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Audio not working after installing Graphics Card

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  • Graphics Cards
  • Systems
Last response: in Systems
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December 23, 2013 4:37:09 PM

Hell everyone, I recently got a GTX 760 and installed it but ever since I have installed it my computer does not detect any headphones or speakers. I've tried updating the drivers and that does not seem to work. I'm not using the front panel jacks so that cant be the problem, i'm just really lost right now and need help.

More about : audio working installing graphics card

a b U Graphics card
December 23, 2013 8:17:39 PM

Like most video cards today, that one has its own audio system built in. That way it can send out audio on the HDMI output port. In fact, many cards now also put audio on some pins of the DVI ports, even though those ports originally did not include audio on them. MAYBE the process of installing the card's drivers also installed the audio driver AND set Windows to use that audio output system, rather than the one on your mobo. Windows can ONLY use ONE audio output device at a time. so you can set Windows to use the system in your new vid card, OR to use your old system (I'm presuming it is on the mobo). If it is using the vid card system and your speakers and headphones are connected to the ports on the back panel of your mobo, they will give you no audio signal.
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December 23, 2013 8:57:57 PM

Paperdoc said:
Like most video cards today, that one has its own audio system built in. That way it can send out audio on the HDMI output port. In fact, many cards now also put audio on some pins of the DVI ports, even though those ports originally did not include audio on them. MAYBE the process of installing the card's drivers also installed the audio driver AND set Windows to use that audio output system, rather than the one on your mobo. Windows can ONLY use ONE audio output device at a time. so you can set Windows to use the system in your new vid card, OR to use your old system (I'm presuming it is on the mobo). If it is using the vid card system and your speakers and headphones are connected to the ports on the back panel of your mobo, they will give you no audio signal.


Would this cause the computer to not even read the speakers or headphones being plugged into the jack? The default audio playback device is on Realtek Digital Output but every other thing on the list (speakers, NVIDIA HDMI ports) say they are not plugged in.
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a b U Graphics card
December 23, 2013 10:29:14 PM

If your Windows is set to use the Realtek system of the mobo as the audio output device, than what I suggested in not the problem. However, I have another suggestion based on my experience with a Realtek system on my machine.

You MAY have unplugged speakers and headphones, etc. during your changes to your system. On my system if I unplug the speakers, say, from the jack for the Front Speakers and then plug them in again, a message pops up on my screen for a while. If I ignore it it will time out and disappear. What is says is, the audio system has detected that something (unknown) was plugged into that port, and it wants confirmation of what. I have to tell it that these are my front speakers I just plugged in. This is how the Realtek system makes sure it routes the correct signals to each port. BUT, if you do NOT tell it what you plugged in, it sends NOTHING out that port!

So, try this. Start up your system. Unplug your speakers from their jack on the back, wait a few moments, and plug back in. Check the screen for a message prompt, and tell it those are speakers you plugged in. You may have to re-do this for other things like rear speakers and front centre / subwoofer, if you have those. Or maybe you plug headphones into one of those rear sockets, and you can tell it that.
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December 24, 2013 10:43:40 AM

Paperdoc said:
If your Windows is set to use the Realtek system of the mobo as the audio output device, than what I suggested in not the problem. However, I have another suggestion based on my experience with a Realtek system on my machine.

You MAY have unplugged speakers and headphones, etc. during your changes to your system. On my system if I unplug the speakers, say, from the jack for the Front Speakers and then plug them in again, a message pops up on my screen for a while. If I ignore it it will time out and disappear. What is says is, the audio system has detected that something (unknown) was plugged into that port, and it wants confirmation of what. I have to tell it that these are my front speakers I just plugged in. This is how the Realtek system makes sure it routes the correct signals to each port. BUT, if you do NOT tell it what you plugged in, it sends NOTHING out that port!

So, try this. Start up your system. Unplug your speakers from their jack on the back, wait a few moments, and plug back in. Check the screen for a message prompt, and tell it those are speakers you plugged in. You may have to re-do this for other things like rear speakers and front centre / subwoofer, if you have those. Or maybe you plug headphones into one of those rear sockets, and you can tell it that.


I tried unplugging and plugging them back in but both the front and back ports won't detect anything. No message or anything.
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