Well I lugged my desktop upstairs to the router and plugged it in directly and ethernet worked fine so looks like the issue is just with the powerline network in some way, which I can probably figure...

They're just hardware, no software with them :(

Same issue, I've heard that maybe a USB adapter could be a work around? Or will the default gateway issue still mess this up?

But how do I fix the gateway issue? I don't know what software I need to reinstall because I have two different adapters with different drivers but I don't even understand the route of the problem

Yeah I tried that early on and it did nothing for me. Could it be a hardware malfunction of some sort? Why is there no default gateway?

I will have to see if that disk is still around. I had my computer built by a someone else. Is it just a driver? Or something else? Why would this change happen suddenly?

Sorry please excuse my ignorance, where would I normally see these values and what does it mean that they are missing?

One or more network protocols are missing on this computer

then as detailed information:

"Windows Sockets registry entries required for network connectivity are missing."

Hello, I have a desktop computer that I usually connect through ethernet to my home network using a d-link powerline adapter. The other night it just randomly stopped working, and had been working...