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Every day I have problems with downloads on Amazon, Netflix and You Tube. It begins late morning and continues til late at night. The picture will stall, then it will buffer, then I get the message about low bandwidth. It isn't a problem between midnight and 10am. (Yes, I watch too much tv!) I have contacted Vizio and performed a factory reset on the TV and it did not fix the problem. I recently changed from a separate wifi router to the Xfinity box with built in wifi - Model TC8305C, technicolor. Anybody else have the same problem?
It's more than likely a wireless range problem or more likely other wifi "neighbors" are on the same channel you are on.... I purchased a Cisco Range Extender and plugged my BluRay player direcrtly into it with an etherent cable... testing it from another Windows Server directly below the TV shows I am getting 97mbps on an Extreme 105 plan..... I do not have any buffering or pixelation with this setup.....
From web browser:
10.0.0.1 log in
Click edit next to the 2.4 or 5ghz channel
On Channel selection hit the manual radio button
Change the channel
Your best bet is to download an app that monitors wifi channels and it will tell you what's the strongest channel in your home.
Two and a half year old dead / marked "solved" thread now being closed. Please create a new topic of your own here if you wish detailing your issue.