怎么回事？谁来帮我解决一下！！！谢谢了！！！

sunsy

我完全昭安装说明装好了的，可是怎么一进入就提示我：
could not connect to steam network.
either the steam network is currently not running, or your internet connection is down.
please check your internet connection and try again.

怎么回事？谁来帮我解决一下！！！谢谢了！！！