Envy HP DV6-7375ez subwoofer does not work.

Hi all!

I'm a DV6-7375ez with 'Beats' Audio. I use Windows Pro 8.1 and noticed, that my subwoofer does not at all. I have sound otherwise, I can listen to music, watch a movie, etc. but my sub doesn't work. It is the 4th OS on my laptop (the 4th Win 8.1) since I got this, each driver has been installed, no unknown devices in Device Manager. The Beats Audio software is running, I can adjust treble, bass, Center, focus, etc. BUT! If I go to my sound properties and select the speaker to the title of the reading tab, there is no tab enchantments, for example, I can't toggle environment, remove all enchantments, etc.. I've never tried Windows 8, only 8.1 Pro. I have all the HP software installed. I am sure that every driver installed fine, but there are still some problems...

I downloaded 2 screenshots, I see. Everything seems to be normal, but my woofer is dead now...

Please help, I'm confused.
Thank you!


After upgrade to 8.1, you must update the drivers

First uninstall the driver IDT

Disable Virusscanner for Installation


Install the new BIOS F29

Start implement MSinfo32.exe eingegben


Don't forget the update driver Chipset

Intel Chipset Device Software

Intel Management Engine Interface driver

Intel Rapid Storage Technology

Uninstall the Nvidia driver restart

First install the new driver of Intel HD

IRIS of Intel® and HD graphics driver for Windows 8.1 64


New Nvidia



Install the driver IDT


Tags: Notebooks

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