[url]http://support1.lenovo.com.cn/lenovo/wsi/Modules/Driverdownload.aspx?SearchType=1&LogicType=1&MachineId=-5819&IsSeachOne=true&IsBackPage=false&typename=IdeaPad+Y430[/url]重新安装win7的驱动,按照说明文档中的顺序安装驱动
