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Problem:

When I (right) click to open the Network Manager from the panel (in the bottom right), it opens for 0.5-2s before closing. This seems to be independent of mouse movement or clicking. This means it is difficult to use the options in the menu (but if I am fast enough, I can still use them).

I am clicking the Network widget that appears after enabling Network on Autostart (below). I believe the nm-tray widget works as expected (the one that displays "enable Wi-Fi" works fine, the one that lists the available Wi-Fi connections does not work).

My computer spec:

Running lubuntu-22.04.3-desktop-amd64 on a Z50-70 Laptop (Lenovo) - Type 80E7. (Only Lubuntu, no other OS, though the laptop used to use Windows 8)

The laptop is quite old, and has battery issues (evidenced by weak battery pop-ups).

Other:

Prior to this, I enabled Network on Autostart (through Preferences -> LXQt Settings -> Session Settings -> Autostart -> Network) so that the Network Manager would appear on the panel. Network has an exclamation mark next to it.

The image download was not corrupted, as I checked the SHA256SUM of the iso file I got the same as the reference on Ubuntu's website: ffccfa53a10bacf0b8b7589e85c739e650aef8f38ac4ed66f96fd591396d2f21 *lubuntu-22.04.3-desktop-amd64.iso.

I am new to running Linux in general. The issue has been present since the installation of Lubuntu (which was only a few days ago).

Testing:

  • Waiting after right-clicking: it still closes.
  • Other panel items behave as expected (i.e. Removable Media, Volume Control, Notifications, Battery, Qlipper, World Clock, etc)
  • Opened a terminal (Ctrl + Alt + t), ran nm-connection-editor, it doesn't seem to provide any diagnostic output - just "Wired connection 1" and a Wi-Fi network I am trying to connect to. (i.e. the command succeeded)
  • Opened Computer/var/crash/ and it was empty.
Raya Buckley
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    AFAIK the applet associated with the network button is nm-connection-editor - have you tried running that from a terminal (LXTerminal or QTerminal) and if so does that provide additional diagnostic output? – steeldriver Feb 05 '24 at 17:21
  • The widget on the panel is nm-tray, which on clicking Edit Connections will open nm-connection-editor as @steeldriver suggests. I'd too suggest trying to open it via Qterminal as already suggested & look for clues; as well as explore /var/crash/ for any crash file indications (or system logs). I have more failures on the write of ISO to media that download of ISO (ie. checksum of ISO only checks download). Do other panel items behave as expected? (ie. only nm-tray closing). – guiverc Feb 05 '24 at 20:54
  • @steeldriver Do you know what diagnostic output I should be expecting from running nm-connection-editor? Is there anything else (other than running the command in the terminal) that I should do to get diagnostics?

    @guiverc How can I check whether the write of the ISO to media has failures? What should I be looking for in the system logs?

     – Raya Buckley Feb 06 '24 at 21:34
  • @RayaBuckley I'd expect some error messages if the command failed - however it sounds like it succeeded? – steeldriver Feb 06 '24 at 21:51
  • I've written answers to this question on this site where a non-upvoted answer (added much later) has me showing how I perform media checks prior to starting an install (also can be read here)... if your install already exists though its a bit late. nm-connection-editor is a Connections Editor tool & isn't used to connect, just change settings (gear icon), or + (add) or - (rm) – guiverc Feb 07 '24 at 01:16
  • To search logs; I'd likely work out what network hardware you're using (sudo lshw -C network) so I had keywords to search. and then explore from there .. ie. on this desktop my NIC shows "logical name: enp0s31f6" so I can sudo dmesg |grep enp0s31f7 to see some results, or even sudo journactl |grep enp0s31f6 for starters, though I'd probably page & search using POSIX search tools (as journactl shows human time, you can search for messages around when you have issues such as when you clicked the tool & that's how I'd expect to find useful detail; dmesg useful if you just tried too!) – guiverc Feb 07 '24 at 01:23

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