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Thread: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

  1. #21
    Join Date
    Aug 2019
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    39

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    May be this might be the issue but other devices connected to wifi works fine. still i'll observe it for one more day. Although I noticed one thing when the connection gets dropped the wifi settings shows no wifi network at all of the vicinity. Finally I want to ask will this thing work https://github.com/smlinux/rtl8723de

  2. #22
    Join Date
    Aug 2005
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    South Carolina, USA
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    25,384
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    Finally I want to ask will this thing work https://github.com/smlinux/rtl8723de
    I can't get it to compile but I believe it is for a different device:
    Code:
    alias:          pci:v000010ECd0000D723sv*sd*bc*sc*i*
    They are certainly related, however, they are not the same. You can't fit a wheel from your 2020 Ford Focus on to a 1998 Ford Explorer.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  3. #23
    Join Date
    Aug 2019
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    39

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    @chili55, As mentioned by you in one of your answers on ask ubuntu
    Quite often, the weak signal is a symptom of the antenna wire being connected to connection #1 on the card when the default driver is expecting to see the signal at connection #2. Of course, you could open the laptop and switch the wire or you could try a driver parameter that permits antenna selection at the driver level.
    . I am going to try the #1 option whether this works or not.

  4. #24

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    I was facing same issue, after a while this error occurs Activation of network connection failed in ubuntu 18.04 LTS and after some googling and debugging i though it must be my system issue and performed a clean Ubuntu installation and again same thing occurred. I also have same rtl8723de wifi module.
    Last edited by plasticdeveloper32; September 3rd, 2020 at 09:14 PM.

  5. #25

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    Is there any quick fix, i don't have any other station to continue my work.

    If you want to perform some troubleshoot commands on a fresh ubuntu, i can run them for you as there is no risk of data loss or corruption, i backed up all my data before performing fresh installation.

    I would request to be quick with replays.
    Last edited by plasticdeveloper32; September 3rd, 2020 at 09:26 PM.

  6. #26
    Join Date
    May 2014
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    8,994
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    If you want to try the rtlwifi_new that was removed from github I uploaded what I had to https://www.dropbox.com/s/yp9ap3022c...ifi_new.tar.gz
    You will just have to extract and install it

  7. #27
    Join Date
    Aug 2019
    Beans
    39

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    @plasticdeveloper32, You can try this what jeremy31 has mentioned see if it gives you success till then I will try to figure out this antenna's wire swapping on wifi card. If wifi starts working for you test it thoroughly and tell.

  8. #28

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    Ok so i downloaded the rtlwifi_new from the above dropbox link, followed this medium for installation link
    When i trying to run this command on terminal, this error is the output with wifi module disappeared from settings:

    sudo modprobe rtl8723de

    Output: modprobe ERROR could not insert 'rtl8723be' : Operation not permitted

  9. #29
    Join Date
    May 2014
    Location
    /home
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    8,994
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    What result for
    Code:
    mokutil --sb-state

  10. #30

    Re: Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    Outout: secureboot enabled

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