Anton L.Z. wrote sounds odd....share this FAQ with you: http://www.tp-link.com.au/faq-702.html Hope you can configure successfully. Suggest you call tp-link support if still have any issue Thank you!

Shield101 wrote any settings has changed on the router? better check whether any MAC filtering or firewall on the router , the SSID and password on the router Reset the extender again, and use the...

Model : RE580D Hardware Version : Firmware Version : ISP : Hello, I purchased a TP-Link RE580D AC1900 Wi-Fi Range Extender not long ago, and set it up to my parents home. it worked for a while....