Tech support suspects hardware failure. The weird thing is that the 2.4 g light on the front is illuminated.

I need to update the title or close this thread and open another. The new problem is that the 2.4g band does not stay active for more the 1 hr. When it is active all items connect. Could I have to...

@Tony Firmware version 1.2.5 Build 20190411 rel.52981(5553) ArcherC5400 v.2.0 So the problem that I have identified is that the smart plugs and such aren't losing connectivity. The router is dropping...

Router Archer C5400 I have been running Smart switches, plugs and bulbs for atleat a year now with no connectivity problems. I connected a KC310S2 cameras with hub and I have lost the smart switches,...

Disregard my last poat. It worked for 2 days. Now I have lost my 2nd channel (5ghz_2) for good. Comes back for about 30 seconds then disappears for an long time.

My Archer 5400 was fine until I plugged in a Seagate NAS Personnal cloud to my router. I did some trouble shooting and removed the NAS personal cloud and it stopped disappearing. Now trying to figure...