Ubuntu 新手。我有 Windows 10 双启动，有线/wifi 在 Windows 上运行良好。
在 Ubuntu 上，我的电脑已连接到网络但未连接到互联网，我尝试了各种网络。Wifi 问题已经存在一段时间了，我刚刚尝试过有线连接，我无法建议哪些更改可能导致了这个问题。
ip route 的输出，如果配置和 ip addr 显示如下。希望这些对您有帮助，感谢您的任何建议。
ip route show
default via 10.97.16.1 dev wlp1s0
default via 192.168.42.129 dev enp0s20u2 proto dhcp metric 100
default via 10.97.16.1 dev wlp1s0 proto dhcp metric 600
10.97.16.0/20 dev wlp1s0 proto kernel scope link src 10.97.31.163 metric 600
169.254.0.0/16 dev enp0s20u2 scope link metric 1000
192.168.42.0/24 dev enp0s20u2 proto kernel scope link src 192.168.42.87 metric 100
ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enx0023555c2668: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether 00:23:55:5c:26:68 brd ff:ff:ff:ff:ff:ff
3: wlp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 5c:51:4f:b8:79:96 brd ff:ff:ff:ff:ff:ff
inet 10.97.31.163/20 brd 10.97.31.255 scope global dynamic noprefixroute wlp1s0
valid_lft 10119sec preferred_lft 10119sec
inet6 fe80::89ff:fbb5:9ca5:8b18/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: enp0s20u2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
link/ether 02:db:a7:45:25:26 brd ff:ff:ff:ff:ff:ff
inet 192.168.42.87/24 brd 192.168.42.255 scope global dynamic noprefixroute enp0s20u2
valid_lft 2585sec preferred_lft 2585sec
inet6 fe80::c0ff:bc75:60c0:c87b/64 scope link noprefixroute
valid_lft forever preferred_lft forever
ifconfig -a
enp0s20u2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.42.87 netmask 255.255.255.0 broadcast 192.168.42.255
inet6 fe80::c0ff:bc75:60c0:c87b prefixlen 64 scopeid 0x20<link>
ether 02:db:a7:45:25:26 txqueuelen 1000 (Ethernet)
RX packets 11218 bytes 10358703 (10.3 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3119 bytes 388796 (388.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enx0023555c2668: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 00:23:55:5c:26:68 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 22436 bytes 1879167 (1.8 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 22436 bytes 1879167 (1.8 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.97.31.163 netmask 255.255.240.0 broadcast 10.97.31.255
inet6 fe80::89ff:fbb5:9ca5:8b18 prefixlen 64 scopeid 0x20<link>
ether 5c:51:4f:b8:79:96 txqueuelen 1000 (Ethernet)
RX packets 10609 bytes 9421757 (9.4 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2734 bytes 276606 (276.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
'''