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Thread: Realtek RTL8812AU driver installation

  1. #1
    Join Date
    Jul 2020

    Realtek RTL8812AU driver installation

    Hi please could somebody help me fully purge my system of the old realtek drivers and then help me to install a new one. I have just bought the Alfa AWUS036ACH i sucessfully download the RTL8812AU driver and it worked for about 2 days then suddenly stopped the lights have stopped blinking on the card all together now.

    dkms staus = root@venom:~# dkms statusrealtek-rtl88xxau, added
    rtl8812AU, 5: added
    rtl8812au, added

    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 005 Device 002: ID 0bda:8812 Realtek Semiconductor Corp. RTL8812AU 802.11a/b/g/n/ac WLAN Adapter

    Ive been trying to solve this problem for days now and its driving me insane as i am a noob to ubuntu linux. Any help would be greatly appreciated. Thanks Robski

  2. #2
    Join Date
    Nov 2008
    Metro Boston
    Kubuntu 20.04 Focal Fossa

    Re: Realtek RTL8812AU driver installation

    If you run the Driver Manager application in Settings, it will download, compile, and install the driver automatically.

    As for removing what you have now, I'm afraid I can't help with that. I rarely install software from outside the Ubuntu repository structure.
    If you ask for help, do not abandon your request. Please have the courtesy to check for responses and thank the people who helped you.

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  3. #3
    Join Date
    May 2014
    Ubuntu 18.04 Bionic Beaver

    Re: Realtek RTL8812AU driver installation

    Have you rebooted since installing those drivers? The dkms status just says added when it should list a kernel version and "installed"
    My results for dkms status show
    dkms status
    rtl8812au,, 5.4.0-26-generic, x86_64: installed
    rtl8812au,, 5.4.0-37-generic, x86_64: installed
    rtl8812au,, 5.4.0-39-generic, x86_64: installed
    rtl8812au,, 5.4.0-40-generic, x86_64: installed

  4. #4
    Join Date
    Jun 2020

    Re: Realtek RTL8812AU driver installation

    Can you confirm the card works on another machine?
    If it ran for two days and suddenly breaks down, I'd strongly consider checking the hardware.

    In my experience: software bugs have structure: something must have changed for a software bug to suddenly appear: an update, some change in configuration, something. Whereas hardware mistakes can just seemingly pop out of nowhere without much reproducability (if that's even a word).


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