hi all....my tp link archer d2 lost the internet signal, so i reset it, changed everthing i could,diagnostics say nothing wrong with phone line etc....plugged in an old router with ethernet cable and it works. but comes up with error 651..any ideas please ?...thanks
Most of the time the issue is with your router's plug. By simply re-inserting it, you can resolve this issue. Still if the issue remains same then give a try to these solutions.
Hope it helps. Still if you're facing any issue then let me know.
The OP posted this three months ago so you may not get a reply from him and hopefully he has resolved the problem but your answer may be helpful to others.
Sometimes by Updating WiFi Drivers can solve the issue. Check out this info page to update and reinstall your WiFi router Driver which can solve the Error - https://techcortex.com/how-to-reinstall-wireless-driver-in-windows-10/