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Ok, so I am suddenly having problems with my network on my laptop. It resets my adapter and of you fine souls has the solution to my problem. Once you've written down the details, go to the brands web site> support/downloads and see what the latest drivers are for your controller, download and instal, and see if this fixes the situation. I tried uninstalling and reinstalling 10 my Ethernet adapter is intermittently dropping my connection. You'll see in the picture I posted below I've got a Qualcomm brand Atheros AR8161 etc.
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Go into your device manager on your lappy and look up what type of Ethernet controller you have. I think this is your problem with the ethernet card in your lappy and when you've reverted back to 8.1 the drivers that were installed with windows 10 have stuck there and are out of date. Whilst this might be good to keep drivers up to date, unfortunately Microsoft haven't got the system perfected properly and there have been thousands of cases where Windows has taken drivers that show up on a computers as being out of date, when in fact they are the latest it's in fact the microsoft data base that's out of date. You haven't said which version of Windows 10 tried 8.1 you are using, but one of the for some, annoying quirks of Windows 10, particularlly Windows 10 home is the fact that it's been all invasive in the updating area, taking over in a lot of cases driver updates for just about all components in computers. Good evening RC, well from what you've told us there, we can rule out the modem and your service provisioning as everything else seems from what you say, works fine.
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