Realtek Alc850 7.1 Channel Ac&
7.1 Channel Surround Sound
Hello,In addition to Syed’s reply, you may check with the motherboard manufacturer directly to verify that the latest audio driver for your motherboard is installed and then check the issue.You may also check with Realtek and relay the chipset type to verify that the latest Windows 7 compatible driver for your chipset is installed.Thank you,MaryMicrosoft Answers Support EngineerVisit our and let us know what you think.Microsoft Answers Support Engineer Visit our Microsoft Answers Feedback Forum and let us. Barbara eden at 78 died today.