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Thread: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

  1. #1
    Join Date
    May 2018
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    No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    I've installed my Ubuntu 18.04 with minimal installation mode with keeping the option to install WiFi drivers along. But still I couldn't use the WiFi, since the setting is showing that there is no WiFi devices found.

    Attaching pastebin link from terminal outputs. Tried most of the solutions mentioned in forum like , sudo apt-get install --reinstall bcmwl-kernel-source

    http://paste.ubuntu.com/p/52nm6tsyqz/
    Last edited by zueore; May 25th, 2018 at 07:50 PM.

  2. #2
    Join Date
    May 2014
    Location
    /home
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    6,456
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    Code:
    sudo apt remove bcmwl-kernel-source && sudo apt install git dkms
    git clone -b extended https://github.com/lwfinger/rtlwifi_new.git
    sudo dkms add ./rtlwifi_new
    sudo dkms install rtlwifi-new/0.6
    Reboot
    If you notice weak signal try
    Code:
    sudo modprobe -r rtl8723de && sleep 5 && sudo modprobe rtl8723de ant_sel=1
    and see if it is better, if not do
    Code:
    sudo modprobe -r rtl8723de && sleep 5 && sudo modprobe rtl8723de ant_sel=2
    Last edited by jeremy31; May 25th, 2018 at 09:46 PM.

  3. #3
    Join Date
    May 2018
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    3

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    Wow! That was a huge help. Thanks.

  4. #4
    Join Date
    Jun 2018
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    1

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    thank you jeremy 31, Now wifi adapter is on.

  5. #5
    Join Date
    May 2018
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    3

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    Is there any way to do run this modrobe command automatically while booting up? It's becoming irritating to run this everytime inorder to connect to WiFi!

  6. #6
    Join Date
    May 2014
    Location
    /home
    Beans
    6,456
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    Yes
    Code:
    echo "options rtl8723de ant_sel=X" | sudo tee /etc/modprobe.d/rtl8723de.conf
    Replace X with whatever setting worked best

  7. #7
    Join Date
    Jun 2018
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    1

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    HI,
    I installed the minimal version of Ubuntu 18.04 and the problem is wifi gets disconnected and automatically airplane mode gets turned on which i couldn't disable manually. so I used the commands you have given and i rebooted it after few minutes the wifi option wasn't there and says "wifi adapter is not found " please help me out here.

  8. #8
    Join Date
    Aug 2005
    Location
    South Carolina, USA
    Beans
    24,277
    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    Quote Originally Posted by flash1996 View Post
    HI,
    I installed the minimal version of Ubuntu 18.04 and the problem is wifi gets disconnected and automatically airplane mode gets turned on which i couldn't disable manually. so I used the commands you have given and i rebooted it after few minutes the wifi option wasn't there and says "wifi adapter is not found " please help me out here.
    Please start your own new question and include the diagnostics report from here: https://ubuntuforums.org/showthread.php?t=370108
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D.

  9. #9
    Join Date
    Jul 2018
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    4

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    Hi @jeremy31,

    Thanks for posting the solution but i tried the way you have asked and that didn't resolved my problem "wifi adapter is not found ". can you please help i have added logs for my device info over here https://pastebin.com/qzsL029z.
    Last edited by dubeysandeep; July 5th, 2018 at 09:31 AM.

  10. #10
    Join Date
    Jul 2018
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    2

    Re: No WiFi adapter found in Ubuntu 18.04, HP Laptop 15q-bu0xx

    Hi jeremy
    My laptop is Dell Inspiron 3442. I've also the same problem that showing '' no wifi adapter .''So I can't use wifi on my laptop that recently installed Ubuntu 18.04 alongside with window 10. I tried with your codes. The first line of codes work.But others do not.Please help.

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