Yesterday, I upgraded to 8.1. Since it finally became available on MSDN, I figured it should be stable enough for daily use. Boy, was I wrong. The Steelseries software completely bricks the OS completely, not even able to get in Safe mode and most games ran much worse. Some of them even exhibited random glitches and artifacts. I can live with all of those, what I can not live with though, is this: The internet drops out of nowhere, at random times and it comes back after a couple of minutes so I don't have much time to diagnose it. The weird thing is that changing the port on my router fixes this issue immediately. I'm pretty sure it's not the router's fault since I did not have any issues until I installed 8.1 and my phone who is on the same wireless network is also fine. PS: Clean install, old P35 MSI mobo with integrated LAN.
Latest Nvidia WHQL drivers from their website (from yesterday I think), but default windows drivers for the NIC. The thing is, it ran fine like this on win 8, and my motherboard, being so old, doesn't have any win 8 / 8.1 drivers on the manufacturer's website.
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Why bump a question, that is totally wrong here? Anyway, for the latest drivers I'ld recommend station-drivers.com.
Well, I'm pretty sure now that it's not a driver issue. I've tried all of them, but to no avail. The one from the Realtek website seemed to work, but today it started exhibiting the same issues again. I'm going back to vanilla win 8.
I assume that your copy of W8.1 always updates to generic driver and overwrites any older version even it is the right one. Reinstall the Realtek driver again and disable automatic updates. When you get notified about a new driver update, simple disable this one which shows grayed out out then. Then you can turn on automatic updates again.
Try using Windows native network software. This happened to me as well, the issue was my router software was half working with Windows 8. Don't use your router software to connect, disable it or uninstall it and connect to the internet using Windows.
What I posted has solved it for 8 hours for me. Before, I was having to reset the connection at least 4 times per hour. But I do not know if your problem you describe is the same thing. This is only a Windows 8.1 problem.