sudden router problem

ziggystar70 · Sep 19, 2013

I have a 2wire 2701HG-B, which has been working great. I have good wired connections. A few days ago, whenever I connect my laptop wirelessly, or another desktop with a wireless card, the 2wire flashes, disconnects, and acts like it reboots. Last year I had modem problems which turned out to be the power adapter. I bought a new router/modem with the power adapter. So now I have two. I reconfigured my old one and it does the same thing. That is, it works great wired until I connect something wireless, then it loses all connections.
Two bad modem/routers is a stretch, I think. Any suggestions, anyone?

Onus · Sep 19, 2013

Is the laptop using DHCP? Is it trying to act as a DHCP server? Make sure the answer is yes, but only as a client.

jhaselu · Sep 19, 2013

Onus :

The laptop (Win8) shows up in the home network summary as DHCP. The Desktop (Win7) wireless the same. I'm not sure I understand your question regarding DHCP server.

Onus · Sep 19, 2013

A single device only on a network should act as the DHCP server (the device that assigns IP addresses). Normally this is the router. Make sure the laptop is not also trying to be a DHCP server, only a client.

jhaselu · Sep 19, 2013

Onus :

My apologies. Is there an easy way to tell? This is a bit beyond my experience.
I have turned off the laptop, disconnected it, and tried the desktop PC wireless connection. It knocks the connection off that way also. I got an old DLink router and plugged it into the 2wire, disabled the wireless on the 2wire, and am able to get a wireless connection on the DLink. Still no wireless connection on the 2wire, and it still resets the router.
How can I tell if one of my other computers is acting as a server?.

jhaselu · Sep 19, 2013

i've been checking the forums and came across this:
<http://www.tomshardware.com/forum/26908-43-vista-laptop-connecting-internet>
does this seem viable?
by the way Onus, thank you for your help.

Onus · Sep 19, 2013

There may be a problem with your router, if any wireless connection kicks other connected systems off. I'm not familiar with that particular router, so unfortunately I can't be any more specific than that. You may need to really study its manual. Check on the manufacturer's web site, as they may have a forum or they may offer technical support.

jhaselu · Sep 19, 2013

thank you Onus

jhaselu · Sep 21, 2013

Problem solved. The modem/router comes with a borderline power supply. Thanks to a suggestion from "ComputerJoe" at ATT Community Forums, upgrading the PS was the solution. Since it was a 5.1V, I hooked into a lead from an old desktop PS to test it, and no problems at all. Thanks again for suggestions from this site. J

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