Realtek HD Audio driver disappears after installing an ATI Radeon graphics card

My Realtek HD Audio driver disappears (from both the Vista "Sound Manager" and the "Device Manager") and is replaced by an ATI HD Audio driver after installing an ATI Radeon 5450 graphics card. I've tried un-installing the ATI Audio driver and re-installing the Realtek Audio driver. But, upon rebooting, Vista automatically re-installs the ATI Audio driver (and the Realtek Audio driver, which I just re-installed, is no where to be found after rebooting). I'm using an HP a6110n desktop running Windows Vista.
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Hi:
I bet you were unpleasantly surprised by that!
The fix is simple:
Go into your system setup (BIOS) using the F10 key.
Find your device configuration menu. In that menu there should be a setting for your onboard audio. It is probably set to Auto.
Change the setting to Enabled. Hit the F10, key there and again when you save your settings and exit.
Now your onboard audio will be back and your HDMI out audio on your graphics card should work too when you need it.
What happened was when you installed the Video card with HDMI out, there is an audio chip on the video card for HDMI. The PC sensing a new sound card, just disabled the onboard sound card because it thought you didn't want to use the onboard card anymore.
Changing the BIOS setting to enabled tells the PC to use the onboard audio card as well as any others you may have installed.
Paul

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Message was edited by: Jayjay

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Hi:
I bet you were unpleasantly surprised by that!
The fix is simple:
Go into your system setup (BIOS) using the F10 key.
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Realtek HD Audio driver disappears after installing an ATI Radeon graphics card

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