i use tp link router N, G, ADSL. computer show its network is full but no internet access. how can i solve this problme?

[motiur1993]

i use tp link router N, G, ADSL. computer show its network is full but no internet access. how can i solve this problme? i use windows 7.

 

[dkfem]

When did the internet stop working and what was changed?