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Thread: Lenovo IDEAPAD Won't connect to internet

  1. #1
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    Exclamation Lenovo IDEAPAD Won't connect to internet

    Folks, I am officially losing my mind. I have a new Lenovo IDEAPAD 3 and it REFUSES to connect to the internet. Wired--wireless--nothing works. It is currently running Kubuntu 22.04. It has a 8x12th GEn Intel Core i3-1215U and 7.5 GiB of ram. I'm also having to type this out by hand, so it is bound to have typos, and for that you have my apologies in advance.

    The wireless adapter is completely pooched. I have tried multiple different things and I'm getting nowhere. The laptop does not have a network plug, all it has is a USB-C plug. My router has a USB port on it (USB-A) , but when I plug my USB-A to USB-C cable into the laptop nothing happens. There is no change. It does not detect the cable.

    (Not that I think this matters a huge amount, but I originally installed Linux Mint on the machine, and the same problem occurred. I *assumed* it was the operating system and not the machine, so I uninstalled Mint and installed Kubuntu, only to have the same error. I have been working at this for over four hours now and I'm losing my mind. Hopefully you guys can help me out. I DO have D-LINK DWA-171 AC600 USB wireless adapter that I have tried inserting to get the laptop to default to that adapter, but it does not appear to be working either--either that or I can't make the machine swap adapters.)

    The network controller is listed as "Realtek Semiconductor Co., Ltd. Device b852"
    Subsystem: Lenovo Device 4853
    Flags: fast devsel, IRQ 225
    I/O Ports at 3000 [disabled] [size=256]
    Memory at 50500000 (64 bit, non-prefetchable) [disabled] [size=1M]
    Capabilities: <access denied>

    My lshw -C network result gives me the following
    *-network UNCLAIMED
    description: Network controller
    product: Realtek Semiconductor
    vendor: Realtek Semiconductor
    physical id: 0
    bus info: pci@0000:02:00.0
    version: 00
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress cap_list
    cofiguration: latency=0
    resources: ioport:3000(size=256) memory:50500000-505fffff

    my lspci gives this
    02:00.0 Network controller: Realtek Semiconductor, Device b852

    ip link says this:
    1: lo: <LOOPBACK, UP, LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

    my nmcli device show says this
    GENERAL DEVICE: lo
    GENERAL TYPE: loopback
    GENERAL HWADDR: 00:00:00:00:00:00:00
    GENERAL MTU: 65536
    GENERAL STATE: 10 (unmanaged)
    GENERAL CONNECTION: --
    GENERAL CON-PATH: --
    ip4 ADDRESS[1] 127.0.0.1/8
    IP4 GATEWAY --
    IP6 Address[1] ::1/128
    IP6 GATEWAY --
    IP6 ROUTE dst = ::1/128, nh = ::, mt = 256

    ifconfig:
    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 45500 bytes 3239782 (3.2 MB)
    RX errors 0 dropped 0 overruns 0 frame 0
    TX packets 45500 bytes 3239782 (3.2 MB)
    TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

    iwconfig
    lo no wireless extensions

    Any help would be welcome!

  2. #2
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    Re: Lenovo IDEAPAD Won't connect to internet

    What's the output for this:
    Code:
    lspci -nnk | grep -iA3 net

  3. #3
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    Re: Lenovo IDEAPAD Won't connect to internet

    02:00.0 Network Controller [0280]: Realtek Semiconductor Device [10ec:b852]
    Subsystem: Lenovo Device [17aa:4853]
    03:00.0 SD Host Controller [0805]: Genesys Logic, Inc GL9750 SD Host Controller [17a0.9750] (rev 01)
    Subsystem: Lenovo GL9750 SD Host Controller [17aa:384a]

  4. #4
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    Re: Lenovo IDEAPAD Won't connect to internet

    And just so it's said, if someone could let me know the easiest way to switch from the onboard network card to the external USB network card that would go a long way.

  5. #5
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    Re: Lenovo IDEAPAD Won't connect to internet

    Quote Originally Posted by heroquestelf View Post
    02:00.0 Network Controller [0280]: Realtek Semiconductor Device [10ec:b852]
    This device should work on Linux kernel 6.2+. You could run (K)Ubuntu 23.04 off a USB stick to see if that works
    Last edited by readableauthor; August 4th, 2023 at 01:40 PM.

  6. #6
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    Re: Lenovo IDEAPAD Won't connect to internet

    Quote Originally Posted by heroquestelf View Post
    And just so it's said, if someone could let me know the easiest way to switch from the onboard network card to the external USB network card that would go a long way.
    So that you can use your external Wi-Fi stick? As far as I know it requires external drivers.
    https://linux-hardware.org/index.php?id=usb:2001-3314
    Last edited by readableauthor; August 4th, 2023 at 01:47 PM.

  7. #7
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    Re: Lenovo IDEAPAD Won't connect to internet

    Your internal device requires drivers. Let's install the correct driver:

    Code:
    sudo apt install --reinstall git bc build-essential
    git clone https://github.com/lwfinger/rtw89.git
    cd rtw89
    make
    sudo make install
    Let’s load the required firmware:

    Code:
    cd /usr/lib/firmware/
    sudo mkdir rtw89
    sudo wget https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/rtw89/rtw8852c_fw.bin
    You will probably need to disable Secure Boot. Reboot.

    When your kernel version changes, then you need to do the following:

    Code:
    cd ~/rtw89
    git pull
    make clean
    make
    sudo make install
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, B.Sc., M.Sc., M.A., Ph.D., Sc.D.

  8. #8
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    Re: Lenovo IDEAPAD Won't connect to internet

    Okay, but here is the problem... I CAN'T install git, bc and build-essentials. That requires me to be online. Nor can I clone anything off of github... because, again, that requires me to be online.

    Unless you know of an alternate method I can use to get this stuff on my laptop. The wireless doesn't work, nor does the wired connection.

  9. #9
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    Re: Lenovo IDEAPAD Won't connect to internet

    Can you tether your phone?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, B.Sc., M.Sc., M.A., Ph.D., Sc.D.

  10. #10
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    Re: Lenovo IDEAPAD Won't connect to internet

    OMG... I didn't even know that was an OPTION. You're my HERO. I'm upgrading and working through your instructions right now. I will update this post once I'm done. I just wanted to go ahead and thank you for rescuing my sanity.

    IT WORKED!!

    You guys ROCK.
    Last edited by heroquestelf; August 4th, 2023 at 10:11 PM.

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