Question about RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

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I bought a RCA model DCM425 at a yard sale. I installed at a home with Internet and it wouldn't work ,all the lights were lit up. Except the message light. Cable activity - cable link- pc link - Internet - all were lit up and sometimes flashing. But I wondered If it had old phone stored in it and that stop it from working. Please get back to me. Josh

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Mediacom has to activate it. you have to have a account with them and they will use your account number and id to turn it on sorry

Posted on Oct 28, 2010

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1ST RULE,DON'T BUY FROM A YARD SALE IT MAY BE JUNK.

Posted on Sep 12, 2010

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1 Answer

Whenever I plug my ethernet cord into the modem and into my computer the internet still doesn't work


you might wanna check if the ethernet cord that you are using is working properly Internet light as well should be lit up on the RCA modem box.
Adriambo Tambuyat

Sep 08, 2011 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

I see that people are asking about driverss for the RCA dcm425 cable modem. I just bought a new computer, and I connected it to the my old dcm425 modem through a router and it works just fine. I didn't...


The trick about all this is that the software does not configure the computer, but the modem.
So once it has been configured through a computer then plugged to a router, any computer plugged to the said router will have access to the Internet.

The whole process of installing/configuring will happen if you replace the old modem and/or plug a new computer directly to the modem.

May 07, 2011 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

My modem doesn't seem to be working - keeps showing only 1light lit


Call your Internet Service Provider, and ask for Technical Support.
If they want to keep you as a customer, they will make the modem work, or replace it with one that does work.

Aug 22, 2010 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

The Modem is on and all of the wires are connected correctly, but all of the lights are on and not blinking except for the internet which is completely off. It won't connect to my computer at all now


If your internet light is off. It means you need to contact you internet provider because they need to configure your modem/router for your username and password. You can only get that information from your internet provider.

Jul 03, 2010 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

When connect the power I get all solid lights except for the Internet light. Reset does nothing. I got the Modem on Ebay from a past Comcast user. Any ideas? Is it a goner? Thanks... Darryl From Portland...


You have to notify comcast, to let them know you bought a new modem. Comcast uses a two way communications to all of there devices, and it is not setup on your new modem.

Dec 06, 2009 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

2 Answers

The internet light is flashing on the rca dcm425 i reset it and the router and still cannot connect but the cable is working and the light just flashes


My RCA DCM425C from Comcast had the same problem when I came home Saturday, 11/14/09 (coincidentally the same day you posted). Had been working fine - cable TV still works fine including On Demand, etc. The Internet light was blinking. Occasionally I'd see it try to work from one light to three or four, but it always came back to one. Called Comcast, they said their side showed "no signal". Sent out a tech today. He replaced the cable modem, reprovisioned it (I guess if I had a backup ready I could have done the provisioning over the phone maybe?)), everything's great. Lasted about a year and a half. When I logged in via http://192.168.100.1, it said it was still in Step 1 of 5 ("Tuning"), and the logs showed a whole bunch of errors on Saturday that stopped after that. Diagnostics would always freeze the built-in web server and require reboot.

Nov 14, 2009 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

RCA Modem DC425 all lights on except internet light. No connection.


Contact your cable-modem Internet Service Provider.
Ask them if they support your make/model of cable-modem,
and ask them to help you trouble-shoot.

Oct 26, 2009 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

6 Answers

Internet Light keeps blinking - all others are out - No internet


HI,

Blinking green internet light is normal BUT you must check if theres any dsl outage in your area..You can contact your ISP for that.

But then maybe you can try this:

Turn your PC off > then you modem or router.. after 60 secs turn your modem or router ON first then your PC and check if you can go online.

If you called your internet service provider {ISP} and no reported outage let me know and we'l solution for that.

Keep me posted.

Cheers.

Jun 16, 2008 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

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