HDMI or CDM as the main and others as sub, audio does not work. I tried swapping the audio input via the menu of the monitor (primary/secondary), but it does not work.
As soon as I disable PBP and switch to the HDMI input. audio works again. During the test of Windows 7 clearly illustrates the output being pushed the HDMI AMD at any time.
This seems to be a bug in the firmware.
Does anyone have a solution for this? These devices firmware is upgradeable?
Thank you
I realized what the problem was.
For anyone having the same problem, the problem is AMD 6870 GPU. Some resolutions don't give sound through HDMI.
If I put the output 1980 x 1080, audio works. 1720 x 1440, is not!
Tags: Dell Peripherals
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