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HD4870 has stoped my sound card working

Latro_

Latro_

Latro_

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18 Sep 2009
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9
Posted this in the sound fourm too but it is just as much to do with graphics

Okie so I have just added a Radeon HD 4870 to my system. I have a sound blaster X-FI PCI card on there.

this card worked fine but now Windows 7 wont acknowledge it is even attacked to my pc.

I have a:
P5W DH Deluxe ASUS Digital Home Series Mobo.

I'm thinking some how at boot the audio properties that are part of this gfx card are stopping the X-FI card from working. Its most frustrating as I don't really want to try and revert to the Mobo's on board sound.

Anyone come across this problem before?
 
its probably just set the graphiccs card as the default audio device, have you checked that? right click on the speaker icon in the system track and click on playback devices
 
Hi there

As i mentioned Windows 7 does not recognize it. Just says when doing this:
'No audio device installed'

(i have turned the onboard sound off in bios and disabled 'ATI High Definition Audio Device' in 'Sound, video and game controllers' in Device Manager. )

If I enable ATI High Definition Audio Device in device manage and then go to play back devices I get:
'ATI HDMI Output'
 
Last edited:
Try resetting your bios, if windows cant even see it it unlikely its being booted correctlly, the ATI HDMI audio is unlikely to be the cause. Tried the xfi in another slot in case loose or not being detected and IRQed properly?
 
Yep first thing I did was move it down a PCI slot, no joy.

By resetting do you mean factory default? It was a custom made PC and as semi techi as I am i'm unsure if they twiddled anything else in there, so i'm hoping this might be a last resort.
 
Yep in this sort of case reseat and cmos reset are generally first order of the day as the card isnt being reported to windows. Could also be the card has died, have you tested with another GPU?
 
The "ATI HDMI Output" is the audio out on your graphics card. I think that's a red herring though, if you definitely can't see the soundblaster when it's in. Try this test:

Put the soundblaster and another graphics card in.
Check the SB works, record the settings from device manager
Exchange the graphics card for the 4870.
Check the device manager, has the SB device disappeared, or marked as disabled, or what?
 
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