下载完USB驱动.exe文件之后按照它的步骤安装，然后它提示：please perform the following steps to complete installation. 1、power on your 3G series phone 2、attach the phone to the USB port of your PC with a 3G series USB cable 3、when the Found new Hardware Wizard screen appears,select No not this time and then click Next. 4、click Next in the New screen to start the PnP installation......5、After clicking Finish in the completeing the Found new Hardware Wizard Screen, click Next in this sreen to complete intallation.我照它的步骤进行到了第三步，然后进行第四步，我不知道它的Pnp installtion 是什么意思，是进行“自动安装“，还是“在列表中选择",我两个都试过，都不行。所以求助各位大虾拉。