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IP address cx is not able to get any ip addersson the computer afetr ipconfig getting error media state disconnected

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Re: IP address

You have to get your modem repaired. Check whether it is properly connected to your computer

Posted on Oct 09, 2007

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Connect motorola modemsbSB6121 to Belink N600 wireless router with out losing internet signal

Step one turn on PC directly connected to ModemsbSB6121 without Wi FI router being involved.
Step two go to Command prompt type in ipconfig (press enter)
Step three note IP address of default gateway and ip address issued to P.C.
Step four type in default gateway address into browser and log into Modem.
Step five look for DHCP Server and allocate IP addresses from at least 50 for example starting ip lease ending ip lease
Step six connect Wi Router to P.C. via ethernet cable only - remove ModemSB6121
Step Seven shutdown and restart p.c
Step Eight go to Command prompt type in ipconfig (press enter)
Step Nine note IP address of default gateway and ip address issued to P.C.
Step Ten type in default gateway address into browser and log into Wi Fi Router
Step Eleven Change IP address on Router to 2 as example (it has to match in that modem device would have been 192,168.0.1)
(if it was make wi fi make sure subnet mask is the same like
Step twelve Change DHCP Server to off
Step Thirteen may need to set default gateway to MODEM IP address for example
Step Fourteen plug modem router into Wi Fi router may need to plug into WAN port on WI FI router .
Step Fifteen shutdown and Restart Computer
Step Sixteen go to Command prompt type in ipconfig (press enter)
Step Seventeen type in PING (if this is modem IP address and default gateway IP addess)
All this above is to avoid IP address conflicts or mismatching
Subnet mask should be
either it uses or it uses make sure Wi FI router is set to different address to Modem Router.
I suspect either a clash occurs or your P.C gets a different IP range from ther WI FI DHCP server.
Happy troubleshooting !

Sep 16, 2014 | Arris Sb6141 Surfboard Cable Modem Sb 6141...

2 Answers

What is it?

default is, but you can check by ip gateway (modem adress), on your computer.

check your local network connection:
if your modem is directly connect your computer, by usb or LAN the gateway adress is the same, you can test if go to the webrowser and type the same adress as before.


3 Answers

IP Address

Your ADSL port IP address will be set by your ISP and will be displayed on router status page. Your LAN port IP address is likely to be

Oct 09, 2009 | RCA Thomson Digital Cable Modem (DCM305R)

1 Answer

How to connect to net via wire and wifi

I'm assuming Windows is the OS. After disconnecting from one access method but before connecting with another (modem to wifi or network wire, etc. the IP address on the notebook will likely not be acceptable to the new connection) open a DOS or Command "Box" or "Window" (go to Start --> Run --> type the word "cmd" or "command" without quotes and then click ok. At the prompt, (without the quotes) type: "ipconfig /release" (You can see all the variables for the ipconfig command by typing "ipconfig /?")

Establish a new connection via hardwire network or wifi and allow the PC obtain a new IP address as normal. If unable to access internet sites, you can try to forcing a new IP address by opening the DOS box again and type "ipconfig /renew" This should cause the machine to get a new IP address. The "ipconfig" commands will probably not force a modem connection to get a new IP address (I haven't run modems for a long time - so I'm not familiar with their procedure of obtaining an IP address)

Oct 09, 2009 | Modems

1 Answer

Cannot connect although plugged in

Check the ipaddress. Type ipconfig in command prompt. Then ping a website in command prompt if u get proper ip address e.g Try to ping in command prompt. If u are unable to connect. Tried to release renew Ip address.
Type ipconfig /release then ipconfig /renew in command prompt. If you are able to ping google and still unable to connect to website using internet explorer, then issue with browser or with OS.

Aug 17, 2009 | Siemens SpeedStream Modem (4100) (SS4100)

4 Answers


well this question has 2 answers:
1) if you want to find out what is the ip that in on your PC if you are connected to a one of these (cable modem, DSL modem or router) then this is what you call a "local ip, or private IP" to check it you do this: you click Start/ run/ and you type CMD and press ENTER on the keyboard. then in the black window you type "ipconfig" (without the quotes) and you press ENTER again. here it should say, ip address (most likely it is going to start like , where xxx could be any set of numbers)

2) if you are talking about the IP address that your modem (cable or DSL) is pulling , that means that is your "public IP" and to find it out, (the wasiest way) you can go to a site like "" and your public ip will be at the top of the page.

Note: in case of vista, to get the black window you click "start/(start search) and type CMD and enter"
the rest is the same.

Jun 18, 2009 | Modems

3 Answers

Error in Connecting

without the modem plugged into the troubled computer, go to start -> run.

Type cmd and hit enter. A black window screen will come up. Type ipconfig and hit enter. Without the modem plugged in, your ip address should read If not, you have a manual ip address and need to change it to auto.

To change ip address to auto, (in windows xp) go to start -> control panel, or start -> settings -> control panel.

Double click network connections. Look for your local area connection, right click and click on properties.

A window should popup. Scroll down the list to Internet Protocol and click properties again. Make sure IP address and DNS are both set to automatic.

Mar 18, 2009 | Arris SURFboard SB5120 Modem

2 Answers

IP Address

To check your IP you need to Go To Start Rum and type cmd and enter
You will find a DOS screen poped up . you need to type Ipconfig . It list you your IP. You need to have a local admin to change your IP

Dec 20, 2008 | Modems

1 Answer


hi there,
if your computer has an ip address starting from then that is an invalid ip address... refer to computer vendor for another nic card.

Your ip address can be found by accessing the command prompt..
eg in XP
Start> Run> type in the run box "cmd" in the black dos window type in "ipconfig" press enter.

this will give out ip address, subnet mask and the defualt gateway.

Sep 24, 2008 | Zoom X6 (5590) DSL Modem (55900003)

1 Answer

Siemens Speedstream 4100 Modem installion

As you are using speed stream 4100 modem and it has a5 lights, if u have a 1 solid light for power and other all the 4 lights are flashing, It indicates either u need to upgrade the firware of modem or you may try Hard reset option of modem..At the rear sode of modem you will have a reset hole / button, u may press that using some paper clip...unplu all the cables and wait for 2 mins...connect them back in..all the lights will come up but the internet..u need to check IP address by doing IPCONFIG, whatever gateway u r getting (probably type that into adressbar of IE and putthe correct user name and password, asked code u may get from the bottom side of ur modem...get into GUI og modem and put your complete email address and password, save settings ...Ok and restart the will be ready to go.

Sep 12, 2007 | Siemens SpeedStream Modem (4100) (SS4100)

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