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HD4000 no HMDI Audio with UEFI GOP

CVoig
Beginner
‎05-27-2013 07:23 AM
3,204 Views

Hi,

I am using an 3rd Gen i5 with HD4000 (parallel with Club 3D AMD Radeon 7870 XT (UEFI GOP compliant)) on an ASROCK Z77 Pro 3.

Latest Driver for the HD4000 (22.03.2013) are installed and Intel Display Audio shows up in the Device Manager.

Wenn I enable Windows 8 Ultra Fast Boot in Bios (CSM disabled), so that the System uses UEFI GOP an HDMI attached Philip TV is not recognized as Audio Ouput Device. With CSM enabled (UEFI GOP off) it works instantly perfect.

Are there any known Driver issues, because I red the HD4000 supports UEFI GOP.

Thanks for the support.

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Allan_J_Intel1
Employee
‎05-29-2013 09:47 AM
2,314 Views

This information has been escalated to our research department; I recommend you to keep visiting our website for any updates on this inquiry.

Thanks

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