Dolby Home Theater v4 Not Found

I am having problems with Dolby Home Theater v4 when I installed the Windows 8.1 update. The program can run, but it doesn't give any response. When I am playing music or do any other thing with sound, it makes no difference. What should I do?
Specifications:
Windows 8.1 64-bit Operating System, x64-based processor
Lenovo Ideapad U530
Processor: Intel(R) Core(TM) i7-4500U CPU @ .80 GHz
RAM: 8.00 GB
Above the Intelligent equalizer, there is supposed to be a 20 bands spectral modifier and visualiser.
How do I fix this?

More often than not when a device isn't working it is because the driver has become corrupted. Re-installing a fresh copy should help
http://windows.microsoft.com/en-us/windows7/Update-a-driver-for-hardware-that-isnt-working-properly?SignedIn=1
http://captaindbg.com/how-to-update-drivers-on-windows-7/ (works on win 8 too)
Wanikiya and Dyami--Team Zigzag

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Hi all
Could you try out DAA or DHTLightweight from my link and just install the Dolby software without overriding your Realtek Driver? I am not sure whether would it work, but worth a try. I have tried on Y460, W520 and G560 with great experience.
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Give kudos to reward people for their assistance | Mark thread solved if the solution works | Please do not send me an e-mail regarding technical questions | I am not an Lenovo employee
=====================================
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Hi y'all at Lenovo community.
Lenovo U310 - i5 - 8GB - 32 GB SSD - 500GB HD - upgraded van W7 home premium naar W8 pro naar W8.1 pro
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Solved!
Go to Solution.

hi papadiva
Open Control Panel and set the View by: Option on the top right of the screen to small icons And it should have an Icon for Dolby Home Theater
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Cheers!
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Answer
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Sres. LenovoBuenas noches compré un dispositivo usb de audio que se supone pasa el sonido análogo y lo reproduce en el pc , pero no sucede nada aparte de hacer ruidos se apaga el dispositivo y se desintala cuando le pongo el audífono y la entrada de sonido, ¿qué puedo hacer? Uso windows 8 y el dispositivo es de marca Macro Targeta de sonido 3D. Mi Notebook es un Lenovo Ideapad Z400. Sin más atte Miguel Tobar.

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Solved!
Go to Solution.

HDAUDIO\FUNC_01&VEN_14F1&DEV_506E&SUBSYS_17AA1001&REV_1000
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