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Thread: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

  1. #1
    Join Date
    Sep 2024
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    RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    First of all this : wireless info script output

    When I boot into the OS, for about 10~30 seconds the WiFi shows me the available networks after that my WiFi stops working no internet. when I turn the WiFi off then on the visible networks category just spins forever without giving me any network to log into.

    I am new to forums and stuff so, I don't know what all information to put in this post apart from the wireless info script output. Tell me and I will update it


    lspci output:

    Code:
    09:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
        DeviceName: Skyray
        Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:2231]
        Kernel driver in use: rtl8723be
    rfkill output:
    Code:
    0: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
    1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no

    ifconfig output:
    Code:
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
        link/loopback <MAC address> brd <MAC address>
        inet 127.0.0.1/8 scope host lo
           valid_lft forever preferred_lft forever
        inet6 ::1/128 scope host noprefixroute 
           valid_lft forever preferred_lft forever
    2: enp8s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
        link/ether <MAC 'enp8s0' [IF1]> brd <MAC address>
        inet 192.168.1.44/24 brd 192.168.1.255 scope global dynamic noprefixroute enp8s0
           valid_lft 85780sec preferred_lft 85780sec
        inet6 fe80::<IP6 'enp8s0' [IF1]>/64 scope link 
           valid_lft forever preferred_lft forever
    3: wlo1: <BROADCAST,MULTICAST> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
        link/ether <MAC 'wlo1' [IF2]> brd <MAC address>
        altname wlp9s0

  2. #2
    Join Date
    May 2014
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    Distro
    Ubuntu 20.04 Focal Fossa

    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    Lets try disabling wifi power management and see if that fixes this
    Code:
    sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
    echo "options rtl8723be ips=N"|sudo tee /etc/modprobe.d/rtl8723be.conf
    reboot

  3. #3
    Join Date
    Sep 2024
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    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    Thanks for your reply,
    That seems to work, atleast for now
    I will update my reply after some more time about 1~2 hour later

  4. #4
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    Sep 2024
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    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    @jeremy31, It worked for about 3 minutes or so then suddenly disconnected and back to square one. stuck with WiFi searching for available network.

  5. #5
    Join Date
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    Ubuntu 20.04 Focal Fossa

    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    Did this happen with other kernels?

  6. #6
    Join Date
    Sep 2024
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    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    I didn't used WiFi till now, I used to have Ethernet connection so i didn't really used WiFi.
    To answer your question, I don't know.

  7. #7
    Join Date
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    Ubuntu 20.04 Focal Fossa

    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    I would like you to boot into an older kernel like 6.8.0-40 and see if the condition still exists

  8. #8
    Join Date
    Sep 2024
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    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    Can you tell me how to do that? Is there any tutorial?
    edit: nvm found it

  9. #9
    Join Date
    Sep 2024
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    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    I tried 6.8.0 linux generic, 6.8.0-40 from ubuntu but anything below 6.8.0-41 is being wierd like half of the stuff on my menu goes even my ethernet so had to fall back to 6.8.0-41
    i also tried 6.10.8 which worked just like 6.8.0-41 but no wifi still

  10. #10
    Join Date
    Sep 2024
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    Re: RTL8723BE Wifi works for a few seconds then stops working [Ubuntu 24.04.1 LTS]

    Fix : I reseated my network adapter inside my laptop and its working, tho i completely removed ubuntu and installed arch.

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