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When I was using an Ubuntu computer, I could connect to Wi-Fi, but I couldn't connect to the Internet.
I canceled the fixed IP and changed the DNS settings, but it doesn't connect at all.

ip aThen it became like below

3: wlp4s0:<BROADCAST, MULTICAST, UP, LOWER_UP>mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 9c: d2: 1e: 0f: 23: 67 brd ff: ff: ff: ff: ff: ff
    inet 192.168.1.4/24 brd 192.168.1.255 scope global dynamic noprefixroute wlp4s0
       valid_lft 55446sec preferred_lft 55446sec
    inet 192.168.1.150/24 brd 192.168.1.255 scope global secondary noprefixroute wlp4s0
       valid_lft forever preferred_lft forever
    inet6 240d: 1a: 32: b400: 9523: fbee: 7ab: e58f/64 scope global temporary dynamic
       valid_lft 6821sec preferred_lft 6821sec
    inet6 240d: 1a: 32: b400: e5be: 4d12: 3d78: ff6c/64 scope global dynamic mngtmpaddr noprefixroute
       valid_lft 6821sec preferred_lft 6821sec
    inet6 240d: 1a: 32: b400: 44d8: adb0: caf2: be60/64 scope global temporary dynamic
       valid_lft 6821sec preferred_lft 6821sec
    inet6 240d: 1a: 32: b400: af36: c737: dbc8: a3dd/64 scope global dynamic mngtmpaddr noprefixroute
       valid_lft 6821sec preferred_lft 6821sec
    inet6 fe80 :: aebd: 4906: dd96: 399e/64 scope link no prefix route
       valid_lft forever preferred_lft forever
    inet6 fe80 :: 3123: 4f58: 6b5b: f241/64 scope link no prefix route
       valid_lft forever preferred_lft forever

Please tell me the solution
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