@Patrick33 If you're using Windows OS make sure that the new network adapter connection is of a type Private Network.

@elijamiesont Your issue comes from the fact that you're behind a CG-NAT. The only thing you can do is to contact your ISP and ask for an option to have your public IP address on your router's WAN...

@Phildec Use a web browser on a laptop for configuring RE550. The default IP address of the RE is 192.168.0.254. If your router LAN is in another subnet use the http://tplinkrepeater.net while...

@sparks79 Usually those are cabling issues which are resolved by changing the ethernet cable. If you have other devices connected to the switch and they are OK, change the printer cable.

@MartiB To reset the router successfully you have to press the reset button for more than 5 seconds. When you pressing reset button (use a paperclip or a toothpick) you should feel/hear a click.

@Graham307 What you can do to confirm a firmware issue is to go back to your original wireless security and encryption settings. Revert to the previous FW release and check if everything works as it...