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DNS issue with 20.04

us flag

I installed Ubuntu 20.04 LTS (I think that's the right number) last night and was able to use the internet. I was sure to log out and log off, then powered off the computer. Today I go to get on and play around some more and I cannot access anything. I keep getting DNS errors. I checked to be sure that the wifi was working and connected. Did I just ruin a computer?

Edit:

It says DNS error cannot find site requested. Check network connectivity and then it says to make sure that the browser has firewall permissions. The exact steps were to open the browser, type in something like Facebook and then it gives me error. Do I have a firewall thing?

us flag
Fixed the post, thanks for your attention.
ingank avatar
cn flag
Please open a terminal session, then: `nmcli device show | grep "IP4.DNS"`. Generally the displayed IP should match the internal IP of the gateway. If so, the first action for me would be to restart the gateway.
us flag
How would a noob go about restarting the gateway?
lr flag
The gateway is generally whatever box is generating your Wi-Fi signal, such as a Wi-Fi router (which may be incorporated into a cable modem). To restart it, remove its power, then power it on again.
Nmath avatar
ng flag
Again, you should **copy/paste** the whole errors, verbatim and unredacted. If you paraphrase or do not provide the whole error in the exact words, we cannot identify the error.
cc flag
So you can successfully ping 8.8.8.8, showing you have internet connectivity? And you cannot ping google.com? Maybe look at https://help.ubuntu.com/community/WifiDocs/WirelessTroubleShootingGuide
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