My (2) wireless receivers and (1) hard wired receiver only work when the main DVR is unplugged. As soon as i plug in the main DVR, all three receivers start to reboot continuously. The tech that came over said I had a grounding problem which was a lie because I just had my house grounded not even 1

Hi, Recently, I accidentally unplugged my router, model 5268AC FXN, and hardbooted it. When I plugged it back in, my WiFi came back up but my Ethernet never returned.   While trying to connecting to Ethernet on my Windows 8 PC, "Unidentified Network, Public Network ..... No Internet Acces