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Thread: Very weak wifi signal on ubuntu 18.04

  1. #1
    Join Date
    Feb 2020
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    Unhappy Very weak wifi signal on ubuntu 18.04

    Hi. Need help in increasing my wifi signal strength. I am using a TPlink router (model TL-WR850N). and my desktop has Intel dual band wireless - AC 3168 hardware.

    This is the output for lsmod | grep rtl

    btrtl 20480 1 btusb
    bluetooth 573440 33 btrtl,btintel,btbcm,bnep,btusb,rfcomm

  2. #2
    Join Date
    Mar 2007
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    Xubuntu

    Re: Very weak wifi signal on ubuntu 18.04

    Hello linux-bioinfo,
    I have an Intel AC3168 also; I have no issues with it at all. Your AC3168 is probably on the PCI bus, not the USB bus.
    Please complete the recommended steps here, https://ubuntuforums.org/showthread.php?t=370108
    It will provide a detailed analysis of your networking environment.
    Other members will need the output of wireless-info.txt to be able to best advise you.
    Last edited by him610; February 27th, 2020 at 08:49 PM. Reason: spelling
    Cheers,


    The Linux Command Line at http://linuxcommand.org/

  3. #3
    Join Date
    Feb 2020
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    Re: Very weak wifi signal on ubuntu 18.04

    Thank You @him610. I have followed the instruction on the link provided by you and run the script. Here is the wireless-info.txt output.
    https://pastebin.com/19s1LsQX


    Please help

  4. #4
    Join Date
    May 2013
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    Galiza
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    Ubuntu

    Re: Very weak wifi signal on ubuntu 18.04

    The old TL-WR850N router probably has something to do with it.
    I didn't spot anything else wrong with your installation.

  5. #5
    Join Date
    Aug 2005
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    25,293
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    Ubuntu 20.04 Focal Fossa

    Re: Very weak wifi signal on ubuntu 18.04

    Quote Originally Posted by linux-bioinfo View Post
    Thank You @him610. I have followed the instruction on the link provided by you and run the script. Here is the wireless-info.txt output.
    https://pastebin.com/19s1LsQX


    Please help
    If you boot into an earlier kernel from -40, is the problem resolved?

    Is there a TX Power setting in the router? Is it set to the maximum?
    "Oh, Ubuntu, you are my favorite Linux-based operating system" --Dr. Sheldon Cooper, Ph.D., Sc.D.

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