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Windows 7: Onboard Sound Not Recognised

06 May 2010   #1

Windows 7 Ultra
Onboard Sound Not Recognised

I've just upgraded to Windows 7 and it's not recognising the audio jacks on the motherboard. It shows the SPDIF socket as the only sound device and when I try to install the Realtek HD driver, the installation fails with a 0012 error.
It's an Abit A-S78H motherboard.
Can anyone advise how to get it recognise the onboard 5.1 sound?

My System SpecsSystem Spec
06 May 2010   #2
not so gray matter

W7 Ult. x64 | OS X

Are you attempting to install drivers from disc or hard drive?

If you're attempting to install from disc, you may want to attempt to install them from file instead...

Download these drivers.
My System SpecsSystem Spec
06 May 2010   #3

Windows 7 Ultra

I originally tried the drivers on the motherboard disc but they were out of date so I downloaded those drivers from the Realtek site and ran them from the hard drive with the same result. I disabled and uninstalled the SPDIF device and the drivers installed properly (so I thought) but when I rebooted Windows said there was no sound device attached, then reinstalled the SPDIF device automatically- there was no sign of the Realtek software which had supposedly been successfully installed.
My System SpecsSystem Spec

06 May 2010   #4

Windows 10 64 bit

Did you install the motherboard chipset drivers? On many systems, the motherboard chipset drivers define the devices on the motherboard and in those cases the chipset drivers must be installed before installing device drivers or devices will not be recognized.
My System SpecsSystem Spec
06 May 2010   #5

Windows 7 Ultra

I did use the motherboard drivers disc, used the Qinstall option which appeared to complete the installation but Win 7 only recognises the SPDIF device as the only sound device present. The 5.1 HD sound system built in to the motherboard worked perfectly under XP and registered as a separate sound device.
My System SpecsSystem Spec
06 May 2010   #6
Microsoft MVP

Win 7 Ultimate x64

First double check the the onboard is enabled in the bios, and if not using it and if you haven't already disable both the onboard video and the audio for the onboard video (which uses a Realtek chip, same as the onboard audio). Can't tell you where exactly as Abit doesn't have the manual for your motherboard available, but if it is anything like my Asus board with the same 780G/SB700 chipset then the video and accompanying audio setting should be under,

Advanced->Chipset->PCI Express Configuration

Then go here,

Drivers & Support | GAME.AMD.COM

click on "Motherboard/Integrated Video Drivers" then click on "Individual Drviers (Motherboard/Chipset)". Then select your version of Windows and from there download the South Bridge Driver. After installing that then try the Realtek driver again.
My System SpecsSystem Spec

 Onboard Sound Not Recognised

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