I was wondering if anyone has had the same problem: I upgraded from LTS 18.04 to LTS 20.04 with no problems. Once I restarted this morning, I no longer had access to the internet. It shows that I'm connected wirelessly, but if I try to open any web page, I get that the Server could not be found. I've had this problem before when I installed LTS 18.04, due to the booting process, but now it seems to be something different. Can anyone assist?
Update: Here are the results of the commands requested by chili555:
nuno@nuno-HP-Stream-Notebook:~$ ping -c3 18.104.22.168 PING 22.214.171.124 (126.96.36.199) 56(84) bytes of data. 64 bytes from 188.8.131.52: icmp_seq=1 ttl=113 time=3739 ms 64 bytes from 184.108.40.206: icmp_seq=2 ttl=113 time=2881 ms 64 bytes from 220.127.116.11: icmp_seq=3 ttl=113 time=2752 ms
--- 18.104.22.168 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2032ms rtt min/avg/max/mdev = 2752.423/3124.113/3739.134/438.031 ms, pipe 3
nuno@nuno-HP-Stream-Notebook:~$ ls -al /etc/resolv.conf lrwxrwxrwx 1 root root 29 Nov 1 2017 /etc/resolv.conf -> ../run/resolvconf/resolv.conf