I've just been looking at the user guide for this router, mind you I wouldn't know a router from a stick of Blackpool rock - but what I can happily report is there are ten LEDs on the front of this device. Ashtonjay can't be bothered to tell us which one is flashing and even if he could he would still need access to the user guide to identify which of the ten LEDs was flashing. That might give the man who knows nothing of the ins and outs of his router some clue as to what is happening. No one here is a mind reader.
How to get the user guide - well he can always Google for it. a mere 146 pages. Or was it in the box?
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The light that is flashing I'd the one that looks like a circle round a planet
I think on further exploration it's a conflict of some sort. I unplugged everything 1 by 1 and reconnected the tested. Everything is fine until I plug on my ADT alarm. Then it goes down. Also I'm not too sure my netgear port switch amd the tp link rputer ate geyting on too well eithet. I may use my old tp link port switch