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Ubuntu 以太网不工作

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Ubuntu 以太网不工作

我是 Linux 新手，使用 USB 在新 PC 上运行 Ubuntu 18.04 LTS。一切都很顺利，直到我检查到以太网电缆不工作。PC 没有 wifi 适配器，所以我无法使用 WIFI。我尝试了以下说明：

并尝试从英特尔网站重新下载驱动程序，但没有成功。

以下是一些可能有用的信息：

lsmod | grep e1000
e1000e                245760  0


dmesg | grep e1000e
[    1.438380] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    1.438380] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    1.438542] e1000e 0000:00:1f.6: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
[    1.692252] e1000e 0000:00:1f.6 0000:00:1f.6 (uninitialized): registered PHC clock
[    1.763417] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 04:**:f5:**:28:65
[    1.763418] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection
[    1.763513] e1000e 0000:00:1f.6 eth0: MAC: 13, PHY: 12, PBA No: FFFFFF-0FF
[    1.775740] e1000e 0000:00:1f.6 eno1: renamed from eth0
[   11.825988] e1000e: eno1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None

ifconfig
eno1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::b41b:eaba:945d:2f19  prefixlen 64  scopeid 0x20<link>
        ether 04:d9:f5:87:28:65  txqueuelen 1000  (Ethernet)
        RX packets 243300  bytes 19951408 (19.9 MB)
        RX errors 0  dropped 149  overruns 0  frame 0
        TX packets 610  bytes 398215 (398.2 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
        device interrupt 16  memory 0xa4300000-a4320000  

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 3497  bytes 305581 (305.5 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3497  bytes 305581 (305.5 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ip route 
*no results*

我目前正在使用 USB 以太网，并且运行良好（为了清楚起见，删除了该接口的详细信息）。

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