This is what worked for me: We purchased our TV one year ago, everything was great. All of suddent it wouldn't connect to wifi. Tried rebooting router, TV and everything. Tried resetting TV to factory settings, nothing. Read all the blogs to see what others did, tried entering a new DNS. Nothing. Finally resorted to calling Samsung. Told them everything I did. They had me unplug my TV from power, restart router and internet service provider box. When those were recycled and ready to go, I plugged my TV in to power and turned it on and voilla! It worked. It was slow and buffering though. So I unplugged my TV again, and turned it back on after 30 seconds. It was working fine then. Something in the TV's system must need a power recycle or something. Anyway, that's what worked for me.
Sometimes it will connect to the modem but not the internet. Most if the time it doesn’t connect to the modem at all. Tried unplugging for two hours. No change. Frustrating to see this problem for over a year yet current TV s still have the same issue!
Hi there, I have had this same issue - except it was just my wifi network it wasn't finding, it could see next door's just fine.
I fixed the issue by changing my vodafone router from 5ghz to 2.4ghz and it worked.
I hope this helps.
I believe this issue is with Samsung. Im seeing 100s of these posts now and i 2 am having the same issue all the time now. Everything in the house connects fine (2 amazon units, playstation, hue bridge and all 8 lights, computer, phones.) Only the tv freaks out.
Seriously you guys need an update for this already. I have auto update set and wondering if that could be an issue? Also, its as if it cant search for a connectiin properly.