Realtek Ethernet LAN Card Stopped Working After Upgrade
Aug 3, 2015
I recently upgraded my laptop to Windows 10 from Windows 8.1. After that, my Realtek PCIe GBE Family Controller (ethernet) randomly stops working. After a reboot or "fixing" the problem, the card works for anywhere from 1 minute to 4 hours, then fails again.
Sometimes "failing" means that in control panel it shows that it is still connected, but doesn't actually work, [URL]
or other times it just shows that it is unplugged, when that is certainly not the case [URL]
Troubleshooting the problem with Windows troubleshooter yields three errors, seemingly random when they each appear.
The three errors are "The Default Gateway is not Available", this error [URL], and then finally a DNS error that shows up on Chrome and the Windows troubleshooter [URL]. The way the internet stops working is Chrome will stop loading web pages and give me a DNS error, shown in the most recent gyazo.
So far I have tried rebooting numerous times, (which USUALLY fixes it for a few minutes), troubleshooting with Windows troubleshooter, and changing the DNS servers to Google's (which I have now changed back to the automatic setting since my ISP, Time Warner Cable, isn't too happy about working on an external DNS server. I have also tried eight different ethernet cables, over two different networks and routers. All of this has begun after I upgraded to Windows 10.
I have tried three different drivers for the ethernet card; one from Realtek's website, one from my laptop manufacturer's website (Sager), and lastly Window's generic one, none of which have worked for me. It could be a coincidence, but it seems that if I have constant load on my ethernet card, it lasts for much longer without failing.
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