You should be R480T+ instead of R470T+. http://www.tp-link.com/en/article/?faqid=675

Password and Wireless Password are different. If you are trying to connnect to Wi-Fi network, you should type in Wireless Password which is 8 digits. Password is used to secure the powerline network...

E3531 is in your region's compatibility list. http://www.tp-link.com/en/support/3g-comp-list/?model=TL-MR3420&location=1249

You can login web interface of D9 when iMAC is connected to its LAN port, right? Any WAN IP address is obtained? iMAC is the only PC that you cannot access internet? Check IP settings and ensure it...

When we set up the extender successfully, the Wi-Fi name wil be the same as the root router except that we change it on web interface of WA850RE. 1. Indicators are normal according to your...

The error occurs when you Connect VPN Connection? There are many search results about error 628 online.... Are you sure you are using correct username and password? WAN IP on router page is a public...