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Thread: Ethernet Wired Network - Not Showing

  1. #1
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    Ethernet Wired Network - Not Showing

    I can't see the 'Wired Connection' information when I go to Preferences > Network.
    I can see Wireless, but nothing about Wired Connection, not even when I hook an Ethernet patch lead into the RJ-45 port socket. Do I need to re-install the drivers or network service again?

    On the other hand, I have another laptop that Wireless doesn't work.

    Anyone knows how this can be solved please?
    Someone can perhaps give me a response on this?


    1. I'm running Ubuntu version 18.04.3 LTS (64-bit).
    2. Laptop models HP 250 G6 and HP 250 G7.
    3. Wireless and Wired are enabled from the BIOS.


    Out of the discover command (Laptop that doesn't have NIC showing)

    Code:
    daniel@ubuntu:~$ discover
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller 
    Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller 
    Linux Foundation 3.0 root hub 
    unknown unknown 
    unknown unknown 
    Linux Foundation 2.0 root hub
    Last edited by daniel-patrick; 4 Weeks Ago at 02:23 PM.

  2. #2
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    Re: Ethernet Wired Network - Not Showing

    You have a Realtech NIC and here might be a solution for you:

    https://unixblogger.com/how-to-get-y...updated-guide/

    Good Luck!

  3. #3
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    Re: Ethernet Wired Network - Not Showing

    Code:
    sudo lshw -C network
          and
    ip a
    will show the important information about the card. Please post using 'code tags', like I have. I have a realtek NIC on one of my machines.
    Code:
    Network:   Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
               driver: r8169
    is uses the r8169 driver. But there are other drivers, which is why more data is needed.
    Last edited by TheFu; 4 Weeks Ago at 07:45 PM.

  4. #4
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    Re: Ethernet Wired Network - Not Showing

    Quote Originally Posted by webaake View Post
    You have a Realtech NIC and here might be a solution for you:

    https://unixblogger.com/how-to-get-y...updated-guide/

    Good Luck!
    Or just run

    Code:
    sudo apt-get install r8168-dkms
    and reboot.

  5. #5
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    Re: Ethernet Wired Network - Not Showing

    sudo lshw -C network

    Code:
    daniel@ubuntu:~$ sudo lshw -C network
      *-network                 
           description: Ethernet interface
           product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           vendor: Realtek Semiconductor Co., Ltd.
           physical id: 0
           bus info: pci@0000:02:00.0
           logical name: eth0
           version: 15
           serial: e4:e7:49:84:04:8f
           size: 10Mbit/s
           capacity: 1Gbit/s
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
           configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
           resources: irq:16 ioport:3000(size=256) memory:b1104000-b1104fff memory:b1100000-b1103fff
      *-network
           description: Wireless interface
           product: Dual Band Wireless-AC 3168NGW [Stone Peak]
           vendor: Intel Corporation
           physical id: 0
           bus info: pci@0000:03:00.0
           logical name: wlan0
           version: 10
           serial: a0:a4:c5:9e:b1:9b
           width: 64 bits
           clock: 33MHz
           capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
           configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-62-generic firmware=29.1044073957.0 ip=172.23.12.22 latency=0 link=yes multicast=yes wireless=IEEE 802.11
           resources: irq:131 memory:b1000000-b1001fff
    daniel@ubuntu:~$



    ip a

    Code:
    daniel@ubuntu:~$ ip a
    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: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
        link/ether e4:e7:49:84:04:8f brd ff:ff:ff:ff:ff:ff
    3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
        link/ether a0:a4:c5:9e:b1:9b brd ff:ff:ff:ff:ff:ff
        inet 172.23.12.22/24 brd 172.23.12.255 scope global dynamic noprefixroute wlan0
           valid_lft 84494sec preferred_lft 84494sec
        inet6 fe80::3d85:8074:9742:42d1/64 scope link noprefixroute 
           valid_lft forever preferred_lft forever

  6. #6
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    Re: Ethernet Wired Network - Not Showing

    Normally, you can only have one network connection active. Disable the wifi if you want the wired to be used. The wifi is getting an IP somehow. Did you set it or is DHCP being used?

    Please pick 1 connection to troubleshoot - wired or wifi. I might be able to help with the wired connection. I cannot help with wifi. I don't use wifi much.
    Some normal troubleshooting steps:
    https://blog.jdpfu.com/2013/03/01/li...101-networking Run through those steps and post the commands and results. Please.

    It looks to me like the correct driver is being used for the wired connection.

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