@Solla-topee Thanks for your answer ! I already tried to connect a wire from the PA4025P to my PC but I still don't have Internet... But the black Ethernet cable on the picture works really well (I...

@GuyP Hello, I have been using a PA4025P box and a WPA4220 router for a while. So far everything has been working fine but for a while I have been able to connect but no longer have internet access....