www.lenovo.com进去自己找吧,我找了一下,没找到,抱歉 ,是M7250还是M7205啊? http://support1.lenovo.com.cn/lenovo/wsi/Modules/Driverdownload.aspx?SearchType=1&LogicType=0&MachineId=8831&IsSeachOne=true&IsBackPage=false&typename=%e6%bf%80%e5%85%89%e5%a4%9a%e5%8a%9f%e8%83%bd%e4%b8%80%e4%bd%93%e6%9c%baM7250(%e6%96%b0%e5%93%81)
你到官网http://support1.lenovo.com.cn/lenovo/wsi/Modules/Drive.aspx?seq=1用智能驱动安装把它会帮你识别硬件并下载和安装驱动的