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Windows 7: Local connection cannot get a valid ip config

29 Sep 2011   #31
Darryl Licht

Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
 
 

Turn off any firewalls to rule that issue out.

If you changed the cable, did you use a crossover cable? Since you have no hub or switch in the wiring you described the cable must be a crossover cable. Put the old cable back that used to work.

Since your real purpose is to share Internet you have to use ICS on your ad hoc network.

To use ICS, make sure the local area network (LAN) connection on each network computer is configured to get an IP address automatically. To do this:
  1. Open Network Connections by clicking the Start button , clicking Control Panel, clicking Network and Internet, clicking Network and Sharing Center, and then clicking Manage network connections.
  2. Right-click the LAN connection, and then click Properties. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
  3. Click Internet Protocol Version 4 (TCP/IPv4) and then click Properties.
  4. Click Obtain an IP address automatically.
ICS will be disabled if:
  • You disconnect from the ad hoc network.
  • You create a new ad hoc network without disconnecting from the ad hoc network for which you enabled ICS.
  • You log off and then log back on (without disconnecting from the ad hoc network).
To use Internet Connection Sharing (ICS) with computers on your network that are running Internet Explorer, you need to make the following changes on all but the host computer. Do not make these changes until you've set up ICS on the host computer.
  1. Open Internet Options by clicking the Start button , clicking Control Panel, clicking Network and Internet, and then clicking Internet Options.
  2. Click the Connections tab, and then click Never dial a connection.
  3. Click LAN Settings.
  4. Under Automatic configuration, clear the Automatically detect settings and Use automatic configuration script check boxes.
  5. Under Proxy server, clear the Use a proxy server for your LAN check box.



My System SpecsSystem Spec
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30 Sep 2011   #32
richie1913

windows7 ultimate 32 bit
 
 

Turned off firewall as well.

I have always just used a normal ethernet cable with no problems at all.

Settings for ICS are as you describe already.

Local adapter does not show up under merge/delete network.

Before any of this went wrong,everything worked as it is set up now,even after a fresh install i used ti just plug another computer into my ethernet port and it would come up with local adapter as home,this without usb dongles or ics involved,now when i do the same thing all i get is unidentified network/local adapter has no valid ip address,why would it be still like this after a fresh install and do you think if i used something like d-ban to wipe the hard drive that might right what is wrong.

There are a lot of other posts all about this issue all over the internet and most of them are not using ics or dongles.

Thanks for helping
My System SpecsSystem Spec
30 Sep 2011   #33
rraod

MS Windows 7 Ultimate 64-bit SP1
 
 

Your issue is network connectivity... That has nothing to do with wiping the hard disk or reinstalling windows again.

Your networking is called peer to peer (P2P) networking (adhoc...) meaning - one to one networking, two computers connected to each other with one single network cable without any hardware (switch, hub, router...) in between.

For your information...

For normal networking, people use a regular straight ethernet cable to connect the computers to a switch, hub etc.
For peer to peer networking this cable does not work. What is required is a cross over ethernet cable for P2P networking.

Are you using the same cable now which you have used before or another one?

Please go through Darryl Licht's instructions step by step and do not get confused and mix up things not related to networking....
My System SpecsSystem Spec
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30 Sep 2011   #34
richie1913

windows7 ultimate 32 bit
 
 

This cable is the one i have always used,i did try another one to see if that was the issue but it wasn't
I am sorry but everything is set up the way it was when it worked correctly,there is a hub that shows up in my network connections if i click on multiple networks,that never used to be there,and i cant get rid of it delete,tried everything.
My System SpecsSystem Spec
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 Local connection cannot get a valid ip config




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