I've added a new graphics card and now get no sound.
I've just installed a Sapphire pro 2400 512mb graphics card to my Compaq 2109UK tower unit and now have no sound. Everything else is working fine. If I remove the card I get sound back. All drivers are fine, but when checking device manager I appear to have no audio devices installed. I have re mastered the tower to factory settings and removed all previous on board Nvidia graphics drivers, but still getting nowhere!!!
The tower is still only conected via a VGA to the monitor, and the card only has VGA, S Video and DVI outputs, so can't understand what the problem is. Forgive my relative poor comprehension of assuming a graphics card shouldn't interefe with a sound card, and please help!
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Are you sure it's not a hardware problem, try putting it into one of your mates computer and see if it will work, otherwise it might just be a dud, sapphire will have to repair it for you. just to check, you have been using sapphire's drivers, and you have uninstalled then re installed ccc. try starting your computer in safe mode with the 6870 installed, just to make sure. and bye the way, Nice Card!!
you should check that your motherboard is compatible with this video card or not (search in google or ask support center of the company). if it is compatible do these steps: intercept
all of cables of your PC case and even power cable of your monitor. evolve
battery of bios then wait for 25 minutes then connect all of cables and
try turning on your PC: 1- with battery of bios 2- without
battery of bios it should work.(this works cause the
motherboard reset it's bios and start correctly again). if it doesn't work, surely your video card is damaged. it is not about how you mounted the card or it is not damaged physically by you. this card is damaged while producing in the company. in fact in every 100 products of a company it is possible that 2 out of them be damaged. so take your video cad to a guarantee center. they will test it and if it work wrong or doesn't work,they will give you a new video card.
For windows to work, it needs the card's drivers to display properly. The bios will display, and the beginning of windows load messages will show, but then it switches to the installed display driver. Take the card out, and use the old display method, and load the drivers for the new card. Then set the screen resolution to 800x600 and the shutdown, and install the new card. The bootup should go correctly, and once the new drivers are in, then set the resolution desired.