Computer Support Forum

Crossover cable need to connect cable modem to router?

Question: Crossover cable need to connect cable modem to router?

Like the title says, is a crossover cable needed to connect a cable modem to a router? Or will standard straight through work? Or either?


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Preferred Solution: Crossover cable need to connect cable modem to router?

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Answer: Crossover cable need to connect cable modem to router?

Many times a standard straight-through cable will work just fine.

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Hi All,
I have Laptop Toshiba Satellite L775, windows 7. I used cable modem Motorola SURFboard SBG6580 and it was working fine. Then I changed my ISP to Century Link and used their DSL modem and still everything worked just fine. Now I moved to another city and used same cable modem (SBG6580) and connected my business PC thru ethernet and it is working fine. The problem is with my laptop which I tried to connect wirelessly but coudn't so I tried to connect it thru ethernet but it does not even recognizes it. Funny thing is my hard wired computer has picked up same network name thru modem and is working fine both thru ethernet and wifi (this computer I am using first time with this modem).
My laptop find available networks and when I select my network with password, some time it says connected with limited access and some time "windows was unable to connect" message. I tried most of the solutions by calling Suddenlink and Motorola but no luck. I am wordering if it has to do anything with centurylink's DSL modem being used on this laptop before and somehow blocking cable modem?
Any help?

Answer:Solved: Cable modem to DSL back to cable modem-now my laptop can't connect to interne

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Just moved in and brought my ADSL wifi modem Belkin F1PI241EGau with me, but over here there is cable and the provider supplied me with their modem motorola Surfboard SB5101E. I would like to connect these two to use the wifi. Would that be possible?

Thank you

Answer:Can i connect my adsl2/2+ wifi modem/router to cable modem?

Not really. The ADSL router doesn't have the correct WAN interface. You need a standard router with an Ethernet WAN connection.

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Thia has me baffled? Everything was working fine this morning and then latter in the day I lost my high speed cable connection. I went to my routers status page and it showed that the router was trying to get an IP from the cable modem but couldn't. I reset the cable modem, router, and PC. Still no go it just sits there at reconfiguring. I checked all the cables and they are OK. I can connect a PC directly to the cable modem and it will get an IP. Tried a second router and it wouldn't get an IP ether. 2 bad routers? I connected the 3-com routers WAN port to a LAN port on the D-link and it got an IP from the D-link. The D-link was also able to get an IP from the 3-com. Called my ISP but they won't talk to you about router problems, it's not there problem. I've reset both routers back to defaults and gone though all the settings. I don't know what to do next? Neither router has wireless.

Answer:Can't connect to cable modem with router

Update the firmware on the router. Sometimes the ISP makes a change that requires that you have the most recent firmware for your router.

Sounds like you can get to the net by connecting the modem directly to the PC. You'll need to do that to download the firmware.

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Alright. Right now I'm getting my internet from a Cable Modem. The Cable Modem has only 1 ethernet cable slot (where it connects to my computer). The problem is, I want to have another ethernet cable slot avaliable so I may play XBox Live without disconnecting the computer.

I have a DSL Router here, WITHOUT the cable thing (the metal part that sticks out in order to screw the cable to). I also have 2 ethernet cables. How do I go about configuring this mess?

Answer:How do I connect my Cable Modem to a DSL Router?

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Hi Guys,

I used verizon wireless broadband service for an year . Now I?m switched to roadrunner. The problem is cable modem is not wireless so I feel uncomfortable with the wires and all.
I still have DSL broadband router that Verizon provided (Westell Versalink 327w). This has DSL connector for in and regular 4 Ethernet connector.
Is it possible to connect this router to cable modem and use it as normal router? If possible is it very difficult to seup?
My cabel modem is RCA DCM425 (

Thanks a lot

Answer:Can I connect Cable modem to DSL router?

no. DSL and cable internet are two very different technologies. You'll need a standard router that you can use with any type of ISP. Then all you need is a cable modem or a DSL modem depending upon the type of service you have.

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So I have the internet setup fine via ethernet. My problem is I got a dsl wireless Netopia router. and it has a dsl connection only and 4 ethernet ports. Can someonw please help me with figuring out a way to make this thing work with the circumstances.

Answer:How do you connect a cable modem to a dsl wireless router

More info needed, what modem are you using? You say you have a dsl wireless router then in the next breath say it has dsl only connection? So which is it a Wireless/Ethernet router or just an Ethernet router?

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Is there a way to connect a Cable modem to an ADSL-Router (US robotics) ? Previously I was using a wireless adsl-router but since I moved, I am using a cable modem.
I would like to be able to use my ADSL-Router in order to share the connection. Is it poosible to connect the RJ45 coming out of the cable modem to the RJ11 Adsl-Router ?

Answer:Connect a Cable modem to an ADSL-Router

The better idea would be to purchase a wireless hub or wireless gateway with a built in hub for the connection sharing (safer surfing on cable with gateway than without), I never have tried to cross cable and ASDL type equipment connections before and not sure if there is a way

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RESOLVED -- But who know how??

I receive my comcast internet via a motorolla cable modem. I connect the cable modem to a Linksys WRT54G that feeds multiple computers via cat6.

Yesterday I lost connection to the internet on my computers even thought the cable modem checked out fine. The lights on the WRT54G look like they are working properly. I am not able to ping anything. Norton scan on my computer passes. The wireless router shows up as a valid wifi on my phone.

Internet works if I connect my main desktop to the cable modem.

Any ideas on what went wrong, or how to troubleshoot this problem?

Answer:Cable modem works - but router doesn't connect??

reboot cable modem?

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I bought an ASUS Black Diamond Dual Band Wireless-N 600 Router (RT-N56U) to upgrade from my older router but I'm having a problem: It won't connect to my cable modem (via the WAN ethernet port), so I can't connect to the internet.

When I connect the router to my computer via ethernet cable, the light on the ethernet port of the router comes on (an orange LED light), but when I connect my cable modem (or computer) to the the router through the WAN ethernet port, the WAN port's LED does not come on at all and I keep getting an error message on my browser saying that I need to make sure the ethernet cable is connected.

I've tried three different ethernet cables, including the one that came with the router, with no luck (WAN LED lights never come on, so I assume that this means that there is no activity at all). I've also tried cloning the MAC address, restoring to factory default, updating the routers firmware, and holding the reset button on the modem for 15 seconds, among other things. Does anyone have an idea of what the problem could be?

Also, something that might be worth noting: While one end is connected to my modem, if I plug the ethernet cord into one of the 4 ethernet ports on the router, the green LED instantly turns on but, as I said before, there's no activity when plugged into the WAN port.

My modem is an Arris TM052G (DOCSIS 2.0) provided by my ISP, Time Wa... Read more

Answer:RT-N56U router wont connect to my cable modem

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Hi guys,
So I have Time Warner Cable Modem (with built in wireless). The wireless isn't really stable and I'm not even that far away from the modem (maybe like 15 ft max). That said, I also have a wireless router just laying around. Is there a possibility that I can connect my wireless router to the Time Warner Cable Modem so that I can actually get the speeds I paid for? <----- I tried reading those steps but still find it a bit confusing (Step 4-8)? Can someone please explain it in more simple terms? I'm kind of a noob when it comes to networking.


Answer:How To Connect Wireless Router To Time Warner Cable Modem?

You need to login to the TWC modem via the web interface. I believe it's From there, you can disable wireless, and change the router into bridge/modem mode or whatever they call it. It disables the entire routing portion of the device and turns it into a simple cable modem. From there, plug your router into any of the ports on the cable modem (I use #1), and set your wireless router to DHCP (probably already is).

I'm assuming the TWC device is a Motorola Surfboard something or other. I have the exact same modem, and did this the day I got it.

Also, call TWC if you have trouble. They will disable it for you remotely, or give you instructions on how to.

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Can i use CROSSOVER ETHERNET cable to connect to adsl modem?

I am just waiting for the broadband package to arrive any day now so just buying the needed hardware..

I want to connect 2 computers at home via network cards using CROSSOVER ETHERNET cable BUT... WILL this cable work with The modem or can u ONLY use normal straight through ETHERNET cable?

Is ther a difference?

Thanks Heaps,


Answer:ETHERNT & Crossover cable with modem,LAN question

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i want to connect 2 pc using crossover cable
please give me a guide to how to do that
my main point is gaming but also sharing
i want to know how to connect them to be able to play multiplayer games using lan
of course i'm using win 7 on both
thanks a lot

Answer:how to connect 2 pc with crossover cable

there is no one to answer???

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I'm trying to retrieve some files on my XP laptop from my 7 laptop and I have a crossover cable. I can't figure out how to do it. Do I have to create a domain or workgroup?


Answer:Connect 7 to XP via crossover cable

Here is a link with instructions.

Its far simpler if you have a friend with a old linksys or other brand home router that you could borrow.

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How can I connect my Windows 7 computer to a dinosaur Windows 98 with a crossover cable to transfer files?

Answer:W7 connect to W98 w/crossover cable?

How? Connect one end of the cable to one computer and the other end to the other computer.

See this thread (Barman58's post) and tell us what, if any, problems you run into.

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Alright heres my situation. I have a main rig with 802.11G wireless connect...cannot get a line drop to this PC. But i have another PC right next to it which i want to use for file storage etc... is it possible with a crossover cable to connect the two together while maintaining the wireless net on this pc and possibly sharing the wireless net to the other pc thru the crossover cable. This PC is connected with linksys PCI adapter wireless card. while im using 10/100 connections on the mobos of each PC for the crossover. any help is apperciated....setup etc of how to do this if i can thanks!

Answer:Connect 2 PCs W/Crossover Cable

Yes, this is possible but I don't really recommend it especially if you can just get another wireless adaptor for the second system. I know it's possible since I was doing this before between three systems although I have modified things with a router working as a switch.

What you will have to do is connect the two systems with the crossover cable. After that, run the Network Setup Wizard on the system with the wireless adaptor. Select the option that says this computer connects directly to the internet. After that, select the wireless adaptor as the connection that connects to the internet directly. Then you may be asked which network adaptor is used to connect to the local network. If you only have one wired NIC, then you may not see this option. I'm not sure as I have two of them and always see this step. If you do have two wired NIC's, then select the one that is connected to the other computer. Do not have both selected as you don't want Windows to bridge the connections. I've done this and it has some problems. I had no choice when I did it as I needed both NIC's so I could connect two computers. After that, finish up the wizard normally saying yes you want to share files and printers.

After you finish that, the wired NIC will now be using the IP Make sure your router is not using that IP or you will run into conflicts and your wired NIC will not connect to the second computer. I should have mentioned that earlier. I... Read more

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I am attempting to connect my laptop to my PC using a crossover cable. My intention is to use the PC as a storage device and to use the dvd drives.I have already set up a wireless network which works fine but is slow.I followed the instructions from click here but I get a limited or no connectivity message any idea of what I have done wrong

Answer:Connect laptop to PC with crossover cable

I think the best idea would be to repost this in the network forum. ;)Chris

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Ok, this is my first time I just connected a crossover cable and thought it was be plug and play, nope, it gives me on both comps the Local Area Connection status as limited or no connectivity, there is a little padlock on the activity iccon.

What should I do next then? I imagine that there is some permission to unlock but I don't know where or how?

Answer:Connect 2 comps with crossover cable.

What operating system? Have you walked through the networking wizard?

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I am attempting to connect my laptop to my PC using a crossover cable. My intention is to use the PC as a storage device and to use the dvd drives.I have already set up a wireless network which works fine but is slow.I followed the instructions from click herebut I get a limited or no connectivity message any idea of what I have done wrong

Answer:connect laptop to pc with crossover cable

please disregard moving thread to networking

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I need to connect a printer via crossover cable to a Win7/64 laptop. The printer has a USB port, but it is defective. I created a xover cable (and tested it so I know it's good). How do I set up this printer (HP Deskjet 6940) using the xover cable connected to the ethernet port on the laptop?

I found this thread, but as the last post indicates, it lacks the details needed to do the job.
Installing printer via Ethernet Cable

I connected the printer to the laptop with the xover cable, ran through the printer wizard to install the HP6940 drivers as per the Win7 printer installation routine, but nothing will print. I tried the MS FixIt routine and still no printing.

Any suggestions how to fix this? All I see is an error - printing for this printer when I open up active printers.


Answer:Connect printer via crossover cable

Speedlever, the crossover cable is designed for when you are assigning IP's directly on the two machines.
setting the IP for the printer has to be accomplised at the panel on the printer. Same on the PC.

Suggest that you just get a ethernet switch and connect your pc and the printer to it and then to your router
so that your pc and the printer will receive an IP. The printer cdrom will find it if the printers ethernet port
is ok and it has picked up an IP from your router via the switch.
Unless your router has a spare ethernet port and then all you have to do is connect it to your printer.

Although, if your USB port on the printer is defective, there is a possibility that the electronics has problems and the IP port might not work either.

Time for a new printer


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So I bought a crossover cable just to connect two laptops. Like, a network. Mine is running on windows 7 and the other laptop is running on Vista. So I configured both laptops to be in the same workgroup (left the homegroup in win7) and configured both NIC's to have an IP in the same class - one of them is and the other one is and subnet masks are the same Now, I should be able to ping each of the laptops. But it pings only from Vista ( to Win7 ( and not the other way. Network window in win7 shows some computers in the different network, but in the same building, but does not show the laptop connected with the crossover cable. Network window in win vista does not show any computers. Both computers have some shared folders (for users Guest and Everyone).

I would really like to know what am I doing wrong, and how do I connect these two computers so I could easily transfer some files?

Thanks in advance.

Answer:Connect 2 laptops with crossover cable

Are you certain that the firewall is configured to allow ECHO REQUESTS on the Vista box. If you cannot ping it, it may be the Windows firewall preventing it from responding.

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Clueless one here.

I purchased a Dell Inspiron 4000 Laptop through an old workplace several years ago and want to connect it to the internet using a 3COM FE575C-3COM 10/100 PCMCIA card with a dongle. The laptop is still set up to connect through a VPN that no longer exits (old workplace went under). and I'm not sure if that's hindering things. That'd be great to erase all settings for that if someone wanted to walk me through it, but that's not the main reason I need help. I am the "admin" and have the "admin" password on the laptop.

First off, the laptop can see the hardware (ethernet card) when I insert it, but the connection is NOT showing up on my Netgear router that is connected to my Comcast Cable Modem (which is currently working on my MAC and how I'm typing here). When I go to set up internet connection on my laptop, I'm pretty clueless as to what to do (obviously not dial-up). I've created about 2 new VPN's, but nothing works. I don't have wireless, but I did have a wireless card that was able to get me onto the internet a few times (presumably mooching bandwidth which I don't want to do), so I know it can work or at least should work with a correct card set-up. I don't know if the hardware I bought is bad, the internet connection is just not set up correctly and/or why my router is not even seeing my second computer.


Answer:Connect Dell Windows 2000 Laptop via cable modem using a router and PCMCIA LAN card

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(the topic is a bit offbeat but moderators please dont junk this topic )

I am having problems trying to connect my lappie and my workstation for sharing files not internet.
my IPs are and with subnet mask as - the rest fields are blank.
I always create a new home connection whenever I try to connect them but somehow files dont transfer. it says network name not found.

all firewalls are down- turned the windows one OFF and for zonealarm allowed the connection into trusted zone

i am guessing the required services are not running. can anyone please help me?

Answer:how to connect a laptop with a desktop via crossover cable(cat 5)?

Can they ping each other?

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I booted up both computers with the rj crossover connected and
my windows xp computer assigned an address of
and the 98se assigned

Im trying to transfer files back and forth etc...

any suggestions?

Thanks much.


Answer:Solved: trying to use crossover cable to connect xp to 98se

With a crossover cable, you will need to assign ip addresses . . 192.168.1.XX range . . and use the same subnet

This is a good guide to networking . .

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I was told that you can connect two computers directly with a network cross-over cable. Is it possible? and if so how would i do it?

Answer:dirct connect w/ network crossover cable...

... plug one end of the crossover cable into one PC, the other into the second.

If you would like more details on what a 'crossover' cable is and what differentiates it from a normal networking cable, I'd recommend you go to and search for "Crossover Cable" -- this leads you to several DIY guides and an explanation into the differences. Essentially a crossover cable is a network cable with the standard end on one side and pins 1,2,3 and 6 criss-crossed on the other.

If you are running windows and both network cards are in operational order, windows should assign an ARPA/APIPA IP address in the 169.254.x.x range on both machines with an open subnet mask of -- at this point both machines may be able to find eachother however this method is not recommended, it just functions this way by default.

The recommended way would be to set both machines to 192.168.x.x (fill in the X's with numbers such as for PC1 and for PC2) and then connect the cable.

You should now be able to connect to the machines in kind, however you may have trouble seeing the machines by their names. i.e. you may have to use their IP addresses to map to them.

This can usually be solved by going into your TCP/IP properties (in your network connections preferences) and enabling NETBIOS over TCP/IP (under the WINS tab.) You may also want to check the box that says "register this computer in DNS" (in the DNS tab.... Read more

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How would you go about testing a Crossover cable with something like this it would report it as being bad, so could you plug something like this Cat6 Crossover Adapter into the cable tester and the tester would show good if the crossover cable is good?

Answer:Testing Crossover cable with cheap Network Cable tester

I'm not sure it would report the cable as bad, per se, since the description for the unit says it will identify cross-connects, which is what it would detect with a good x-over patch cable

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Hi, I'm trying to connect a
PC with Windows 7 Professional
with another with Windows 7 Home Premium
using an Ethernet cable.
PC - 1

IP Address - Subnet Mask -
PC - 2

IP Address - Subnet Mask -
Restart, but nothing happens, no connection between them. Anyone can help me?

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Is it possible to set up a workgroup between two computers without connecting them with a crossover cable or setting it up over a wireless network?

Thank you for your time.

Answer:Setting up a workgroup wtihout crossover cable or wifi router

You turn one machine into a file server or a NAS
That's about the only way I know of though, and then the other computer would basically just be a file server.

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Here's what I have:

I have a router that provides internet access and connectivity to 2 PC's over lan cables and multiple other stuff over the wireless connection.
One of those two pc's connected over lan is my desktop computer.
My desktop computer has 2 lan ports one is connected to the router and it's used for accessing the internet or sharing files with computers connected with the router.

Here's what I want to do:
I want to use the other lan connector on my desktop computer to directly connect my new laptop so that it can be set it up as a render slave.
I need to connect it directly because it's much faster that way and the router doesn't have more than 2 lan connectors which are both used.

I tried various ways to set up, with straight or crossed cable. I got the direct connection working but the problem is that to make it work the default gateway has to be set.
And if the default gateway is set on desktop connection 2 and laptop connection, there is no internet access on the desktop:

router address:

desktop connection 1 > with the router:
default gateway

desktop connection 2 > for direct connection with the laptop
default gateway
dns: none

Laptop connection > for direct connection with the desktop
default gateway
dns: none

---------... Read more

Answer:default gateway troubles - crossover cable, router, internet problems

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I am networking my house and about to go out and buy everything.

I currently have An ADSL 4 port router (10/100) that gives me Internet connection to my three computers on my first floor. I want to give the computers on my second floor access to the network and Internet, I was just wondering on what type of cables I should use.

As I only have one port left I was thinking of buying a hub that would be on my second floor (this would also mean I would only need one one single cable running from downstairs to upstairs). Now should I be using a normal Cat5e network cable to connect the router and the hub or a crossover cable?

From the hub on the second floor I would then connect the other computers I have using normal Cat5e network cables.

Does all this make sense?

Thanks in advance

Answer:Crossover cable or Normal network cable?

you would use a normal straight through cable to connet the router to the hub. You only need a crossover when directly connecting two pc's.

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I'm a little low on ethernet cables, can I use a crossover cable to connect one of my machines to a switch instead of a regular cable?

Answer:Can a Crossover Cable Be Used As A Regular Cable?

Into an uplink port on an older switch....
or on todays newer auto-detect prob.

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Can someone please help me ~...Ive got a Linksys WAG54G v2 ADSL modem router that I have been using for the past year or so with an ADSL service provider. I have now changed my service provider to Cable and was wondering if I can use the Linksys with this. If I can, what do I need to do?

Answer:Use ADSL wireless modem router with cable modem

There are just a few ADSL modem/routers that can accept an external ADSL modem via a USB port, but even fewer that can accept a Cable modem through an RJ45 port - the encapsulation has a big influence. To my knowledge, the Linksys models are not capable of it (although your model number is not clear - do you mean the WAG54GS or the WAG354G?)Prerequisites include the ability to switch any one RJ45 port to a modem port, the ability to disable/bypass the internal ADSL modem either manually or automatically and the ability to accept a PPPoE modem signal.

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I have a Netgear DGN2200 (N300 Wireless ASDL + Modem Router) that I got from Goodwill. There is no WAN port behind the router... only LAN ports I see. How do I setup my Arris Cable modem to this Netgear Modem Router? I need help PLEASE!

Link to Netgear DGN2200:

Link to Arris Cable Modem (PDF):

Answer:Netgear Modem Router & Arris Cable Modem

if its ADSL you cannot use it as a router on a cable modem, its designed to connect to the telephone line and has a modem within the device

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When I try connecting my PC to my cable modem via Ethernet cable there is no internet access, but it does say its connected ( windows xp and 7...2 different PCs). But when I plug in my wireless router directly to the cable modem, I get internet access, what gives? I did reset everything and this problem still occurs. I'm not a total noob when it comes to networking, but this is baffling! I did troubleshooting over the internet, no help at all

(btw for folks who know about ps3...When my ps3 is directly connected to the cable modem I get NAT type 1, and online play works flawless. yet why wouldn't doesn't the internet work on my pc?)

Answer:cable modem to pc, no good...modem to router to pc

Brand and model of the cable modem?

For "my PC" connected to the modem please show ...

Start, Run, CMD, OK to open a command prompt:
(For Vista or 7 type CMD in the Search box after Start)

Type the following command:


[Note that there is no space between the slash and ALL.]

Right click in the command window and choose Select All, then hit Enter.
Paste the results in a message here.

If necessary use a text file and removable media to copy the results to a computer with internet access.

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basically i need to setup an additional wireless router to my isp's cable modem / wireless router combo, but they deny me access their modem page. maybe a long post, bare with me. heard this site was the place to go for this type of question. all help is appreciated!

i switched ISP's about a year ago, and when i tried to access my router page to port forward i couldn't get in. so i called and they explained they have their own password on their router so user's cannot change any settings. i tried to explain how this doesn't work for me an was basically told to bad. i said fine, can you just forward a port for me then, he said nope, "these routers don't have that capability" which is bullshit. i said ok i'll just reset it my self and use the default passwords, and i did, and withing a day or 2 tops the settings get switched back and im locked out again.

im in a 2 year contract so can't just back out, my ratio has been dropping on sites and need it for security system. i sent a msg to the staff and explained my situation, and we figured if i got my own wireless router, they cant do anything right?

so i just picked up a wireless router, its a d-link DIR-605-L, i thought i was just going to hook it up to the modem like the old days before isp's had the combo's, then realized it may not be as easy as it sounds. especially if i cant get into their router page.

can any one save me time and give me some help?... Read more

Answer:Connnect Wireless Router to Motorola SBG901 Cable Modem/Router Combo -ISP Deny Access

Re: Connnect Wireless Router to Motorola SBG901 Cable Modem/Router Combo -ISP Deny Ac

i got the wireless router working, but im having alot of trouble port forwarding now. (some please answer, i got a paralyzed arm and takes me forever to type all this shit)

when setting up the router i noticed the box that i thought was for the phones only is actually the modem (arris tm602g) it says telephony on it, and had a spot for a phone line and tv cable wire, i pulled off a sticker and there was an ethernet port there. i tried setting it up direct but couldnt get it to connect. so the motorola sbg901 must just be the wireless router.

i hooked everything back up, then installed the new dlink dir-605L router like i normally would. after setting it up, it works great. i can connect to whatever wireless router i want. i have 4 or 5 pc's not including iphone and tablets, im no genius but everyone else in the house dont know how to copy and paste (literally) so i'd like to keep both routers, and use the new one just for me and my settings.

will this interfere with me being able to port forward? i've done it 1000 times on old routers and its pretty basic. but for whatever reason ive tried everything for hours and i get no where. im beyond frusterated.

i setup a static ip
i used

dns i tried a few different ones from following guides

i just went to the status section and it has
LAN: 192.168... Read more

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Win XP pro is on Toshiba PCX2500 Cable modem. I also want to connect my win 98 PC to this modem (which is presently on dialup.) My ISP says its OK but get your Tech to do it. Is it so difficult? Thanks

Answer:How do I connect a second PC to my cable modem?

Get the Win 98 talking to the XP using a network, then set up Internet Connection Sharing. XP has a wizard to make it easy.

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am to doing this....
have had a this acer lap top for 2 months.. using charter cable for internet access.. ethernet cable cannection.. 3 weeks ago stopped being able to to connect to the internet... charter says it is the computer... i am able to user the wireless connection fine.. have taken the laptop to the electronics store and it connects to their lan good and surfs.. but at home it will not get a valid ip addresss. per the cable company, the problem is the computer.. also when connected i am not able to select private network in network and sharing...and per charter this is the problem anybody got any idea....

Answer:can't connect using cable modem

Hi suomi64,
Welcome to the forums.
I would bypass the router and plug a Ethernet cable from the charter cable modem directly to the laptop and see what happens. If it works then try a different port on your router.

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Well, not really how. More like: how is it possible?

How is that with my LAN set up with a subnet of 192.168.3/24, that I'm able to pull up the web interface of my Arris cable modem at, which would seem to be on a separate network?

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I am a bit new at this.

My boyfriend's computer is using Comcast which is a cable connection. He is running Win XP and he has a network card in his PC.

My PC is running Win 98 SE, and I have always used a dial up and there isn't a network card.

I would like to be able to have both PC use one cable connection, but I am not sure what I need to do it.

I went to BestBuy and they were no help. I was told to purchase a Linksys Wireless - B Broadband Router, but it seems like I might need a network card, if want to have it hard wired to my PC. Or I might need a Wireless - B PCI adapter. Is this right?????

I want to do this as cheap as possible. What do I need to do this? Or is there some other easier way to connect my PC using the same internet connection.

I don't know if this is important or not, but we don't have to have our computers networked to share the same printer, it it will make things easier.

Thanks for any help!


Answer:Trying to connect 2 PC using Cable modem

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I will be getting a new computer this week, and I currently have a cable internet connection. This computer will be going one floor down, to the basement. We would like to have both pcs hooked to the same cable connection. Do I just run them through a splitter, or is there some other way I will need to do this? I have read about "hubs" & "routers", but am not too technical regarding these things. It is not necessary for us to have the two pcs "networked" is for the kids. Any easy answers?

Answer:How to connect 2 pcs w/one cable modem?

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I know that there has been several threads re net working etc but please bear with me and answer this simple question. My modem Toshiba PCX 2500 can take two computer on cable connection. I presently have Win XP pro on it and as far as I can understand(which is little !) the USB port is the only port not in use on this modem. Now comes my question, If I connect a cable from my Windows 98 PC USB, direct to the modem USB, will this work? Will my win98 also be using the cable. It is presently on dial-up with internal modem. It has no networking card. What do u say please?

Answer:connect two PC's to one cable modem

I'm not sure, but I beleive that you can use only the network port on the modem OR the USB port. This means that you would have to get a network hub to connect your modem to, and then a network card for your other PC.I think I have read the tech sheet right, but I may not have.Has somebody else got any ideas?

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Ok, here's the run-down. I have Comcast Cable with a Motorola SB5101 modem. Earlier today I was trying to get an online game to work and I enabled DMZ for like 5 minutes. It didn't help my problem, so I disabled it and my settings were as they were originally. This is the only setting I ever changed, and I set it right back. However, whatever change it made doesn't seem to have been reversed. I don't really know what DMZ means or does (and I guess it's irrelevant), but I can no longer connect to the Internet.

My computers can all see each other via my router (Linksys WRT54G with DD-WRT firmware), but none of them can connect to the Internet. Connecting a computer directly to the cable modem works like a charm.

My question is, how do I get my router to get an IP address from the cable modem? I've power-cycled and rebooted my computer, cable modem, and router until my head exploded, and the router still says WAN IP: As I said, if I connect directly from PC > cable modem, I get a WAN IP and have full access to the Internet, but the router appears to not be getting an IP from the modem.

I have set the MAC address on the router to clone to the one on the modem, is that what I'm supposed to do? I get no connection through the router whether I clone my PC's MAC address or the cable modem's MAC address. Furthermore, if I am supposed to use the cable modem's MAC, should I use the one that says HFC MA... Read more

Answer:Router will not get IP from cable modem

Ok, this doesn't really make sense to me, but I told the router to clone the MAC address printed on the label on the bottom of the router. So it's cloning it's on MAC address, and that works?? I don't get why, as I thought the router needed to have the modem's MAC address so the ISP would think it was still seeing the modem. Ah, oh well, it's working now!

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Hi there,

I have an Unex ISO50s Router and an NTL cable modem 1mb. I have connected the modem to the Ethernet WAN Port and three PC to Lan ports. But none of the pc's has a connection to the internet. I had installed to all pc's the NTL software and I connected to the internet with each pc separetely. Then I installed the router with its default configuration and following the user guide. All the ip are given from the router.
I cannot understand how the pc is going to communicate through the router with the modem.
When I ping my ISP I have a reply from the gateway(router) but the final destination is unreachable.

Reply from bytes=32 time<1ms TTL=128 : Destination unreachable

Is there anyway you could help me please ?

Answer:Router and Cable Modem

Sounds like your router is not getting an IP from the ISP.

Is your IP static, or?

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can any help me on how to connect my airtel mpls modem to a router

Answer:modem to router cable

I would expect it to be either an RJ11 modem lead (small square plugs) or an RJ45 Ethernet (larger, more rectangular plugs). That's assuming that you have the right bits of kit to work together. Do a Google image search for those RJ numbers and see if they look right, then head over to Ebuyer or the local PCWorld or wherever you prefer. There are different flavours of RJ45, but any standard Cat5 patch cable should be fine.

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Specs :
DEll Dimension 8250 Desktop PC
ISP- Adelphia
Modem- SB5100 Cable Modem (connects by USB)
Netgear Wireless Router (model WGT624)

When I try to run the netgear CD, I follow all the steps. Then, when its restarting my network, it says there is an error. (could not find internet connection.)
I think the problem is that my modem is connected to my pc by usb and it needs to be connected by ethernet. My modem has an ethernet port, but I have attempted to connect my modem to my ethernet port on my PC like 30 times. No Success.
My computer only seems to recognize the internet when My modem is connected by usb, which is a big problem.
I tried contacting Motorola support, but they suck. I already returned my linksys Wireless G (WRT54G) router because I thought that it was the router, not my modem. SO. Anyone that could help me would be incredible.




Answer:usb cable modem/ router

OK. when I go to add a hardware device manager, My cable modem only shows up when its plugged un by usb. I tried to uninstall USB drivers and then reinstall my cable modem through ethernet, but My computer doesnt seem to recognize the connection via ethernet.

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My brother is getting a cable modem hooked up tomorrow and was told to get a router for the firewall protection. He only has 1 computer in the house so should he get a router or just use firewall software for protection? Thanks

Answer:Cable Modem Router ?

hardware routers/firewalls have a little more protection than software firewalls, so it wouldnt be a bad idea to get one, but then again, if he only has one computer he shouldn't worry too much about it, especially if he only uses it for fun, not for business or anything

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I have been using a d-link DGL-4300 for 5 weeks and it has worked awesome until now, of course after 4 weeks and 3 days it decides to no longer work...

now it can still web browse, but I have roadrunner turbo and it gives me over 300,000 down at this site when im plugged right in and when i used my router before it would be at like 298,000

now for no known reason it fluctuates between 5000-9000...

why....I can't stream netflix HD anymore and that is before other people in the house use it

Answer:help with cable modem and router

Is that with or without your router? I'd try connecting directly to the modem again to rule out your router. Then, if you have a different computer, try that directly to the modem to see if it's the modem or the computer. Then you know where to look for problems.

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I have a cable modem at home and would like to use it for 3 computers on a small network. I know the cable company is not real keen on this (they said "no" - you have to pay more for each computer).

So i ordered a router. My question is, once i set up the router, will the cable company even know what I have done?

Thanks in advance for any help.


Answer:cable modem and new router

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I set up a network about a week ago in the house before the kids (2) came home from college. This network was basically to just share the broadband internet R.R. It worked fine with until my son came home and hooked up. Since then all of a sudden it says that the LAN cord is disconnected on both of the computers and I have to restart every thing to get it to work again. Unplugging the router and plugging it back in usally does it. However it just does it again and agian. If I unplugg his computer and reset everything it works fine forever even with my laptop pluged in. I have checked with my son and he says that his XP firewall is off. I am all new at this networking stuff and at some point would like to share a printer and some files but for now ...any ideas on what may be happening this problem seems to happen about every 15min to an hour or so??? I am going to hook up my laptop on my sons cord right now and try that??

cable modem

using high quality cat6 cords

The main computer has
Win 2000
P4 1.6g
256 gb DDR ram

Laptop has
Win 2000
p4 1.6g

Sons Computer has
Win XP
P4 2.0g
512gb ddr ram

Answer:router with cable modem

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Okay, so this is basically my setup.

I'm using roadrunner's sb5101 cable modem...connecting this modem to a netgear hub with 4 ports.....

1 port receives the connection from the cable modem
1 port connects to my computer
1 port connects to my 360
1 port connects to my dlink router

here's my problem: all the connections work fine except for the dlink router; it doesn't seem to connect to the internet.

When I check the status tab, it says "dhcp client disconnected". I try the release IP and it says it was successful, but nothing happens. I try the renew ip and it says renew ip fail (obviously since it doens't have an ip).

So my question is, is it a crappy router? Am I missing something here?

I tried resetting the router to factory defaults by pressing the hard reset button in the back, and it sitll didn't connect.

Someone please help.

Oh, the reason i'm not connecting the modem to the router is beacuse the stupid router doesn't give me a static ip, so i'm banned from several sites and I need a static ip.

Answer:cable modem -> hub -> router

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I have succesfully been on the internet for a while now with a cable modem surfboard 4200 connected to a router smc 7004br connected to 2 pc's. the thing is that I had to manually input everything into my tcp/ip settings in the network panel for it all to work.

After reading umteen million times that all I had to do was to hook up the router to my nic cards and all would work (which it didn't ) I was just wondering how to go about just setting the tcp/ip settings to obtain an ip address automatically.

by the way when I do set it up that way I lose all connection to the internet.

can someone who has a 7004 br and win 98 1st edition tell me how to do so, also my internet provider is comcast...

thanks in advance

Answer:cable modem/router/win 98

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Appreciate some assistance.

Have a PC running W-Millenium. Going to format the hard drive (too many programs installed, virus problems, spyware, etc.) and reinstall the OS.

The current PC uses a cable ISP (, and is connected to a router and a cable modem.

After installing the OS to a clean Hard Drive, installing drivers for video, sound card, etc., and some programs, the PC needs to be connected back to the router and the cable modem to establish an Internet connection.

Might be a super dumb question, but, which software should be installed first, that of the router, that of the cable modem, or does it matter?

Any guidance somewhere that shows the steps needed to connect the PC to both a router and a cable modem?

Answer:Router and Cable Modem

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Question: Cable Modem\Router

Could anyone please give me a list of cable modems that offer routing capabilities, such as NAT and DHCP? My current cable modem is a RCA DCM425.


Answer:Cable Modem\Router

Try "cable modem/router" in a web search engine.

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Question: Cable Modem/Router I will start off by stating that I hate my apartment and how the cable is wired in the place. I have one line going into the apartment. It is in the living room. In order to get too any other point in the house I have too run cable lines around rooms and hook up too connections in wall that pass through the wall into the next room. I currently have my computer located in the dining room/kitchen area as I have a huge area and a small table. Too get too my computer with cable line it takes 3 connections to hook up too my modem (modem is last hook up). I would like to move computer too too bedroom, but too do so would take 6 different connections. Would I be losing "connectivity/bandwidth" by having 6 different connections or would it be better to get and hook a router up in living room and run a network line too the computer and cutting out those connections??? I would like to get the most out of my internet connection if you feel me.

Basic question? Will I get better connection using router over 6 connections??? Not sure about data/packet lose in the connections.

Answer:Cable Modem/Router

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I have a Linksys WCG200-CC, which is an router/modem/wireless combo and I was wondering if it is possible to access the cable modem. I know how to access the user friendly network set up screen, but I am trying to enable more than just the 5 addresses ( has somehow locked it to this). If I can't expand from the router, can I use another router to give me more addresses?

Answer:Cable Modem in Router

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Question: Cable modem/router

Just bought a Pluscom cable modem/router to use on TalkTalk, to run two PC's. Does anyone know what the VPI and VCI are for TalkTalk, also the Multiplexing Method? Anything else I should know or look out for, please? Bit puzzled reading the instructions.

Answer:Cable modem/router

Do you mean cable in that it's not wireless, or cable in that it is designed to connect to a cable modem? If the latter, you have the wrong kit. Cable broadband doesn't use VPI/VCI. If you actually have an ADSL modem/router, VPI/VCI is 0,38, multiplexing here

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hi everone,
I have motorola SB5101 cable modem provided by my ISP.i have windows 7 on corei5. My problem is that my modem suddenly stops working after 6.oo in the evening. If i restart the modem, it works for 5 minutes and then again stops working. It doesnt start functioning properly till the time my cousin uses his laptop so i believe there is some kind of parental lock set by him in the modem . please advice what should I do. I am in urgent need of internet as i have an important project to do.
P.S. Please dont advice to take help from my cousin as he is mischievous and plays such pranks so that i get less marks in my class.

Answer:Solved: parental lock in cable motorola cable internet modem

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So about a year my laptop got water on it ... send it to fix last week and it works now !
went to TWC to get a modem And the modem works pecfectly fine on My regualar Computer but no my Laptop
I doesnt even blink when i connect the ethernet cable ?
What can vb ethe problem??

Answer:Sony vaio wont recognize cable modem or ethernet cable?

you need drivers , for the devices with a yellow ! - possibly the chipset
its possible the hardware is damaged , because of the water issue

however, post back the exact sony model and windows version and can look for drivers - should be on the sony support site

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Grr... I'm trying to network my Windows XP box and my new iBook G4, so I installed a brand new NIC card (D-link DFE-530TX rev. C) on the box and have bought a crossover cable to connect the two. Unfortunately, the PC just says "Network Cable Unplugged" and the Mac doesn't notice it at all. This is terribly irritating. I have tried buying another crossover ethernet cable to connect them, but this still doesn't work. Please help!

Answer:XP->OSX.3 "Network cable unplugged"?! I am using a crossover cable btw...

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I'm experiencing a problem when connecting my computers to the same cable modem. The computer that is connected with the USB Cable is getting excellent connection, while the other one is terribly slow. I have tried to switch the connections but still the one with the USB Cable is faster. Can someone help me resolve my problem, and what can cause it ?
Thank you in advance, Dejan Gorgevic.

Answer:Cable modem connecting with USB Cable and LAN Cable

Does your ISP contract call for two public IP addresses? If not it's probably just an accident that you can connect at all with multiple computers.

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If so, how can I configure any settings on the router? I tried connecting this router directly to my Cable modem and some limited connectivity problem pops up saying Primary DNS server cannot be found.

Answer:Can my unserviced DSL router be used as a router to my Motorola cable modem?

probably not, apples/oranges.

dsl uses phone lines which means you have/had dsl with your phone service.

cable uses coax cable to the modem and tv in my case with roadrunner, also provides digital phone service.

the cable comes in and i use a splitter for the modem/with phone jack for digital phone service and to the router/computers, both wired and wireless.

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I have no idea why but i can only get a connection with the internet with one computer through a switch router... i was told that its not possible to get internet to multple computers, and only to one computer. I have a Netgear Gs108 switch router... but it connects to a Gray fox router which runs through my walls which my modem is connected too. i have no idea how to get internet through all computers which i have been before, i just got cable modem and it this problem started. So before the problem it was DSL at&t. Mabey some can help me please..

Answer:Need Some Help with Cable Modem to Gray Fox Router to Switch Router

Do a search( upper right box) for cable modem to Fox router to switch router.

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My wife's sister has Comcast Cable. They installed a Modem/Router that the wireless part seems to have died. Can a wireless router be connected via ethernet cable to the cable modem/ router?

Answer:Connecting Wireless router to Cable Modem/Router

Yes, adding a wifi router to one of the ports will set it as a node on the dhcp server{modem} and if there is a conflict in ip address, usually will change it to a

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A week ago, my computer suddenly could not connect to the internet. I was using a cable directly connected to the cable modem.

Since then, I've tried:

1) Added a WiFi router connected to the cable modem. Tried using the WiFi card built in to the computer. It connects but reports "limited access", and there is no connection to the internet, and I can't access the router itself.

2) Bought a new Ethernet card, installed the drivers that came with it. I've tried it connected through the WiFi router's hard ports and directly to the modem. Hard resets (power cycling off 2 minutes) on the modem each time and still no connection.

3) In device manager, both Ethernet cards show as "working normally" with no errors. So does the WiFi card.

4) ipconfig shows only "tunneling" devices with media disconnected.

5) I've uninstalled and re-installed the drivers for the on-baord Ethernet, the WiFi card, and the new Ethernet card.

After reading some other posts, I captured the output from ipconfig and several netsh commands. I've attached them to this post. The files starting with netsh are basically the command entered with underscores replacing the spaces from the commands used to generate them.

I also borrowed another computer. It connects both directly through the cable modem, and using the Ethernet ports on the router. It doesn't have WiFi, so I couldn't test that method of access. It can also connect to and c... Read more

Answer:Lost connection to Internet. Using Cable modem, ethernet cable.

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My Granddaughter has bought a laptop and wants to use it wirelessly. The broadband is supplied by NTL to a desktop computer through a cable modem. To enable her to use the laptop wirelessly I think all she needs is a router connected between the cable modem and the desktop, she can then set up the laptop to connect to the router using the laptop onboard wireless facility. Is this correct?Can you advise if the modem has to be of a special type to use cable broadband. Any recommendations, as to the router, would be helpful. Thank you in advance for any advice.

Answer:Connect laptop to cable modem

Start Here click here Assuming her laptop is already wireless enabled otherwise she will need a USB wireless adapter as well.

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My cable modem an Arris tm402p/na-1716691 allows my desktop to connect to the internet through an ethernet cable with no problems what so ever. However, when I attempt to connect my laptop a Sony Vaio VGN-NS210E through the same ethernet cable is goes to local acess only. Since I have no acess to the internet on the laptop I can't post what the cmd showed, any ideas?

Answer:Cable modem will not connect other computers

You have to power cycle the modem when you switch computers.

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For health reasons I want to minimise RF waves. My Pc is presently set up using Wifi. Technicolor 582n, Windows Xp, Edimax USB adapter. I bought a cable and plugged it in to the Tech port and the pc. Also disconnected the Edimax from pc. The pc then failed to connect to the internet. I have checked with supplier that the cable is appropriate. I have spent 2 hours using your searches for help. I wonder if anyone has time to explain what I need to do please. I am not pc savvy and twice as old as I wish I was! If you need to ask me anything please do. I now have to walk for an hour. My on board computer is passed its sell by date! Thanks for your help. Derek

Answer:connect modem to pc by cable instead of wifi

Plug the Ethernet cable (yellow ends) into one of the 4 yellow Ethernet sockets on the back of your router. (cable should have been supplied with router)
Plug the other end of the Ethernet cable into your computer's Ethernet socket. The Ethernet light on the router will turn green or flash.
You're nearly there! At this point your router should be plugged in, switched on and connected to your telephone line and computer. The Broadband light should be green.
If the Broadband light is NOT green Post back
Make yourself a tea or coffee and don't touch your computer or router for 15 minutes.
(Don't try to use the Internet while you're waiting, as your router might still be setting itself up)
After 15 minutes, open your computer's web browser (e.g. Internet Explorer, Safari or Firefox).
And that's it. You should see your web browser's home page -
If you didn't see your home page, you'll probably see one of the screens below:
the Broadband Setup page
a 'Technicolor' login screen.
Enter your Account Username and password choose your provider and press Go.
You'll see a confirmation screen shortly afterwards and you'll be able to start browsing.

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I am trying to connect the Nxuslink 3100U to a cable modem provided by charter in order to use it as a wifi router or at least give myself the extra ethernet ports to run cat 5 to

Answer:How to connect Nexuslink3100U to a cable modem

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Hi guys. I have XP and a motorola sb5100 cable modem. I have never had any problems connecting to the internet before. I got an additional computer and am trying to connect to the internet using the same modem. I am running the modem directly into the machine via ethernet. For some reason, I cant get online. I can connect using the same modem with 2 other I assume its something in the machine preventing me from connecting. I have tried USB...still no connection. The system is seeing the NIC card just fine...I cant ping or anything like that. I have checked the network settings, but my knowledge is limited. Can someone please help me out here? I would MUCH appreciate some help getting this thing online. Thank you.

Answer:cant connect to internet using cable modem and XP

so how are you sharing the internet with other people? from what i can tell, you're not using a router, which is recommended for sharing a broadband connection. maybe that can help?

or if you want to save money, you can leave one of the computers on 24/7 and have internet connection sharing enabled on that computer.

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I have seen advertised on ebuyer an "EA1115 Ethernet Network Card". Can I use this card to connect my PC (WinME) to my NTL cable modem? If so, great as it's only 3 !! PC World do similar for 10. Thanks,

Answer:Will this card connect to my cable modem?

Forgot to ask, also will a NIC benefit BB access versus USB?

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I have an issue with my Windows 10 PC not connecting to my cable modem by ethernet cable. I connect the PC to the modem and all I get is "unidentified network - no internet", yet my laptop connects to the modem by ethernet (I'm using it now) just fine. I've tried everything I can think of to get my PC to connect to the modem, but nothing has fixed the problem so far. I can connect my phone to the modem fine by wifi as well, so the modem isn't the issue - or is it? Yesterday I had no issues with connecting to the modem and internet until I had a "blue screen event" and when the computer rebooted, I had the yellow triangle ! ever since.

Please HELP!!

Answer:Unable to connect to Cable Modem

Make sure that you do not have a Static IP assigned to your Network adapter. Also make sure that you are using a good Ethernet cable, along with the Ethernet is not disabled in the OS or Bios.

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I am about to install my cable modem. I have a choice of usb or ethernet card. Which should I choose ? NTL recommends using usb as its simpler but is this the most effective method ?Your oppinions would be appreciatedChris

Answer:Cable I connect via usb or ethernet ?

USB is prown to problems ethernet is faster 4 online games and downloads is simple to install if u have a nete#work card and is not incompatible with stupid drivers

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I have an issue with my Windows 10 PC not connecting to my cable modem by ethernet cable. I connect the PC to the modem and all I get is "unidentified network - no internet", yet my laptop connects to the modem by ethernet (I'm using it now) just fine. I've tried everything I can think of to get my PC to connect to the modem, but nothing has fixed the problem so far. I can connect my phone to the modem fine by wifi as well, so the modem isn't the issue - or is it? Yesterday I had no issues with connecting to the modem and internet until I had a "blue screen event" and when the computer rebooted, I had the yellow triangle ! ever since.

Please HELP!!

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I would like to know if by using a standard router I could connect to a cable/dsl modem as well as another switch for file/print sharing by using a crossover cable.

My situation is that my company is going to be renting space at an office. The GM said we can use the printer they have, but we have to get our own interent access. My thinking was that i would be able to use a router and connect to a cable/dsl modem on the WAN port then use a crossover cable to connect to the switch that the printer is connected to. Will this work or do I need to get something with dual WAN ports?

Thanks in advance!!

Answer:Connect to cable modem and WAN concurrently

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Can I connect 2 computers (One ruunning DOS) to share/transfer files using  ordinary telephone cable and/or a modem? I have considered parallel, serial and ethernet, and are not an option (yet) In the mean time, can it be done?

Answer:Connect 2 comps with modem and tel cable

Whoah there.  Why can't you do this with LAN, serial, parallel or USB?  Do you like pain?

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My problem is I can't connect to the Internet with my cable modem. I was previously hooked up with Roger's and I moved and switched isp's. Roger's has obviously done something to my settings. The cable guy came and said that I was getting a valid ip address, but the fact that I opted for the basic installation hindered him from helping me. Also he said that I was able to ping other computers on the LAN.
Does anybody know if isp's change certain settings? and if so how do I get them back to the point where I can access the internet with my current isp?
Any info would be appreciated.

Answer:Connect to internet (cable modem)

try this, open a command prompt and type

see if you get a response, if you do type in


if you don't get a response then your DNS settings are screwed up.

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I recently restored my pc to factory settings and re installed service pack 2 and 3 for windows xp. Now I cant connect to the internet. I know my connection works because
it works fine on my laptop which uses vista. On my pc (xp) the internet is connected
but its a LAN connection and I cant access it with my web browser.

I have tryed rebooting and turning it on and off. I have spoke to my ISP and my IP address
is pinging there server so I do have a connection I just cant get online with a web browser.

Is there a way to access the internet over a LAN connection with a browser are do I have to modify the connection type if so then how.

Any help is always appreciated


Answer:Cant connect to internet with cable modem

If you have a 3rd party firewall (security suite) check to make sure it is not blocking your browser. Secondly, try the following repairs.

(From a JohnWill post)

TCP/IP stack repair options for use with Windows XP with SP2 or SP3.

Start, Run, CMD, OK to open a command prompt.

Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

Reset TCP/IP stack to installation defaults. netsh int ip reset reset.log

Reboot the machine.

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Trying to use IE to set up my connection to the internet. Router and cable modem working fine. This is the main PC I'm trying to get back on the internet. All of the wireless ones are working, but I just formatted the main PC and I need to connect.

Answer:Just formatted, can't connect to Cable Modem

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Time Warner just came out on Saturday to install cable internet (Road Runner). However, he couldn't get it to connect through the ethernet, it will only get online from the USB.

The whole problem is that when I click on Repair (I have XP) it says that it cannot renew my IP address. I thought the problem might be on my end, so I bought a new NIC. No change.

Then time warner gave me a new modem, and the problem still persists.

I've already run the ipconfig /release junk, and it changed nothing.

Before I moved into this new apartment, I was using T1 cable from the old apartment, so I know my ethernet slot works as well as the cords and such.

What is going on?? I'm so confused, and I'd like my internet to go thru the ethernet so that I can get Vonage phone service.

Any help would be great! :giddy:

Answer:Cable modem won't connect thru ethernet

hi i have one sugestion, that you probibly did alredy but its worth a chack, make shore t that you have no firewalls on including the windows firewall, post back if the probiem contunios

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Aquick question guys. Would a cable modem work by connecting both the USB cable and an ethernet cable to seperate computers? If so, is there a loss of speed?

Answer:Dual Connect Cable Modem

What about using a hub or a router?

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Hello, I am in the market for a cable modem / wireless router combo. I have looked at reviews and can only seem to find a d-link. I have had problems with them in the past and I am now trying to avoid that brand.

Does anyone here have experiece with any good cable modem / wireless router combo's?

If you didn't have a good experience with one, which ones should I avoid?

Any advice would be greatly appreciated.

Answer:Cable modem / Wireless router

I'd recommend netgear.

Always worked well for me.

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Having moved from a house where I used an ADSL router with Orange which shared my connection wirelessly, to a Virgin Media house which now uses a Cable Modem, my question is can I plug my Cable Modem into an ethernet port in my ADSL router and still share the internet connection wirelessly? My early experiments would indicate NO! I can get the internet connection wired but nothing else subsequently plugged into the ADSL router (such as an Xbox) can. Do I have to invest in a wireless router - seems like a waste if I do? Any tips greatly appreciated.

Answer:Cable Modem into an ADSL Router?

What you are trying will not work, you do need a new wireless router for use on cable only, I have always found this to be reliable and if price is of concern, well then it is not expensive. click here

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I have a Cisco 2620 router with a T1 WIC and the 12.3.17 IOS on the router. After doing some configuration to the router, should I be able to connect a normal Motorola surf board cable modem (with an active connection) to the WAN on the router, and have a working internet connection coming out of the 10/100 eth connection on the router?? Do I need to get some sort of CSU-DSU WIC or something?? So many questions so little time...


Answer:Cisco router and a cable modem

Do you have it set up similar to this (I am not sure what interfaces you are actually using so this is simply an example)? As long as it's ethernet on both sides then as long as you have your interfaces, routing, NAT, and ACL's set up properly then you should be good to go...


One question though, when you say "WAN", what are you referring to? One of the Ethernet ports that you have designated as your WAN or external interface? Tell us a little more about your setup if the above does not apply. Also, if you are not sure what all you have in the router please post a "show diag".

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Here's the situation, I just upgraded from DSL to cable due to the fact that my cable company was supplying a package which consisted of: Broadband, Telephone, and of course cable. What I would like to do is purchase a wireless router in order to provided access to one other computer and my Xbox 360 (Connected via: Wireless Gaming Adapter), but I'm unsure how to go about doing this. Here's the information I recieve when using IPCONFIG
IP Address:
Subnet Mask:
Default Gateway:
DHCP Server:
DNS Servers:

I guess my real question would be, if I bought a router could I implement NAT in order to connect multiple computers to the internet, is a router compatible with this modem?
<b>(Cable Modem=RCA DCM 425)</b>

Any help would be appreciated.


Answer:Cable Modem To Wireless Router

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I have this cable modem

And I bought this router

It's router + adsl, so it should work.

I connected enthernet cable from cable modem to router, than lan cable from router to pc.

Now, internet works on pc, and on laptop it shows there is a wireless connection, I connect and everything is good, but internet doesn't work on laptop or my phone or any other device I use to connect to that wireless connection.

Also, I cannot enter on my pc when both cables are connected (The one from cable modem and the one that goes from router to pc), but when I unplug the one that goes from cable modem, I can access admin panel.

Any solution ?

Answer:Cable modem and wifi router


Originally Posted by pikachu

I have this cable modem

And I bought this router

It's router + adsl, so it should work.

I connected enthernet cable from cable modem to router, than lan cable from router to pc.

Now, internet works on pc, and on laptop it shows there is a wireless connection, I connect and everything is good, but internet doesn't work on laptop or my phone or any other device I use to connect to that wireless connection.

Also, I cannot enter on my pc when both cables are connected (The one from cable modem and the one that goes from router to pc), but when I unplug the one that goes from cable modem, I can access admin panel.

Any solution ?

Well for starters, your internet works great on your pc but not your laptop.
In order to fix this, you will need to gain access to your router.
Now I see a picture, but I have one small problem... :/
I don't know what model of the router you have, without the correct information I can't do much.
Turn the router upside down, look for a model number and serial number and revision version if any.
Once you do that, we will try to get you inside the router so you can set it up with your isp.
One thing to note is your wireless nic on your lappy uses a mac address.
Find out what it is, and put it into the routers mac address list.
Once it has that, ... Read more

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According to the user's manual on my cable modem (a motorola SBV5220), "You can connect a single computer to the USB port and from one to 31 remaining users to an Ethernet hub, as shown."
Here's the diagram (as well as i can get it - cant find the manual on-line):

Comp \
Comp---Ethernet Hub or Switch----Cable Modem
Comp /
Does this mean that I could use an ethernet hub or switch to share my connection over 3 or 4 computers, or would i need mutiple IP addresses to be able to do this (in which case i would use a router instead)? Tech support at motorola referred me to Time Warner, and TW's tech support had no clue what i was talking about.

Just seeing if i can save a couple bucks. If anyone understands what i'm trying to say, thankyou for your assistance.

Answer:Will my cable modem serve as a router?

That tech support person at Motorola certainly is not on the "A" team.

I found the "data sheet" online. No mention of the magic words "router" or "gateway" so I think that it is safe to say the suggested network (which is also in my Motorola SB4200 manual) implies multiple IP addresses.

As you suspected, you want to put a router in that diagram in place of "Ethernet Hub or Switch."

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I have a DI-524 router and Motorola sb4200 cable modem and keep getting intermittent internet service. I have Zone Alarm Security Suite running. I run virus scans, spybot, ad-aware, the works and don't find anything. I have Cox internet. Sometimes if I restart the connection returns, other times it doesnt.

I've had the modem for 4 years and the router for 2 years.

Answer:Can a router and/or cable modem wear out?

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OK, this is my third post today...someone must have something to say about this (I hope)...

I had cable modem service at my old apartment for over 2 years without incident. We moved into a house a month ago and I have gone through 2 cable modems and 2 motherboards (with built-in NICs) in that time! The last time also fried one port on my brand new router (but the other ports are fine).

I am desperate for a surge protector to connect to the coaxial on my cable modem, but apparently there is no such animal. The store where I bought the motherboard just ran the diagnostics and told me that yes, the port is out and the NIC is bad. They will replace them both, but I am really afraid it's going to happen again. Especially if it is lightning or something that is causing this.

The tech suggested that the computer that was grounded better was the one with the problems, but he wasn't sure. My question is this:
- why is none of this happening to the other machines on the same router
- how can I insulate the troubled machine/NIC/motherboard/router from being affected by power surges in the future, and
- is there a cable modem surge protector type thing that I can buy/build whatever.


Answer:2nd Fried NIC, Router and Cable Modem - PLEASE HELP!

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Me again, I'm trying to disagnose my father's internet issues for him and cannot figure it out. Neither him or anyone on his network can stay connected to the internet. After looking at his router security log I see why.. Heres a copy of the log..

System log:

User Login From => Wed Jul 16 11:58:21 2008

Get IP Address From DHCP Server => Wed Jul 16 11:58:05 2008

WAN Connection Disconnected => Wed Jul 16 11:58:05 2008

Get IP Address From DHCP Server => Wed Jul 16 11:57:18 2008

WAN Connection Disconnected => Wed Jul 16 11:57:17 2008

Get IP Address From DHCP Server => Wed Jul 16 11:56:00 2008

WAN Connection Disconnected => Wed Jul 16 11:56:00 2008

Get IP Address From DHCP Server => Wed Jul 16 11:50:07 2008

WAN Connection Disconnected => Wed Jul 16 11:50:06 2008

Get IP Address From DHCP Server => Wed Jul 16 11:44:14 2008

WAN Connection Disconnected => Wed Jul 16 11:44:13 2008

Get IP Address From DHCP Server => Wed Jul 16 11:40:09 2008

WAN Connection Disconnected => Wed Jul 16 11:40:08 2008

Get IP Address From DHCP Server => Wed Jul 16 11:28:08 2008

WAN Connection Disconnected => Wed Jul 16 11:28:07 2008

Get IP Address From DHCP Server => Wed Jul 16 11:22:14 2008

WAN Connection Disconnected => Wed Jul 16 11:22:13 2008

Get IP Address From DHCP Server => Wed Jul 16 11:21:43 2008

WAN... Read more

Answer:Cable Modem/Router problems

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