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One System Makes Modem Go Down

wifi wireless modem

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#1
Brennan C.

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Hey, everybody,

 

Bit of a weird one, here. I've got multiple devices that connect to the wireless modem/router combo in my home. There have never been any issues until about a week ago when all of a sudden the modem just kept resetting itself out of nowhere. Trial-and-error revealed that my PC being connected wirelessly was causing the problem. It's an intermittent issue; it sometimes resets every minute or so for a while, sometimes once every few minutes. The current modem is a Cisco DPC3825 provided by my ISP. Power cycling the modem hasn't helped.

 

I've been connecting my system to wireless networks for years using an old D-Link DWA-125 USB wi-fi adapter. It's an old piece of hardware, and the issue only seemed to start happening after I reinstalled the drivers for it the other day. I attempted again to reinstall it, but that didn't help, so I thought maybe that replacing it might, and I bought a Cisco AE2500 dual-band adapter. It seemed for a while that it had solved the problem, but the problem persisted after a little while. 

 

I chose to post here instead of under Hardware or somewhere else because the modem only does this when my Windows 7 PC is connected. Here are my system specs from Speccy. It's a custom-built PC that's about five years old. Threat scan from Malwarebytes Free comes back clean, as does a full scan from McAfee, which is provided for free by my ISP. I currently have a service call booked for tomorrow for my ISP to come and take a look at things, but I don't know if they'll do anything if the issue is related to my system, so I wanted to ask the competent team here at G2G: Do you have any idea what may be causing this and what can be done to resolve it?


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#2
Ztruker

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I can't think of anything your computer can do that would cause the modem to recycle. Sounds to me like the modem need to be replaced by your ISP.


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#3
123Runner

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It sounds to me also to be a modem issue from your ISP. That don't last for ever.

Have them replace it.


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#4
Brennan C.

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ISP replaced the modem yesterday, didn't solve the problem. Does anybody have any other ideas on this?


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#5
Brennan C.

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BTW, with the exception of the Wi-Fi name and password, there are no custom settings or anything like that in effect. Everything else is factory. Firmware on the modem is up to date. I am absolutely at a loss on this. 


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#6
Ztruker

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Does the modem still reset itself?


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#7
Brennan C.

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Yes, it does. It's intermittent, but that's no different than it was before. I'm connected to my neighbour's wi-fi in the meantime (with their permission) and we're not having the same problem.


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#8
Ztruker

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To me, that points to their modem still being the problem, even though they changed it. I can't think of anything else to do, sorry.


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