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Thread: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

  1. #1
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    WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    I have a network adapter with RTL8811AU chip, when I type following command the kernel is

    Code:
    uname -r
    5.15.0-1048-raspi
    My device is recognized as
    Code:
    lsusb
    Bus 001 Device 005: ID 0bda:c811 Realtek Semiconductor Corp. 802.11ac NIC
    I have tried to install following drivers with from github with no success
    https://github.com/morrownr/8821au-20210708.git
    https://github.com/aircrack-ng/rtl8812au.git

    Any suggestion to a RTL8811AU driver that work with my kernel

  2. #2
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    You may have to edit the Makefile in the source to allow the driver to build for raspi
    What result from terminal for
    Code:
    dpkg --print-architecture

  3. #3
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    When I type your command it comes
    Code:
    dpkg --print-architecture
    arm64
    I saw in the Make file
    https://github.com/aircrack-ng/rtl8812au.git
    that it stands
    Code:
    CONFIG_PLATFORM_ARM64_RPI = n
    Is this stands RPI for rasberry pi and should it be like this
    Code:
    CONFIG_PLATFORM_ARM64_RPI = y
    Last edited by cyberrobotic; March 16th, 2024 at 07:21 PM.

  4. #4
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu


  5. #5
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    I have tried with no success
    Last edited by cyberrobotic; March 16th, 2024 at 07:02 PM.

  6. #6
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    See the wireless script link in my signature and post results

  7. #7
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    It is to large to paste here

  8. #8
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    Do a
    Code:
    cat wireless-info.txt|nc termbin.com 9999
    Paste URL from terminal

  9. #9
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    I have done it and this is the url

    https://termbin.com/fn7n
    Last edited by cyberrobotic; March 16th, 2024 at 08:34 PM.

  10. #10
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    Re: WiFi Adapter (RTL8811AU) Driver Installation Issue on Raspberry Pi 4 (Ubuntu

    Unplug the wifi, open terminal and run
    Code:
    sudo dmesg -w
    Plug in the wifi wait 20 seconds, then paste terminal output here along with result for
    Code:
    modprobe -c | grep -i c811
    The internal may function better after
    Code:
    sudo iwconfig wlan0 power off
    sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
    Last edited by jeremy31; March 16th, 2024 at 08:59 PM.

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