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I purchased a new (not renewed) SBG7600AC2 a couple of weeks ago. Within a day, we began having issues with the 2.4ghz network. I changed the security settings based on recommendations on this site. That worked for about 12 hours and then no internet again. We’ve rebooted the router multiple times and although that works, the fix only works for a few hours and then we have no internet again. Most of our devices are now on the 5ghz network but we need the 2.4ghz network for an older but often used laptop. Do we just need to return the router and get a new one? Or is there a fix that will work AND last more than a few hours? I would appreciate any help! Thanks!

If the internet connection drops only on devices connected to the 2.4GHz band, it could be due to interference on that frequency.

We recommend changing Wi-Fi channels to reduce interference.

Please refer to the link below for instructions on how to change Wi-Fi channels.

http://arris.force.com/consumers/articles/knowledge/SBG7600AC2-Changing-the-Wi-Fi-Channel

Thanks for the tip. I tried that but it didn’t work for more than a day. Is this how these routers work? You have to keep changing the channel over and over? I’d rather not do that. I had an SBG10 before this for many many years and never had any issues. We live in a house that isn’t that close to neighbors so I highly doubt there is interference from their wifi. If this cannot be resolved do I need to return this unit and purchase something else? My return window from Amazon is shrinking! 

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