In Device Manager I had Cirrus CS4206A (AB13) and three devices of NVIDIA High Definition Audio.

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Then somehow I updated Cirrus driver to High Definition Audio, but Audio-IN is not working, only Audio-OUT (The same thing with Cirrus).

The thing I cant understand is - Is MacBook Using Realtek Audio, stupid Cirrus or NVIDIA Audio I cant contact Cirrus Support, because on their website its written: We produce integrated circuits that manufacturers design into their audio and video products.

We do not manufacture graphics cards, sound cards or modems.

Please contact your manufacturer or visit your manufacturers Web site for driver support.

We recommend that you contact your products manufacturer for support.

When I install Realtek HD Audio DriverCodec there are no changes and no Audio Manager running I mean who else is using stupid Cirrus -Citrus- st.I tought I bought good laptop for my job, but this is not usable for me in this situation.

If you have used anything other than a standard BC Assistant to install Windows, you will run into audio and GPT issues.

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I have Windows 8.1 which categorizes the devices a bit differently.

So, stupid Cirrus (which Ive never heard of before) is not updating their drivers.

Microsoft expert suggested me to contact CirrusLogic Support, but there is no mail and Im not in USA - so dialing their phone number is too expensive.

This is Apples false, because they dont really care if customers are satisfied.

Anyways, which model is your MacBook (which year) Do you suggest trying Win 8.1 or XP Thanks for being active on my topic.

As a test, a. Create a System Restore Point.

Remove both nVidia and Cirrus drivers.

Reboot Windows. d.

Check which unknown devices you get in Device Manager and post a screen shot from Device Manager.

None of the devices in the Sounds window are working.They are showing like working fine, but no output on integrated speakers and no output from 3.5mm jack and no input from internal micin jack As I said integrated microphone is not working and jack is not functional.Also theres red diode turned on in the jack hole EDIT Then I uninstalled Windowss default audio drivers High Definition Audio Device to get sound device without drivers and I quickly made a screenshot before they are installed again.

And as you can see they are recognised as Audio Device on High Definition Audio Bus What can I do now.

There is a microswitch which controls if your combined analogdigital port will output digital signals or analog signals.

If you insert the headphone in the port and take it out (you may have to repeat this till the laser turns off), then you can install the BC drivers and test.

I moved back Cirrus driver and it turned off itself.However input is not working.

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