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Forum Discussion

BillyNg's avatar
BillyNg
Aspirant
Jan 11, 2018
Solved

R6400 suddenly stop working with strange LED pattern

Hi guys,

 

I have been using this router for few months, suddenly it stopped working for no reason and the LED pattern is really strange to me. 4 LAN LED and the internet are blinking every second. The rest does nothing. I tried to browse thru the troubleshooting guide but could not find any solution. Factory reset does not work either. Attached is the clip for your reference. Any idea is really appreciated.

Troubleshooting
  • N80's avatar
    N80
    Jan 12, 2018

    One thing to check would be the voltage on the power supply if you have a meter. I've not had or seen that problem, but my two immediate thoughts are bad power supply or component failure perhaps because heat. Heat is always an issue, so best to have it in a well ventilated area. Not saying your isn't, just making mention.

6 Replies

  • N80's avatar
    N80
    Aspirant
    Jan 12, 2018

    One thing to check would be the voltage on the power supply if you have a meter. I've not had or seen that problem, but my two immediate thoughts are bad power supply or component failure perhaps because heat. Heat is always an issue, so best to have it in a well ventilated area. Not saying your isn't, just making mention.

    • BillyNg's avatar
      BillyNg
      Aspirant
      Jan 15, 2018

      Thanks for your inputs. Heat should not be an issue because i placed the router on the table with nothing around it. I will find another power adapter to see if the it is really the root cause.