Well, I did a reinstall and the problem went away. The ethernet seems to be working as good as, if not better than, the wifi. NOT going to install the driver again, thank you very much. If it ain't...

Nah, sorry ilay. I'm getting ready to do a re-install of Windows again because I really need that port. Seems like Ed couldn't find anything. Best I can tell you to do is to try all the fixes...

Thanks, Ed! I'm very much thankful for your help. (I apologize for the delay again. Our ISP is acting up.)

I'm fairly sure that your contact is referring to the Dell Diagnostics option under Boot...

Thanks, Ed! That makes me so glad! By all means, take your time.

I also tried booting into another OS. The adapter worked just fine.
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The battery is also almost drained. I'll remove it...

More help is better, thanks. I'm gonna try draining the battery completely of power and leaving it like that for a few hours to suffocate the motherboard. Heard it could reset the NIC, but I don't...

I'm definitely administrator. I updated the BIOS a few hours after I ran into this problem first. In the BIOS, there aren't many options available, this being a laptop and all. There was an option to...

Thanks for the video, but I had already tried that option. For the sake of our sanity, I'll try it again.

I uninstalled whatever driver was there in the first place (did not delete it). Then I...

Believe me, tried and tested that option. Thanks for replying so soon!
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Hi, people.

Edit: In post #16, you'll find that the solution is to do a re-install of Windows. Feel free to try all the other methods we've tried. Best of luck.

TL;DR Messed around with the...