Lenovo Y430 dolby home theater problem

hi, i've just a new laptop which is lenovo ideapad Y430, and comes with a vista 32 bit . A few days ago, i tried to install a vista 64 bit windows on it , everything goes normal except the dolby home theater doesn't work anymore ( it works perfectly on the 32 bit vista ). So can anyone tell me how to make it work again. thz a lot.
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More about lenovo y430 dolby home theater problem
  1. Probably just needing a new driver. Check Lenovo's website.
  2. well, i've already checked for so many times and reinstalled my audio driver a few times ( assure that it's a 64 bit vista drive ), sill no good.
  3. Did you try installing the 32bit driver anyway? Sometimes companies place wrong drivers in places where OS versions are concerned...it's happened to me many more times than once.
  4. hi,
    Recently i have updated my system with window7 64-bit, after that everthing works fine except Dolby Home Theater, i donwload Audio drivers from Lenovo site, but Mulitimedia keys on my keyboard are not working... could you please any one help on this and let me know any addiotnal drivers are need to up installed?
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