Internet connectivity problem after upgrading from windows 8 to 8.1

nsch

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Nov 6, 2014
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I upgraded today from Windows 8 to 8.1 in my new laptop and since then I cannot connect to the internet. I have checked my sky router and it is working properly and my old laptop with windows 7 is connecting normally to the internet. Can anybody please help me ? If connecting to internet with windows 8.1 is going to be a problem how can I revert back to windows 8? Thanks. Advise and solution appreciated.
Neeraj.