What are you trying to fulfill? If you want devices connecting to Router 2 and Router 3 can communicate with each other, they should be in the same subnet. Now they are in different networks and it...

Daniel Chollet, you should provide hardware version info. of TL-WR741ND, TL-WR841N and TL-WR1043ND. In order to build a successful WDS connection between different devices, it requires that both...

So W8968 is working as a router? Follow the guide as below to check your settings. http://www.tp-link.com/en/article/?faqid=560

Reg, cable test result is not quite accurate and it says it is just for your information in the user guide.

Try to update driver for your ralink dongle. As I know, TP-LINK also have some adapters using ralink chip. You may ask them to test. http://ticket.tp-link.com/index.php?/Tickets/Submit

Your laptop and samsung f6400 cannot detect 5GHz Wi-Fi, which may be limited by themselves. If they don't support dual band but 2.4GHz only, they will not be able to detect 5GHz Wi-Fi. Although they...