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We have a Comcast RCA DCM425 modem. We are getting our cable through there as well. We recently tried to hook up a router to the cable modem, it didn't work, so we then hooked everything up like it was before, and now the internet isn't working.

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Hi lacrosse296,

I am sorry to learn that you are having difficulties with your service.

It is possible that the problem is with the wiring. Send us the phone number on your account at We_Can_Help@cable.comcast.com so that we can assist further.

Thanks!

Mark C.
Comcast Corp.

Posted on Jul 07, 2008

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I have a dell 2400 desktop computer. I recently got FIOS and they hooked my wife's computer to their router with an ethernet cable. Can I also hook my dell up the same way?


Depends on the hardware. Is it a router or modem? Does is have extra ports in the back,

Router with extra ports, just connect new device with wire or even wireless if it has wireless.

Modem, most likey you have to buy a router.

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How do i connect a netgear wireless router to comcast modem


Unplug your Comcast modem from your electrical outlet. Connect the Ethernet cord from the back of your Comcast modem into the Ethernet port labeled "Internet" on your new router. Connect an available Ethernet port from the back of the new router to the Ethernet port on the back of your computer.


Plug your cable modem into an electrical outlet. Plug your new router in an electrical outlet.


Reboot your computer. Click on "Start," then "Control panel." Click "Network and sharing." Select "Set up a new home network."

Click on the option for a router or cable modem when prompted by Windows to select your hardware. Your computer will attempt to access your new router. When the brand name for your router is listed, double-click it so your computer can configure itself to the new router.


Create a new name for your home network and create a unique password to prevent unauthorized users on your network. Your computer may reset your Comcast modem and router so your new changes can take effect.

Nov 04, 2010 | PC Desktops

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Hello, I have a Linksys 2.4 GHZ wireless access point router. Is there any easy way for someone to explain how I go about hooking this up to my main computer so the computer on the first floor will have...


Contact the cable company and tell them you have a router connected to your modem - they will tell your modem to access the router for it to work.

Oct 29, 2010 | PC Desktops

1 Answer

Cant get on the internet


The longer the cable, the slower the connection.

It should work with the cable as it is not "too" long.

I would try turning the modem and router off for one minute and then turning back on.

Jennifer

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1 Answer

Setting up a netgear router with comcast I had it working when I was on dsl now with cable it won't work


Unplug power to both the router and modem,Plug the power to the modem in and wait 20 seconds or until the lights steady,then plug the router in.
This happens when 2 items try to get an ip from the cable company at the same time.

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Browser and email continuously won't load


I would have to say this is a problem with Comcast, call them and ask for a line test, tell them that you are having this problem on multiple computers, and you have even tried connecting directly to the modem. If they can run a test on the line, hopefully that will shed some light on the issue.

Often times with Cable/Phone companies, the right hand doesn't know what the left is doing, be instant that they check, at the very least they can check connection to your modem from their end.

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Modem connection/comcast cable


Hi,

Depending on what modem was issued to you by Comcast, it could be connected to your computer by either a USN cable or a LAN cable. If you availed of the "free self-install kit", then you would need to buy a LAN/Ethernet cable, as to my understanding Comcast does not issue this with the modem/router. Additional information may be sourced from here.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

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Check that the wireless drivers are installed properly on both your laptop and desktop. THe certificate error is because your laptop does not "trust" your computer. Under network conections click add a connection ec, and when you try to conect, microsoft should ask you weva to trust the connections from computer to computer that should do it :D

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Ethernet Card


Do a ipconfig at the command prompt and see if you are being assigned a ip from the modem. If not try rebooting the modem with the ethernet connected to modem and computer. then do ipconfig again to see if not getting internet ip, your card or modem eternet is bad. put in a new one and try again.

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1 Answer

Became new customer to comcast-got the bundle package, internet,phone,cable. Voice overlay modem to accomodate internet and phone lines. Did not use their wireless router-using exsiting router D-Link model...


Hi jad123,

I am sorry to learn about the problems you are experiencing with your service.

I will be happy to reach out to my contacts to assist you in resolving this issue. Please feel free to contact me so that I can get more information from you.

Thanks in advance!

Mark C.
Comcast Executive Offices
We_Can_Help@cable.comcast.com

Apr 10, 2008 | PC Desktops

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