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internet connection problem

By computab ·
I have an internet connection problem. What tests do I do to enable me to decide whether it is Internet Service provider, router/modem fault, TCP/IP or other windows problem I use Windows XP Home.

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steps to check

by webjabber In reply to internet connection probl ...

1. Use "ipconfig" check your computer's IP.
if it has correct IP and DNS setting then go to step 2, if not, check your cable connection to your router. Power on/off your router, try to use "ipconfig /renew" get refresh. If still not working, you have to check network device and setting on your computer.

2. If you pass the step one, If you use DSL/Cable, you always can logon modem and check status. Example, ipconfig will tell you gateway ip, such as 192.168.1.1. Use browser type http://192.168.1.1

3. If you can logon the modem, check status of internet. If not connect, check phone line/cable. if you sure all right, call ISP.

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some things to check

by w2ktechman In reply to internet connection probl ...

First, did it ever work? Did it just stop working, or is this the initial setup?

Check the cable connection, are there blinking lights on the router for data? Is the hub lights on?
I usually reset the router when I have problems. Also check for the cable/dsl modem and reset it (power off, wait 30 seconds, power back on).

Is the connection and data lights on or flashing on your computer (network card)

Is your local area connection enabled?

Is your network card working?

open a command prompt and type IPCONFIG /all
look at the ip address. Is it correct for what your router is handing out?
What about DNS, is it set to use your ISP's DNS servers?
can you ping your router?
can you ping your ISP's DNS servers?

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Try...

by jf.tamdjirt In reply to some things to check

If I were you, I tried an another modem and made a bandwith meter test.

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Internet

by ctmoore1998 In reply to internet connection probl ...

Depends on the problem. Can you not browse the internet at all??. Check Configuration of all devices in the internet connection path, incl PC, router, modem etc. From dos prompt: tracert www.yahoo.com
does this work? if so internet should be functional if not what is the error msg.??? Do you have current AV install and ran a full system scan??? What are the status indicators on DSL / cable modem???? Can you logon to router and check its status. Use the router diagnostics to check internet, most routers have ping and tracer commands on their dianostics page. Ensure DNS server info is correct on router and PC. Ideally PC will use router IP as Default GW and DNS server and DNS will be assigned from ISP dynamically that way if ISP changes DNS servers your system is automatically updated.

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My best guess is that the Modem/Router isn't setup

by HAL 9000 Moderator In reply to internet connection probl ...

When you install these things you need to at the very least enter your User Name and Password in the Modem/Router if you are using a ADSL account.

The best way of doing this is to print out the required pages of the manual that tell you what HTTP address you need to use to get into the Modem/Router and then what the Default User Name & Password is Note this user Name & Password are for the Modern/Router and are different to your ISP Provided User Name & Password.

Once you get into the Modem/Router all you should need do is set your user name & Password and establish any rules that you require but to keep it simple at first reset the Modem/Router and then just with 1 computer directly connected open a Web Browser enter the HTTP address that you where given and when the log in page appears enter what is required this depending on the unit can be just a password or it may require both User Name & Password then go into the Modem/Routers internal system and create your account save it and log out there may be a requirement to reboot the Modem/router and this is done from within the Setup Window. Once you have done this you should have several LED's showing.

One should be power, the next will be the computer connected and the main one that you need to look at is the Link as if this is not illuminated you do not have a working link to your ISP but if it's on solid or flashing that will show that you have a connection and the system should be working. You can then add any more computers to the Router that you may want or you can reenter the Setup Procedure and set Router Rules to lock down the system as much as you like. If you don't have a link after doing this all you need do is press the Reset and start again till you get it right. If this is a ADSL Modem come Router I would also suggest that you make sure that the Router Firmware is current by upgrading it to the latest available version form the maker as every time that you upgrade the Firmware you need to reset the Router internal settings.

If you can not get into the Modems Setup Page you need to look at the connection method that you are using some have the ability to use CAT 5 cable and some use USB and then some others use both. I personally prefer to use the CAT 5 cable and you don't need a crossover cable here only the normal straight through cables so if you have placed a crossover cable in the setup you'll need to get rid of it as you will be unable to enter the setup Page.

The modems are fairly easy to set but the Router side can be a major pain to lock down depending on the make & model.

Don't rely on the ISP provided directions for setting up the Modem as I recently ran into a Siemens unit that had the wrong User Name & Password supplied by the ISP. It may have worked with their software installed but the person had by this time pressed the Reset switch and all of the software settings had been removed so it didn't work according to the ISP Directions but when I used the supplied manual on a CD in PDF format i could get straight into the system and get it working without a problem. This was a combination unit of Modem/Router/Wireless Access Point and according to the ISP you could setup the entire thing by using the WiFi connection which in the Default setting had been turned off. Needless to say it was impossible to follow the ISP's directions to connect the system but the moment that I started with a direct connection to the unit and the right User Name & Password I had the system working properly within 10 minutes.

There is a very good reason that many people call it Router **** and if you've never done it previously it can be extremely hard to achieve the first time and even after you have it working you need to remember that every so often depending on the maker of the unit you need to Flash the Units Firmware and then you'll have to go through the entire procedure again. If you don't keep the router current in it's updates you may as well not have it in place as it gives you a false sense of security. It's also a good idea to change the default User Name and or Password whatever you have available to change here when you are setting up after you have initially got it working.

PM if you are still having problems.

Col

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