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Why is my DisplayPort converter not passing audio?

If a DisplayPort converter with audio is not passing sound from the source to the destination, complete the following:

  1. Make sure that the DisplayPort connection on the video card is the default audio playback device.
  2. Make sure that the video card has the DisplayPort audio codec installed. If not, visit the video card manufacturer's website to find out how to update the video card driver.
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This FAQ applies to these products:
DP2HD4KADAP DP2HD4KS DP2HDMI DP2HDMI2 DP2HDMIADAP DP2HDMIUSBA DP2HDMM1MB DP2HDMM2MB DP2HDMM3MB DP2HDMM5MB DP2HDS DP2HDSW DP2HDVGA DP2VGAAMM2M DP2VGAAMM3M DP2VGDVHD DPBOOST MDP2DPDVHD MDP2HD4KS MDP2HD4KSW MDP2HDMI MDP2HDMIUSBA MDP2HDMM1MB MDP2HDMM1MW MDP2HDMM2MB MDP2HDMM2MW MDP2HDMM3MB MDP2HDMM5MB MDP2HDS MDP2HDSW MDP2HDVGA MDP2HDVGAW MDP2HDW MDP2VGAA MDP2VGAAMM2M MDP2VGAAMM3M MDP2VGDVHD MDP2VGDVHDW MSTCDP122DP MSTCDP123DP MSTDP122DP MSTDP123DP MSTDP123HD MSTDP124DP MSTMDP122DP MSTMDP123DP MSTMDP123HD MSTMDP124DP
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