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  1. [ubuntu] Re: Ubuntu 20.04 Realtek 8821CE wi-fi does not work properly

    That's often the case. The network management mechanism in Windows pretty accurately tracks changes in the router state and stays connected. So far, at least, Ubuntu does not.

    Did you undertake...
  2. [ubuntu] Re: Ubuntu 20.04 Realtek 8821CE wi-fi does not work properly

    Did you try the steps in my post here? https://ubuntuforums.org/showthread.php?t=2465375&highlight=dropping
  3. [ubuntu] Re: Activation of network connection failed with fresh 20.04.3 install

    Please run and post:


    sudo dmesg | grep enp

    Thanks.
  4. [ubuntu] Re: Ubuntu 20.04 Wifi Disconnects on Download

    Now we see the USB wireless device. My guess is that it was detached when the first wireless info was collected.

    We do not need or want the rt2800pci driver loaded. Let's get rid of it:


    sudo...
  5. Re: Wireless not showing after installing Additional Drivers deb

    Let's see what is going on, or wrong, on the PCI bus:


    sudo dmesg | grep 03:00
  6. [ubuntu] Re: Ubuntu 20.04 Wifi Disconnects on Download

    I'm very confused. Your wireless info shows NO wireless device at all; only an ethernet device.

    The loaded kernel modules include rt2800pci, a well known driver for PCI devices.

    Your logs show...
  7. Re: Wireless not showing after installing Additional Drivers deb

    Let's try another approach:


    sudo modprobe ath10k_pci
    sudo dmeg | grep ath
  8. Re: Wireless not showing after installing Additional Drivers deb

    Please run and post:


    sudo dmesg | grep -i ath
  9. [ubuntu] Re: An intermittent problem that disables wifi card

    As to your router, I haven't any clue. As to your computer, I suggest looking at:


    sudo dmesg | grep wl

    ...where 'wl' will get both the interface wlp2s0 and the driver wl.

    I'd also see what...
  10. [ubuntu] Re: An intermittent problem that disables wifi card

    The answer is, to me, fairly evident. Above, I suggested:

    You are not able to do this because the router is supplied by your ISP with limited options to make any changes. Afterwards, as suspected,...
  11. [ubuntu] Re: An intermittent problem that disables wifi card

    Let's see if the log has any clues:


    sudo dmesg | grep -ie brcm -e wlI am running a bit low on ideas, for sure.
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    [ubuntu] Re: NDISWrapper Installation fails

    ndiswrapper is VERY obsolete. I haven't seen it work successfully in many years.
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    [SOLVED] Re: Killer Wireless Module Not Detected

    Let's gather a few more details. Please run and post:


    lspci -nnk | grep 0280 -A3
    sudo dkms status

    Thanks.
  14. [SOLVED] Re: Lenovo thinkpad L15 gen2 ethernet not working in ubuntu 18.04

    I cannot. I know a bit about networking and wireless and almost nothing about general Ubuntu problems. All I really know is that my shutdown works as expected. Whew!

    I recommend that you post your...
  15. [SOLVED] Re: Lenovo thinkpad L15 gen2 ethernet not working in ubuntu 18.04

    Here ya go: https://askubuntu.com/questions/1352260/wifi-adapter-not-found-realtek-10ec8852-on-ubuntu-21-04

    Post back if you need additional help.
  16. [ubuntu] Re: An intermittent problem that disables wifi card

    The two bands typically have differing MAC addresses. Please try binding to the 5 gHz band like this:...
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    [SOLVED] Re: No internet connection but LAN just fine

    Looks perfect so far, except...it just doesn't work.

    How about:
    sudo service systemd-resolved status
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    [SOLVED] Re: No internet connection but LAN just fine

    Please:


    ls -al /etc/resolv.conf
  19. [ubuntu] Re: An intermittent problem that disables wifi card

    Please do:


    sudo apt update
    sudo apt install bcmwl-kernel-sourceReboot.

    You might also look into the settings in the router. WPA2-AES is preferred; not any WPA and WPA2 mixed mode and...
  20. [SOLVED] Re: Lenovo thinkpad L15 gen2 ethernet not working in ubuntu 18.04

    Good news, indeed! While we have a working ethernet, let's get the wireless working. Please run and post:


    lspci -nnk | grep 0280 -A3
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    [ubuntu] Re: WIFI USB driver install

    I assume the folder contains the manufacturer supplied drivers which are notoriously out-dated, so let's start fresh. Please insert the device and run and post:


    lsusb
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    [SOLVED] Re: No internet connection but LAN just fine

    I would also like to see:


    cat /etc/resolv.conf
    ls -al /etc/resolv.conf
  23. [SOLVED] Re: Lenovo thinkpad L15 gen2 ethernet not working in ubuntu 18.04

    I notice this in your readings:I was reminded of this post: https://askubuntu.com/questions/1204683/intel-3165-not-working-on-ubuntu-19-10/1256167#1256167

    Would you please check for D3cold...
  24. [ubuntu] Re: An intermittent problem that disables wifi card

    Please open a terminal and do:
    sudo apt update
    sudo apt install firmware-b43-installer
    sudo apt purge bcmwl-kernel-sourceReboot and let us hear your result. Is the performance improved?

    There...
  25. [SOLVED] Re: Lenovo thinkpad L15 gen2 ethernet not working in ubuntu 18.04

    It's definitely driven by e1000e.

    Let's see what's going on on the PCI bus:


    sudo dmesg | grep 1f.6I wonder if this is the issue: https://bbs.archlinux.org/viewtopic.php?id=191981 Please try...
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