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5 Messages

Fri, Dec 3, 2021 12:55 AM

Internet keeps dropping when connected to router via ethernet cable

I have a BGW210-700 router from AT&T. The router is sitting on my desk, and it's connected to my Dell laptop via an ethernet cable. I have turned off the Wi-Fi on the laptop (so there should be no confusion about how the internet is connected). The problem is that when the laptop is connected via wire, the internet connection drops multiple times an hour, for anywhere from 0.5 sec - 3 sec at a time (in the Firefox browser, I see a "No internet connection" message pop up briefly). If I disconnect the wire and use wi-fi, everything works fine and there are no connection issues. I could do that, but if I run over wi-fi, my download speed is 10Mbps slower than wired, so I'd prefer to use the ethernet cable if possible. What can I do to fix this?


1) I've tried two different ethernet cables, and both have the same problem.

2) I've tried plugging into two different outgoing ports on the back of the router, and both have the same problem.

3) I don't use a VPN.

4) This has been going on for a long time (over a year). I've just exhausted other options and am finally posting here.

5) Again, I have never seen this problem with any devices (laptop, phone, etc.) connected via wi-fi. Also, I have a DirecTV Stream device connected via an ethernet cable, and I've never seen the problem with that cable (and this is one of the two cables I tested with in (1) above).

Accepted Solution

Official Solution


New Member


5 Messages

1 year ago

Ugh. Soon after I posted the question, it occurred to me that it could be a Dell problem, not an AT&T problem. And I found this: https://www.dell.com/community/Inspiron/Ethernet-wired-connection-keeps-disconnecting/td-p/6216566 . I've made those changes and will monitor over the next day to see if that fixes the problem.


Community Support


203.7K Messages

1 year ago

We're here to help with your ethernet connection, @mwinstan!


Thank you for letting us know what steps you've taken to attempt to remedy this yourself! If after 24-48 hours you continue to experience the connection drops, let us know!


Don't hesitate to reach back out if you need our help during hat time. Thank you for choosing AT&T Community Forums!


CalebP, AT&T Community Specialist 

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