如果安装好驱动后，声卡无法识别（提示数字签名问题），请安装以下系统补丁！

為解決win7未更新系統無法辨識SHA256簽章導致driver無法運作,
 
請參考https://technet.microsoft.com/en-us/library/security/3033929.aspx

請下載下列微軟更新,並依序安裝 3035131 和3033929 更新
 
1. win7 x86 SP1
 
KB3035131- https://www.microsoft.com/en-us/download/details.aspx?id=46017
 
KB3033929- https://www.microsoft.com/en-us/download/details.aspx?id=46078
 
2. win7 x64 SP1
 
KB3035131- https://www.microsoft.com/en-us/download/details.aspx?id=46009
 
KB3033929- https://www.microsoft.com/en-us/download/details.aspx?id=46148