IDT driver update = No sound from the built-in speakers

I just recently bought an HP - dv6 WF536AV Laptop.
The sounds were proper from the built-in Altec Lansing speakers , till i updated the audio drivers via HP Support Utility.
Now i do not get any playback from the speakers mentioned above, but while plugging in my iPod headphones, there is audio in the headphones.
I've tried to reinstall the IDT Audio driver from the HP Support utility as well as one downloaded from the website :
IDT High-Definition Audio Driver 6.10.6289.0
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-86241-1&lc=en&dlc=en&cc=us&...
Yet, nothing is resolved.
Of what i understood from various articles on the web, was that the new driver sets the headphone jack as the primary device for audio output and hence it does not reach the speakers.
Also , I'm pretty sure of this not being a hardware conflict since the laptop is recently purchased and i've rarely used the headphone jack.
Following are the details about my system :
HP Pavilion dv6t customizable Notebook PC
• black cherry
• Genuine Window s 7 Home Premium 64-bit
• Intel(R) Core(TM) i3-350M Dual Core processor (2.26GHz,
3MB L3 Cache)
• 512MB ATI Mobility Radeon(TM) HD 5470 sw itchable graphics
[HDMI, VGA]
• 4GB DDR3 System Memory (2 Dimm)
• HP TrueVision Webcam and Digital Microphone
IDT High-Definition Audio Driver 6.10.6289.0
Hardware ID's :
HDAUDIO\FUNC_01&VEN_111D&DEV_7605&SUBSYS_103C144A&REV_1004
HDAUDIO\FUNC_01&VEN_111D&DEV_7605&SUBSYS_103C144A
This question was solved.
View Solution.

Hi,
From the Start Menu, open the Control Panel and then open Device Manager. Click the small arrow next to Sound Video and Game Controllers, right click on the IDT High Definition Audio Codec and select Properties. Click the Driver tab then click on 'Roll back Driver'. Click yes or Ok to any further prompts and let the process complete. Reboot the PC and see if your sound is back. If it is not repeat this process again.
Hope this helps.
Best wishes,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

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