How did you tell your computer won't recognize the router? Your computer can not pick up an IP address from the router or you get a message on your local area connection that the network cable is...

You may give a try on WDS settings on the TL- WR720N. Here is the instruction: http://www.tp-link.com/en/article/?faqid=227

Is your TV equipped with a wireless network card? If not, you may use the TL-WR702N as a client which helps your TV connect to your home wifi. Here is the instruction:...

:confused:How did you test the forwarded port does not work at all? Are you able to access your server in LAN?

As far as i know, there is no logout but close option on the web-based interface. So you just click on close to "logout" the page. If there is a logout option not just close, it will be much better.

See this thread and you will know there is no way to switch the language from Chinese to English: http://forum.tp-link.com/showthread.php?8081-english-language-for-configuration-menu&region=china.