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

  1. #1
    Join Date
    Aug 2019
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    39

    Realtek RTL8723BE Wireless card Does not work in Ubuntu18.04

    I am having HP laptop (Hp 15R250Tu) with Realtek RTL8723BE WIFI card. The WIFI connection keeps getting Dropped after some time like 15-20 minutes and then it won't connect no matter what I do expect the only option left is to restart. To solve this I tried several solutions but NO Success. I am left further with No Clue what shall be done. Please any help would be appreciated.

    Solutions Tried:
    HTML Code:
    sudo apt update
    sudo apt install git dkms
    git clone https://github.com/lwfinger/rtw88.git
    sudo dkms add ./rtw88
    sudo dkms install rtlwifi-new/0.6
    HTML Code:
    $ make
    $ sudo make install
    $ sudo modprobe -rv rtl8723be
    $ sudo modprobe -v rtl8723be ant_sel=2
    $ echo "options rtl8723be ant_sel=2" | sudo tee /etc/modprobe.d/50-rtl8723be.conf
    

  2. #2
    Join Date
    Jun 2006
    Location
    Nux Jam
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    Distro
    Ubuntu Development Release

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


  3. #3
    Join Date
    Aug 2019
    Beans
    39

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

    This link is expired which the author has mentioned “gitclone https://github.com/lwfinger/rtlwifi_new.git

  4. #4
    Join Date
    Nov 2009
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    Distro
    Kubuntu 18.04 Bionic Beaver

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

    many versions, guides and options. this one make sense (driver might need additional packages to work): https://chirathr.wordpress.com/2017/...ian-or-fedora/

    second one is to try 20.04 or a newer kernel from mainline for example: https://itsfoss.com/upgrade-linux-kernel-ubuntu/
    by the way are you using the HWE stack on 18.04? https://wiki.ubuntu.com/Kernel/LTSEnablementStack

    finally if all fails (though it shouldn't) a workaround - wi-fi dongle - they are small and cost about 4 or 5 EUR. raspberrypi shops have plenty of the small models available and tested to work perfectly with linux.
    Read the easy to understand, lots of pics Ubuntu manual.
    Do i need antivirus/firewall in linux?
    Full disk backup (newer kernel -> suitable for newer PC): Clonezilla
    User friendly full disk backup: Rescuezilla

  5. #5
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    25,396
    Distro
    Ubuntu 20.04 Focal Fossa

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

    Please any help would be appreciated.
    Please start here: https://ubuntuforums.org/showthread.php?t=370108
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  6. #6
    Join Date
    May 2010
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    771

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


  7. #7
    Join Date
    Nov 2009
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    Hidden!
    Distro
    Kubuntu 18.04 Bionic Beaver

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

    yes, but you need to use driver for OP chip. and secure boot should be off. and as i posted sometimes additional libraries might be needed.
    Read the easy to understand, lots of pics Ubuntu manual.
    Do i need antivirus/firewall in linux?
    Full disk backup (newer kernel -> suitable for newer PC): Clonezilla
    User friendly full disk backup: Rescuezilla

  8. #8
    Join Date
    Aug 2019
    Beans
    39

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

    Hello as per the mentioned link I followed the first two commands.
    sudo apt update
    sudo apt dist-upgrade
    waited for some time the connection got dropped even after that so here I am pasting the link of Wireless link info for further guidance
    https://pastebin.com/Vfa9nM3a

  9. #9
    Join Date
    May 2014
    Location
    /home
    Beans
    9,045
    Distro
    Ubuntu 18.04 Bionic Beaver

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

    Lets try disabling wifi power management, in terminal
    Code:
    sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
    echo "options rtl8723be ant_sel=2 ips=N" | sudo tee /etc/modprobe.d/rtl8723be.conf
    Reboot

  10. #10
    Join Date
    Aug 2019
    Beans
    39

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

    Hello sir tried this command but connection dropped "Activation of network connection failed"

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