If only one cable, no wireless router, but need wireless Internet access, a laptop may be (desktop must have a wireless card) transformed into a wireless router, that "WiFi hotspots." There are many ways, I share two good way!

Win7 wireless hotspot configuration tool v1.02

On the home page to download Han Xing random record

PS: for the first time when using this software, without success, Microsoft Virtual WiFi Miniport Adapter did not come out, after upgrading the wireless network card driver on it!

There are more ways diy directly with a bat script can be solved! See these two URLs:

http://www.douban.com/note/142037908/

https://plus.google.com/112943123212844251062/posts/ADkzz8NQMKu

"WIN7_ open close _WIFI hot (batch script) .rar" V disk download: http: //vdisk.weibo.com/s/3YjNL