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Windows 7: HDMI output No Audio after Windows 7 install

13 Feb 2011   #1

Windows 7 Ultimate x64
HDMI output No Audio after Windows 7 install

I`m running HDMI out to Samsung HD TV - and all was well when running Vista - after updating to Windows 7 I have lost audio on the TV - laptop speakers still work.

In Sound - playback - Realtek Digital Output is listed as not plugged in - no option to set as default --- Speakers is listed as Realtek High Definition Audio

In Device Manager I have Intel High Definition Audio HDMI and Realtek High Definiton Audio list - both listed as working and both with latest drivers (although I can`t install latest intel generic drivers as ACER stops that from happening

I`ve tried deleting all drivers and rebooting allowing Windows to reinstall drivers but no luck

Help . . .

My System SpecsSystem Spec

13 Feb 2011   #2

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit

You need the HDMI listing in the Sound panel, Playback section. Apparently it did not get installed when you upgraded to Windows 7. I'm not sure what drivers you need to get this back.
My System SpecsSystem Spec
13 Feb 2011   #3

Windows 7 Ultimate x64

Fluke but fixed.

Before deciding to reinstall I thought I would give uninstalling the drivers one more chance.

I did two things different:

1) Previously when uninstalling the driver (Mobile Intel 4 Series Express Chipset) I didn`t check mark delete saved data in the Are you sure prompt

2) I didn`t reboot after the uninstall (pulled away by crying baby)

Magical presto! Samsung HDMI shows up in the Sound - Playback

I rebooted after that and all is well
My System SpecsSystem Spec

21 Feb 2011   #4

Windows 7 Ultimate

My System SpecsSystem Spec

 HDMI output No Audio after Windows 7 install

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