Question about 2wire 2700HG-B Router (2700HGB)

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2Wire 2700HG-B No DSL Signal

The modem was working great until a tree came down and took out our power. We did not lose our phone service but after the power was restored the modem could not find a DSL signal. The phone company is now renting us a modem only and our Linksys router keeps dropping out. Is the 2Wire repairable or is it toast? It appeared to be working okay after we got our power back, but it just couldn't find a DSL signal. I tried a different phone cord, but that didn't fix the problem. I took the top cover off just now hoping there was a fuse in the phone line circuit, but if there is, it's on the underside and I haven't taken the screws out yet. I have limited electronics knowledge and a soldering iron, if someone can tell me what to do to fix this modem. Thanks

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  • Mike Wright May 11, 2010

    A power surge can be enough to cook a modem. I wouldn't recommend soldering anything. The lights may come on, but the could be the only part that still works. There isn't a fuse anywhere to replace. Does your phone pick up dial tone in the same jack? Or do you have the "stand-alone" dsl? (no dial tone)

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  • 24 Answers

I'd say it's toast. When the power comes back on after an outage, it usually comes back on in a surge. It's not uncommon for electronics to be damaged when this happens. Check with your power company and see if they can replace the modem and the router for you.

Hope this helps!

Posted on Jan 31, 2008

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2701HG-B


Hi. I will not repeat the check the phone line and resetting comments as it's now redundant.

I always have a spare modem as a line tester.

I've seen several 2700HG-B 2wire modem/routers burn out and every single time it's the DSL signal or modem portion that is burnt out. Even if you have two or three phone line surge protectors these 2700s are prone to shorting out unless you have a direct signal splitter DSL setup.

Here are a few things you can try to confirm if the 2700 is no longer functional on the DSL signal light problem.

#1: Turn on (plug in) your 2700 without the phone line plugged in and wait. If the DSL starts flashing red then there is a hardware problem in the modem/router.

#2: Plug the phone line into the 2700 while the dsl light is flashing red. It might take about 3 seconds however it should start to flash green and let it flash for about (usually) three minutes. If it turns red then the 2700 is indeed damaged.

#3: If you can enter into your modem using the http://2wire... and check the connection status. The first two status lines should read attempting to connect and no connection.


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How do you connect to the 2wire 2700HG? Wireless or ethernet? In any case I suggest to access the mdc (management and diagnostic console) of your 2wire and check the DSL Diagnostics under the Troubleshooting Category. Check the attenuation rate of your 2wire there so you can see if external problems are affecting the 2wire. The 2wire is also a modem\router and eventough it rarely affects the speed of your connection, the 2wire Firewall might also affect the speed of your cx. Another thing to check are the electrical interference on your 2wire. EMI (Electro Magnetic Interference) do affect the 2wire router greatly. I mean it LITERALLY. A great Interference can cut your signal strength from full bars to 1 bar even tough your just 10 feet away from the router. You can also check the Broadband Status on the Network at a Glance Page to check if the speed are jumping in and out. And also try to contact your Internet Service Provider or the 2wire direct technical support (1-877-3478680) for further assistance. God Bless!

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