The ADSL is off?? If the internet works fine with another modem, i think this W8961ND may be dead if the ADSL light is always off. If it is on, you can try to login to http://192.168.1.1 and go to...

Do you have a compute and test the media share on the computer?

1 connect the computer to the one of the LAN ports (the yellow ports) of the WR743ND 2 open up the internet explorer. In the address bar, put in http://192.168.1.1 and the username and password are...

you can try to set up wds bridge to extend the wireless range: http://www.tp-link.com/en/article/?faqid=440

WA5210G only offers WEP when set as bridge. it is a 11G product. WA7510N offers WEP and WPA when set as bridge. I think it will be very secured when the wireless security like WPA or WEP is set up....

Put the two adapters in the same room. And pair them. http://www.tp-link.com/en/article/?faqid=258 is the powerline light on?