Hello i have a problem i cannot get access to the internet using my TP-LINK TL-PA4020KIT AV500 Nano Two-Port Powerline Starter Kit (Up to 500 Mbps for Up to 300 m, HD Streaming, No Configuration Required) - Twin Pack. It says no internet access and when i trouble shoot it tells me it has unconfigured ip address i have restarted my rounter soft and hard restart i have changed sockets,also ethernet cables on both boxes and no luck,ive gone into my rounter settings and told it use the correct ip address and it still wont work,ive had these for about 7-8 months and they have been working fine up untill yesterday and now its not working,i can sometimes et them to reconnect but it varies from 10mins to and hour before they stop working again please can you help thank you.