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Windows 7: Invalid Gateway IP on my laptop

25 Jul 2011   #1
Mr Davo

Windows 7 (XP, by Virtualization)
Invalid Gateway IP on my laptop

Hi Everyone,

I have a Windows 7 laptop, it has two network connections - one that I use at work; it is a hard wired connection (by DHCP - where the server automatically assigns an I.P. address), and the other wi-fi; which I use at home (again by DHCP where my modem / router assigns an I.P. address).

Recently I performed a Windows update (whilst at home - connected to my wi-fi network) and now when I take my laptop to work I am unable to connect to the internet. The Windows (2000) server knows that my computer is there, and I can access network shares, however I can't browse the web.

I had a look at my network settings by "ipconfig /all" and discovered that my "hard wired" connection is being supplied an invalid Gateway I.P.

Other computer on the network are not receiving an invalid Gateway.

As a temporary fix I have entered a static IP, however I am wondering if anybody knows what may cause my laptop to be assigned an incorrect Gateway IP, particularly when other computers on the work network are not experiencing this issue.

Any help will be greatly appreciated.

Kind Regards,


My System SpecsSystem Spec
25 Jul 2011   #2


You could system restore to before the update was applied and see if that cures it. Then investigate which of the updates caused the problem?
My System SpecsSystem Spec

 Invalid Gateway IP on my laptop

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