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Making the ROG RTX 4080 Send video out on one cable and Audio out the other, and eARC + Nvidia

TwistytheGr8
Level 9

Hello everyone and Merry December.

I have a PC with an RTX 4080, a sound bar, and a 4k 120hz monitor. My soundbar has Dolby Atmos and I have set up all the speakers that came with the system I bought. Now the easiest way to do this, would go like this. But there is one part of this way that sucks, and its a deal breaker for me.

PC<------HDMI2.1CABLE------->Soundbar with HMDI 2.0 port<--------HDMI--------->Monitor

The HDMI ports on the sound bar are 2.0 Standard, renders the video to a maximum 4k 60hz. I have a system that can achieve a much higher FPS in most of the games i play. So the next easiest way would be to connect to the monitor first in a PLAIN HDMI port. And use the eARC HDMI port to get to the Soundbar. I have a reaaal god monitor. But Its a monitor, not a TV. No eARC HDMI port, but instead a Displayport (DP)....... port on my monitor.

So I need to separate the sound and the video. Be able to use my monitor for the full 120fps its worth, and at the same time hear the helicopters in my game fly around the room with that Dolby Atmos and other benefits.

Computers are pretty amazing. And my RTX 4080 from Nvidia is fricken sweet, plus has 3 DP's, and one HDMI 2.1 port. This is my last chance to make it work. Searching the internet has only brought up posts that are several years old of people asking if they can make an Nvidia Graphics card do what I'm asking right now. There was not a solution then, but I have not found anything recent. There has got to be a way to do that, now that we have the 40 Series cards out.

Any ideas appreciated. Thanks

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Aureliannn_ROG
Customer Service Agent

Hi @TwistytheGr8 ,

based on your issue, may I ask whether you could provide the product model of all product?

We'll have relevant team to look into the case.

Please be patient and wait for any updates or messages from us. Thank you.

Providing detailed device specifications (MB/CPU/GPU/PSU, etc.) and the respective driver versions, OS version, and BIOS version will help us analyze the issue more effectively.