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Can't connect and i've tried just abotu everything


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#1
chibialex

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I have two computers hooked up to a Linksys router that connects to a modem that connect to a Verzion DSL line. The one computer is a Dell, and the other is an E-machine. Well they both work fine but after I went away for the last weekend I came back and suddenly the E-machine will no longer connect to the Internet. The router and modem work because the Dell still connects fine and I check the all the routers settings. I've tried resetting both the router and the modem to fix the problem but no luck.

I've check the E-machine and it says the NIC card (a Realtalk, not sure the model at the moment) is working properly and all the setting are sent to the defaults on it (IE: obtain IP and DNS automatically). I've turned off the firewall but stil it won't connect.

So I tried putting a new NIC card in and it still won't connect I just end up with two local networks that are "unplugged" on the e-machine. I really have run out ideal as to what to do.

Can anyone help me please?
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#2
ViprXX

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you could try a different ethernet cable that you know works, such as the one the dell is using.
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#3
cmw2010

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Did you also try hooking the cable to a different port on the router?
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#4
chibialex

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I tried useing a diffrent ethernet cable that didn't work. I also tried the suggestion of using a diffrent port on the router still nothing. I've even tried usine a Linksys wireless usb NIC card and it still won't connect.
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#5
jwbirdsong

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Note: IF you are having connection problems follow the directions below
(These instruction's are basically for home users.)

Before doing this write down all the settings, Note that not all system/setups even have these settings, While some connection service's will require them.

Open the windows control panel.
If you are using Windows XP's Category View, select the Network and Internet Connections category otherwise double click on Network Connections. Then right click on your default connection, usually local area connection for cable and dsl, and left click on properties. Double-click on the Internet Protocol (TCP/IP) item and select the radio dial that says Obtain DNS servers automatically
Press OK twice to get out of the properties screen and reboot if it asks.
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#6
peterm

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Hi chibialex
Did you download any updates or change anything at all ? Lets try a quick and easy (hope system restore is on)
Click on Start>All programs>Acessories>system tools>system restore. Choose to restore the computer to a previous time. Pick a day before you went awayand you know things were ok and restore
Does this help ?

Cheers
Peterm
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#7
chibialex

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I finally got it to work with a wireless NIC card but I'm still puzzled by why it won't connect via a wired NIC card. I'll have to try the system restore and see if that works.
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#8
chibialex

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I tried the system restore and that didn't work either.
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#9
silverbeard

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Here are the trouble shooting steps that I use for most internet connectivity issues.
What security software are you running?



Power cycle the modem and router(if present). Open a browser.
What is the message? Page can't be display is most common in IE.
Try to surf into the modem or router interface. (192.168.x.x depending on provider)
If you can then the PC and modem can communicate with each other and this is a good
sign that either your log in is failing or there is a problem with the ISP.

If not:
In IE click on "tools /Internet Options under temporary Internet files click on
"delete files". If you frequent sites that use Cookies for remembering your log
in you may not want to delete cookies otherwise delete them also. Next, click
on the Connections tab. If there are connections listed under Dial up and
Virtual Private Network Settings be sure they are being used, if not delete them (click on the connection and click remove on the right side off the page, then click OK on the pop up window). Be sure "Never Dial a Connection" is grayed or marked under "Choose settings if you need to configure a proxy". At the bottom of connections, click on LAN settings. There should be nothing checked
in this window!!! If proxy settings are checked this is more than likely the
issue and this happens more than you would think. Click OK on LAN settings then
click OK in Internet Options, close IE and reopen the browser. Surfing? Still no?

Check the Network Connections:
There are usually at least three ways to do anything in Windows. Here are two
for checking whether or not the PC is connecting to the modem/router.

1. Start /Run /open=cmd . In Command Prompt type "ipconfig"(no quotes). This
should list network interface (ethx)and their IP address, subnet mask and
default gateway. In general most modem/routers use a 192.168.x.x address for
network addresses and gateways (172.x.x.x and 10.x.x.x are also acceptable).
169.x.x.x and 0.0.0.0 are indications that the PC is not accepting an address
from the CPE (consumer premises equipment). Hard reset the CPE to factorysettings.
2. Start /Control Panel /if not in Classic view click "switch to classic view"
/Network connections / Local Area Connection. Double click the LAC. Click
"support" tab. If the IP address and gateway are not listed click "details" and this
should show the information. If not a good ip and gateway address close
details, close Status and right click on the LAC and choose disable. Wait for it
to disable and double click the LAC to re-enable it. This does not work that
often but your there anyway and it's nice when it does work. if you have a
valid IP/gateway Boot into Safe Mode with network*.

Still not getting a valid IP/gateway? Hard reset the CPE(modem and/or router).
Still no good IP/Gateway? Open System Properties.
Ways to open System Properties:

1. right click on My Computer, select properties.
2.Start /Control Panel /System
3. Hold the Windows key (between Ctrl and Alt) press Pause/break.
Click on the Hardware tab and select Device Manager. Go to Network Adapters
and double click it if not expanded. Right click on the Ethernet adapter and
choose "uninstall", click OK at the warning. Wait for the Device Manager to
finish uninstalling then right click on any of the Icons with a plus sign next
to it and select "scan for hardware changes". The NIC should reinstall. Check
for Valid IP/gateway or open browser and check ability to surf. No Joy?

Click Start /Control Panel /Administrative Tools /Services. Check to see if the DHCP Client is started. If not double click on it and and try to start it. If it fails to start you'll have to hack the registry to fix the problem. (certain versions of Norton can cause this problem after you uninstall them) Still no joy?

System Restore to a time when the Internet was working. Start /All Programs /Accessories /System Tools /System Restore. Click next to restore to an earlier time. Choose a date when the connection was working. Click next and let the system do the rest. No?

For XP sp2 reset the winsocks. Start /Run /open=cmd. Type in "netsh
winsock reset" (no quotes) and press enter. You should get a message that the
winsock catalog has been successfully reset and you need to restart the
computer. Reboot.

For XP sp1, restack the TCP/IP. Start /Run /open=cmd . type in "netsh int ip
reset resetlog.txt" (no quotes) press enter then type ipconfig to check for connection.
Still no joy?

At this point it is probably an equipment issue, either the Ethernet card is
bad or the modem/router is bad. If you can surf from another PC with the
connection then the Ethernet card is more than likely bad and should be
replaced.

*Boot into Safe Mode in XP:

Start /Run /open=msconfig. Click on the Boot.ini tab. Select “safe boot” then click Network next to safe boot. Click OK and restart PC. When the PC restarts select the user account not the Administrator account. Click yes and see if you can surf.
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