@BrettW Hi, RE305 V3 with the latest firmware supports OneMesh. For more detailed, please refer to this link: https://www.tp-link.com/onemesh/product-list/ Thank you very much.

@Jem60 Hi, you could go to the wireless settings on the computer and search for the Wi-Fi name of the 850RE and get connected. And once it joined into the network, it would show up as the online...

@tannie Hi, thanks for your patience. May I know the model number of your range extender? And is there anything wrong with the extender currently? Thank you very much and wait for your reply.

@Cirke Hi, May I know the model number of your range extender? Have you changed another cable to have a look, or even another wired device? And except the Ethernet light, how about other lights and...

@chico_001 Hi, thank you for your feedback. After unplugging/plugging the 850RE back, you could try to disable the power off schedule via the Tether APP. Thanks a lot.

@AlexisHF Yes, the parental control settings on the Mesh router would be applied on the OneMesh extender as well. Thank you very much.