If your Deco doesn't perform as expected during installation or afterward, please follow the steps in the videos and links below to diagnose and resolve the issue.
1. What should I do if I fail to configure the main Deco and get stuck on “We couldn't find Deco”?
Or follow the guide here.
2. What should I do if I fail to configure the satellite Deco and get stuck on “We couldn't find another Deco”?
Or follow this guide: https://www.tp-link.com/support/faq/1447/
3. What should I do if I fail to configure the main Deco and get stuck on “Testing Internet Connection”?
4. What should I do if my wireless devices cannot connect to Deco?
Please follow this guide: https://www.tp-link.com/support/faq/2718/
5. What should I do if Deco suddenly lost internet access?
Please follow this guide: https://www.tp-link.com/support/faq/1454/
6. How can I find a suitable spot for my Deco?
Please follow this guide: https://www.tp-link.com//support/faq/1446/
7. What can I do if the Deco app isn't working properly?
Please follow this guide: https://www.tp-link.com/support/faq/1456