@Learia Hello, what's the model number and hardware version of your adapter? You can refer to the instruction below to check the hardware version. https://www.tp-link.com/support/faq/46/

@wew84 Hello, what's the light status on the modem? You may refer to the instruction below to do some troubleshooting. https://www.tp-link.com/support/faq/735/ After that, if the DSL light still off...

@Manuele For this issue, you may try the method in the post below. https://community.tp-link.com/en/home/forum/topic/174450 Good day.

@Lekalvin You should change the channel on the router's management page. If you have a TP-Link router, you may refer to the instruction below. Or you can contact the router support to change it....

@martti Hi, How did you install the driver? Use the CD ROM or download it from the official website? Is it slow when connected to 2.4Ghz WiFi or 5Ghz WiFi? How far away between the computer and the...

@blacklucas1 Hello, the powerline product transfers the signal through the electric wire, so the electric power environment affects the product a lot. If the Devolo Powerline adapter's connection...