"No audio device is installed." Where's my audio?

I have a HP Pavilion a6152n Desktop PC, and I'm on Vista 32 bit.  My audio was going well until I installed a GeForce GT545 graphics card.  Now I have no sound.  I don't know which driver to install, because according to Device Manager, no audio device is installed.  I think remember me the Realtek name before.

Any thoughts?

Some graphics cards seem to disable audio internal, because they take audio over himself.
Have you checked BIOS to reactivate audio internal?

C.

Tags: HP Desktops

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