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21 Apr 2010  

Windows 7 Ultimate x86
Local Area Connection doesn't have a valid IP config

There have been already few threads open for this topic not only on this forum but on different ones around the world, however the problem is still not solved, thus I decided to open a new topic and solve this problem once and for all.
Here is the problem: I cannot connect to my wired network, it is stuck for a while at 'identifying' and then it says: " "Local Area Connection 2" doesn't have a valid IP configuration Not fixed "
I have tried restarting the laptop, turning off/on the router and modem, manually assigning ip address, disabling/enabling network adapter, disabling/enabling TCP/IPv6, I have tried basically everything - all the suggestions that I have found on different forums but nothing helps!
The weird thing is that I am connected to the same network via my wireless.
Finally the solution to the problem:
1.Right Clicked Local Area Connection
2.Clicked Configure
3.Advanced Tab
4.Highlighted Network Address and changed value by entering random 12 alphanumeric characters (i used 02EF22FD2310 from the top of my mind)
5. Click OK
Thanks to : Possible solution for unidentified network access
My System SpecsSystem Spec