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Cannot connect to internet after upgrading to W10 and reverting to W7

This is a discussion on Cannot connect to internet after upgrading to W10 and reverting to W7 within the Windows 7 , Windows Vista Support forums, part of the Tech Support Forum category. Hi everyone, I'm getting a bit desperate here. Today I tried upgrading to Windows 10. After doing so, I had


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Old 07-25-2016, 10:39 PM   #1
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Hi everyone,

I'm getting a bit desperate here. Today I tried upgrading to Windows 10. After doing so, I had some trouble connecting to the internet. After shutting down and rebooting, the problem was mostly fixed, but any time I ran a restart rather than shutting down, I lost my internet connection. Then, shortly thereafter, I lost my connection completely. So, I reverted to W7.

Unfortunately, reverting to W7 did not fix my problem. In the "Network Connections" window, I get "Unidentified network" under my Local Area Connection. If I run the troubleshooter, it tells me "Local Area Connection doesn't have a valid IP configuration." I have searched all over and found numerous people with the same problem, but none of the solutions are working for me.

Any advice on what I can try? I'm sure you'll need some more information from me. Just let me know what you need, and I'll be happy to provide it.

Thank you very much for any help you can offer.
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Old 07-26-2016, 02:05 PM   #2
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Is this a laptop or desktop? It shouldn't matter what version of Windows you have.
Your Local Area Connection is your Ethernet cable to your router.
Power Cycle everything (ie) unplug your Router and Modem if they are separate devices, or combo device, wait 15 seconds and plug them back in, first the modem and then the router. Restart the computer. When all of the lights come back on for the modem/router then try it again.
An IP address is sent to your computer from your DHCP server also known as your router. If you only have a modem and not a router or combo device, it will be sent by your Internet Service Provider. If you still have problems, try a different Ethernet cable. Try a different Ethernet connection on the router.
If you continue to have problems, go to Start/Search and type CMD, Right click the CMD results and Run As Administrator. In the Elevated Command Prompt type Ipconfig /all> 0 & notepad 0 copy the Notepad results and paste it in your next post.
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