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Thread: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

  1. #1
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    Feb 2014
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    RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    Hi there,

    my RTL8723BE PCIe Wireless Network Adapter gives me loads of trouble (disconnects and freezes every few minutes).

    I researched a lot on google and the forum here and at askubuntu, and couldn't find any answer that i could actually decipher (I'm a novice).

    Is there anyone who might be kind enough to quickly guide me through this?

    greatly appreciated in advance!
    e

  2. #2
    Join Date
    Apr 2012
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    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    hi,please open a terminal...ctrl/alt/t then
    COPY and paste one line at a time..
    Code:
    sudo modpobe -r rtl8723be
    echo "options rtl8723be fwlps=0 swlps=0" sudo tee -a /etc/moprobe.d/rtl8723be.conf
    sudo modprobe rtl823be
    thanks
    Craving anchovy, herring and squid pizza.....with clam sauce

  3. #3
    Join Date
    Feb 2014
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    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    Hi Hadaka,

    thank you so much for your reply!

    unfortunately I don't think it worked I corrected the typos in the lines that you've posted (always made it modprobe rtl8723be), and inserted them by order into the terminal. But nothing happened. The terminal gave no reply, and the wifi keeps disconnecting one minute after reboot.
    Can you go over the second line and tell me if all is correct there? Or is there anything else that I can do?


    Thanks so much for your time!
    e

  4. #4
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    Dec 2011
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    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    It is better to install new driver, which is already megred it ti new kernels.

    https://github.com/lwfinger/rtlwifi_new

  5. #5
    Join Date
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    Ubuntu 20.04 Focal Fossa

    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    Quote Originally Posted by Pilot6 View Post
    It is better to install new driver, which is already megred it ti new kernels.

    https://github.com/lwfinger/rtlwifi_new
    Unless you can guide this novice through the process, your answer is useless.

    There are four branches of this driver. Which branch to use depends on your kernel version. eli_fabrikant, please tell us from the terminal:
    Code:
    uname -r
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  6. #6
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    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    This is the output:

    3.13.0-44-generic

  7. #7
    Join Date
    Aug 2005
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    Distro
    Ubuntu 20.04 Focal Fossa

    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    With an internet connection, ideally ethernet, open a terminal and do:
    Code:
    sudo apt-get install linux-headers-generic build-essential git
    git clone https://github.com/lwfinger/rtlwifi_new.git
    cd rtlwifi_new
    make
    sudo make install
    sudo reboot
    Please tell us if you have any improvement. We will probably have one additional step.
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

  8. #8
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    Feb 2014
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    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    Dear chili555,

    it looks very good! I'll check it for a coupke more days and then mark it as solved if the problem doesn't appear gain.
    Just out of curiousity - can I do the same procedure after upgrading to 13.6 kernel or is it 13.3 specific? I'm asking because it seems like another driver that I need (touchpad elantech-x551c) is only available in 13.6.


    In any case, thanks a thousand times for your help!
    e

  9. #9
    Join Date
    Dec 2011
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    521

    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    I can just add that you will have to reinstall this driver after each kernel update.
    Unless I force myself to make a ppa with dkms package.
    Last edited by Pilot6; January 22nd, 2015 at 10:26 PM.

  10. #10
    Join Date
    Aug 2005
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    Ubuntu 20.04 Focal Fossa

    Re: RTL8723BE PCIe Wireless Network Adapter on ubuntu 14.04

    Quote Originally Posted by eli_fabrikant View Post
    Dear chili555,

    it looks very good! I'll check it for a coupke more days and then mark it as solved if the problem doesn't appear gain.
    Just out of curiousity - can I do the same procedure after upgrading to 13.6 kernel or is it 13.3 specific? I'm asking because it seems like another driver that I need (touchpad elantech-x551c) is only available in 13.6.


    In any case, thanks a thousand times for your help!
    e
    It works perfectly well in 3.16. Whether it provides the needed driver for your Elantech depends on the device. What is it?

    As Pilot6 notes, after a kernel update and after the required reboot, recompile:
    Code:
    cd rtlwifi_new
    make clean
    make
    sudo make install
    sudo reboot
    Glad it's working!
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

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