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Windows reinstall limited or no connectivity


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#1 JimmyT004

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Posted 27 February 2010 - 06:00 PM

Hello all. I've recently taken my friends computer in hope of fixing it for him. I had to reinstalled Windows xp SP3 after trying to get rid of a virus. After reinstalling successfully, I've come to a problem. Ever since the reinstall when the network tries to connect it says," aquiring address" for a bit then "limited or no connectivity. I've tried reinstalling the network cards drivers and renewing the IP address but nothing has helped. Any thoughts on this would be much appreciated.

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#2 Ken-in-West-Seattle

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Posted 27 February 2010 - 06:32 PM

sounds like dhcp.

What network are you trying to connect to? Sometime wireless cards try to connect to the strongest signal which may or may not be your network.

If the network device was not working and had drivers I don't think you would be getting that messsage.

I get that message when I forget to add a new computer or network cards MAC address to my routers MAC address filter, or if an incoming computer on the bench is set to a static address (lan or wireless) that is on a different subnet from my workbench network.

Are you the admin for your router? or do you hook directly to comcast or some other WAN provider that hands out the public ip addresses.

Some home routers use 192.168.1.X for NAT and some use 192.168.0.X. by default.

#3 JimmyT004

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Posted 28 February 2010 - 08:36 AM

Im connecting to my home wired network. For testing my friends computer I have it hooked up directly to the modem so I'm not sure what could be doing this since their is no router in between. I will have to test it through a router eventually as my friend uses a router anyway.

#4 hamluis

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Posted 28 February 2010 - 09:23 AM

Are your modem drivers...installed on your friend's system?

Do you have a USB modem connection?

Louis

#5 JimmyT004

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Posted 28 February 2010 - 11:35 AM

I just installed the moden drivers and it still isnt working. The modem does have a USB plugin should I try using that?

#6 JimmyT004

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Posted 28 February 2010 - 12:10 PM

I realized I have no USB cord for the modem so that option won't work.

#7 hamluis

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Posted 28 February 2010 - 12:46 PM

FWIW: The modems I have seen which have both USB and ethernet connections...employ different drivers for each, with instructions to remove the USB drivers when using the ethernet connection.

You might check how this works for your modem.

Louis

#8 JimmyT004

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Posted 28 February 2010 - 12:50 PM

I have a Thompson/RCA DCM 425 modem. All i could find is one driver for it, not ethernet or USB specific.

#9 cryptodan

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Posted 28 February 2010 - 01:58 PM

FWIW: The modems I have seen which have both USB and ethernet connections...employ different drivers for each, with instructions to remove the USB drivers when using the ethernet connection.

You might check how this works for your modem.

Louis



RJ45 Connections require no drivers just a Cat5, Cat6 cable.

I have a Thompson/RCA DCM 425 modem. All i could find is one driver for it, not ethernet or USB specific.


Your modem is fully capable of using the RJ45 aka Ethernet Port.

Is DHCP Client running in services?

Start > Control Panel > Administrative Tools > Services.

#10 JimmyT004

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Posted 28 February 2010 - 03:03 PM

Yes the DHCP was on, and i tried to restart it and it still does not work.

#11 cryptodan

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Posted 28 February 2010 - 03:17 PM

Yes the DHCP was on, and i tried to restart it and it still does not work.



Unplug the modem turn off the computer wait for about 5 minutes plug the modem back in wait a couple of minutes then start up your computer again.

#12 JimmyT004

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Posted 28 February 2010 - 04:09 PM

I did the reset and still nothing. When I plugged my computer back in I noticed it said "limited or no connectivity" aswell, until I reset it and it worked fine. It seems to be related I'm not sure how though?

#13 cryptodan

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Posted 28 February 2010 - 04:11 PM

Can you right click on the connection in Dial-Up and Networking folder in Control Panel and go to properties. Highlight TCP/IP Settings hit Properties then tell me whats on the window that pops up?

#14 JimmyT004

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Posted 28 February 2010 - 04:23 PM

Everything is set to automatic.

#15 cryptodan

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Posted 28 February 2010 - 04:53 PM

Call your ISP your modem is defective.




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