I can connect to networks, but cannot reach the internet

General system Newbie
21

Thanks for that. The underlying assumption here, is that other devices using the same connection, aren’t having the same issue. Can you confirm that?

22

Yes, every other device on my network is fine, and this PC has the same issue regardless of which network I connect to.

It fails in the exact same way on my phone’s hotspot, both wirelessly and via USB tethering.

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23

output of ‘ip route’?
Then try to ping your gateway (first ip in the output above)

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24

And:

route -n
25

Here’s ip route and route -n:

26

To confirm, your router lives at 192.168.1.254?

27

Yes, it does

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28

What’s the output of this (pinging Cloudflare DNS again, but via IPv6):

ping 2606:4700:4700::64 -c 4 -6
29

I feel that his routing table being duplicated is somehow to blame…though I don’t know how it got that way.

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30

Good point. The enp12s0 adaptor holds two IP addresses:

192.168.1.237
192.168.1.72
31

I’ll try this, I apologize for the delay.

Edit:

ping: connect: network is unreachable
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32

What should I do about this?

33

I’d suggest trying the ethernet first, assuming it has worked earlier.
Check the cable connection to the router. Unplug and re-plug.
The cable itself can also be broken for some reason, try another ethernet cable.

34

I’ve done all this, the cable is brand new, and I’ve tried every ethernet port on the router. The cable works to connect to the router, and I can connect with it perfectly fine if I just reboot into windows.

Edit: I did try to make sure it’s not any hardware issue before bringing it here, and have narrowed it down to being a problem specific to this particular install of EOS

35

That sounds like some very hidden setting has changed…
And it may be hard to find if you haven’t explicitly changed anything in your system.

36

Are you sure you didn’t set the firewall to not let any traffic through?

37

What I would try (making the assumption you’re running KDE and NetworkManager), disable networking via the network applet, verify that you see nothing in the routing tables. Reenable networking…and hope you have only two entries and one IP address.

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38

Is Fast Boot disabled in the BIOS/UEFI and Windows?

39

My firewall is disabled, I made sure

40

Yes, fast boot is disabled everywhere