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DisplayPort to HDMI TV with Sound? - External Hardware
https://www.bleepingcomputer.com/forums/t/731436/displayport-to-hdmi-tv-with-sound/#:~:text=Yes%2C%20DisplayPort%20supports%20multi-channel%20audio%20and%20many%20advanced,ability%20to%20support%20HDMI%20audio.%20Pretty%20Good%20FAQ
No Sound with DisplayPort or HDMI Video Cable …
https://www.dell.com/support/kbdoc/en-us/000125484/no-sound-with-displayport-or-hdmi-video-cable-connection
When an audio-supported video cable is being used such as a DisplayPort or HDMI cable, Windows may change the default audio playback device to the audio-supported cable assuming that another audio device is being used. The issue may occur when a laptop is coming out of sleep mode as the system is detecting the audio-capable cable first.
Amazon.com: displayport to hdmi with audio
https://www.amazon.com/displayport-hdmi-audio/s?k=displayport+to+hdmi+with+audio
Amazon.com: displayport to hdmi adapter with audio
https://www.amazon.com/displayport-hdmi-adapter-audio/s?k=displayport+to+hdmi+adapter+with+audio
Solved: Can't get displayport to output audio to HDMI (Q45 ...
https://community.intel.com/t5/Graphics/Can-t-get-displayport-to-output-audio-to-HDMI-Q45-Q43-Express/m-p/285487
The problem stems from the fact that I have a Passive DisplayPort-to-HDMI adapter with an older onboard DisplayPort. What I needed to include audio and video was an Active DisplayPort-to-HDMI adapter. Active DisplayPort adapters apparently includes hardware that performs conversions on certain signal types and are still necessary for some ...
no sound DisplayPort to HDMI cable - HP Hardware - …
https://community.spiceworks.com/topic/2273039-no-sound-displayport-to-hdmi-cable
While the DisplayPort spec allows for both audio and video over a single connection like HDMI, it depends on the manufacturer of the of the device or cable/adapter to implement audio support. So the specific DP to HDMI cable likely just isn’t designed to support audio while the adapter is.
Solved: Has DisplayPort to HDMI Audio Out Problem Ever ...
https://h30434.www3.hp.com/t5/Notebook-Video-Display-and-Touch/Has-DisplayPort-to-HDMI-Audio-Out-Problem-Ever-Been-Solved/td-p/5711508
I own an HP 8440p with the NVS3100 graphics card. I have tried all suggestions regarding getting the DisplayPort to pass audio through a DP-to-HDMI adapter with no success. I have even tried purchasing multiple adapters in the hopes of findingone that worked, even HP's own pricey adapter.
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