C# 判断本机是否已经安装驱动
C# 如何判断当前电脑是否已经安装网卡、显卡、声卡等驱动?
------解决方案--------------------http://download.csdn.net/detail/dkgll/3993450#comment
检测显卡
http://download.csdn.net/download/arterforyou1206/4894519
检测网卡
http://download.csdn.net/download/xiurui12345/3465281
检测声卡