New Video Card | Lost Sound

ye347

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Apr 5, 2014
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I have upgraded my Dell Studio XPS graphics card from an Nvidia GeForce GTS-240 (OEM) to Nvidia GeForce 620. Now windows says that "No audio device is installed". The PC only boots in Safe Mode, otherwise it gets stuck. After a few maneuvers, now it does not even boot in Safe Mode. Gets stuck on ClassPnp.sys. The old card had one cable connected to it that I was not able to connect to the new card (there is no connector) for it on the new card. Maybe that cable carried sound from the video card to the motherboard? There is a separate SoundBlaster sound card in the PC, and sound worked fine before I upgraded the video card.
 


There were two cables connected to the old card that I could not connect to the new card. 1. One was clearly a power cable. I asked Nvidia support and they told me that the new card does not need the power cable. I did not mention this cable in my original post. 2. The second cable had two wires and a tiny connector. It connected directly into the motherboard. Not sure what it carried, but I could not connect it to the new card.
The PC has its own sound card, a SoundBlaster. Sound worked fine before upgrading the video card.
 


I can think of 100 cards that can outperform the gt620 is the gts240 the same price or what?

Edit: oops I just read the OP sorry
 


You did not answer my question, but I will answer yours.
My old card is a GTS-240, not the GT-240. It's an OEM card, 3yr old, and the cooling stopped working on it. Dust clogged the heat sync, fan is probably damaged, makes as much noise as a motorcycle. Because it does not cool properly, it occasionally shuts down. I searched the forums, and someone suggested this card for my PC model.
 

Yes I know its the GTS-240... the gt 620 performs worse... So your replacement card is a downgrade not an upgrade. If you just got the card because you had no integrated GPU and use it mainly for video play back and older games than it should not be an issue.

Just want to point out that the GTS 240 > GT 240 > GT 620.
GTS 240: http://www.geforce.com/hardware/desktop-gpus/geforce-gts-240-oem-product/specifications

GT 240: http://www.geforce.com/hardware/desktop-gpus/geforce-gt-240/specifications

GT 620 : http://www.geforce.com/hardware/desktop-gpus/geforce-gt-620/specifications - It's a pretty big downgrade actually.

I'd return the card if you can and try to get a gt 640 or better - maybe give us a budget and tell us what you use your system for so we can find the most suitable card for your needs.
 


Thank you for the comparison, and the offer to help select a new card. I could be convinced to spend $100-$150-$200 for a video card. I am not a gamer, and the PC is 4yrs old. But before I spend any money, I need to understand what is happening with the sound. There is that thin cable that goes from the video card to the mobo. What does it carry? Is the new video card going to have that connection? Is my sound going to work with the new video card?
 


Do you use a HDMI cable and have your speakers attached to your monitor/tv? If you are connecting from the DVI or VGA connector then sound will not be transmitted to your speakers. If your speakers are connected directly to your motherboard/sound card the video card should have no bearing on if your sound is working or not - unless you have driver conflicts. You could try removing and re-installing your video drivers.
 


The speakers are plugged into the back of the sound card. The monitor is connected via DVI. The sound used to go to the speakers, not through the monitor. I guess I could try to get audio from the video card (via HDMI) to the monitor and from there to the speakers.
I have now re-installed the GTS-240, removed the sound card, and I am trying to get the system to boot again.
 
I have taken out the sound card and the new video card. Put back the old video card, booted PC, upgraded NVIDIA video drivers. Works. Swap out old video card, put in new card. Works. Add back the sound card. Works, mostly. I get sound in the speakers, but I have lost sound in the headphone jacks located on the top of the desktop. Oh well... maybe I can live with this. Maybe that's what that little cable was for.
 
The cable I was not able to identify was an SPDIF cable (http://www.hardwaresecrets.com/article/600/2). The new card does not have a connector for it. As a result, my PC no longer has sound in the jacks at the front of the case, but it has sound in the back - so I got an audio cable extender. Not ideal, but works.