Leo, as I know, when TL-WA7510N works in bridge with AP mode, it only supports WEP as security type indeed. The message you mentioned may mislead you but it comes up in their other 11n devices, for...

Dodgexander wrote Well I have had a bit of success since I made the first post. Trying a different router from the TD-W8961ND I found that the sharing problem didn't exist. So for some reason there...

I think access point is proper in your case. In default, it is an access point indeed. Your wireless clients should be able to search for its ssid and connect to it. If it is not working, try router...

Your desktop works with WR541G? If so, try to hard reset WDR4300 and test.

olaveng wrote I have a similar problem with this router and latest firmware. After about 24 hours, pppoe connection will be lost. Connect on demand with max idle time 0. It happens every day. Booting...

Try to ping 8.8.8.8 and if it is ok, but google.com fails, it is a DNS issue. Otherwise, you may try channel width 2.4GHz, and disable WMM under wireless advanced.