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Thread: RTL8821CU Onboard WIFI

  1. #21
    Join Date
    Mar 2011
    Location
    Sauerland
    Posts
    5,574

    Default AW: RTL8821CU Onboard WIFI

    Oops my failure, kernel 5.11 is not installed.........

    So I am waiting but maybe this will work:
    Code:
    mkdir  /lib/modules/5.10.16-1-default/updates
    Code:
    cp /lib/modules/5.11.2-1-default/updates/8821cu.ko /lib/modules/5.10.16-1-default/updates/8821cu.ko

  2. #22

    Default Re: AW: RTL8821CU Onboard WIFI

    Quote Originally Posted by Sauerland View Post
    Oops my failure, kernel 5.11 is not installed.........

    So I am waiting but maybe this will work:
    Code:
    mkdir  /lib/modules/5.10.16-1-default/updates
    Code:
    cp /lib/modules/5.11.2-1-default/updates/8821cu.ko /lib/modules/5.10.16-1-default/updates/8821cu.ko
    Both of these completed without error. Restart?

  3. #23

    Default Re: RTL8821CU Onboard WIFI

    I restarted anyway. Still no internet, but maybe that's to be expected.

  4. #24
    Join Date
    Mar 2011
    Location
    Sauerland
    Posts
    5,574

    Default AW: RTL8821CU Onboard WIFI

    As root:
    Code:
    modprobe -f 8821cu
    Gives that an Output?

    Code:
    systemctl restart network.service
    Code:
    ip a
    Code:
    rfkill list all

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