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On 19.04 sharing application window in conferences worked perfectly.

Now using the version 20.04 when I try to share just one window it doesn't work anywhere: I tried Google Meet, Skype, Zoom, Hangouts, Discord and Microsoft Teams. That happens both on the browser (tried Chrome, Chrome Beta, Chromium and Firefox) and on the apps when available. Sharing the entire screen works.

Google meet when I try to share applications

Using Ubuntu version 20.04 LTS and my desktop is Ubuntu Budgie.

$ budgie-desktop --version
budgie-desktop 10.5.1

$ echo $XDG_SESSION_TYPE
x11

$ free -h
total        used        free      shared  buff/cache   available
Mem:           15Gi       1,5Gi        12Gi        92Mi       1,8Gi        13Gi
Swap:          15Gi          0B        15Gi

$ sudo dmidecode -s bios-version
1.12.0

[update]: updated my bios now.

2 Answers2

0

BIOS

Dell Inspiron 7460

You have BIOS 1.11.0.

There's a newer BIOS available, 1.12.0, dated Mar 12, 2020, and can be downloaded here.

Note: Confirm that I have the correct web page for your model #.

Note: Have good backups before updating the BIOS.

Discord

Know that Discord is basically spyware, in my opinion. It has code that determines what other software that you're running at the same time. That's none of "their" business. The snap version of Discord also bombs /var/log/syslog with error messages, unless you've given it permissions to go outside of its sandbox (bad idea).

Update #1:

We've isolated the problem to something in your own account.

I'll outline a procedure to try and isolate common trouble areas.

There are three folders that can typically cause problems:

  • ~/.cache
  • ~/.local
  • ~/.config

The process is the same to eliminate ONE FOLDER AT A TIME. I'll use ~/.cache as the example.

Note: It's normal for some system/application settings to change during this procedure. Screen resolution, etc. That's normal. Don't panic.

  • rename ~/.cache to ~/.cache.HOLD
  • a fresh new ~/.cache folder will get recreated at log in
  • log out of your account
  • log back into your account
  • try to recreate the sharing problem
  • if the problem still exists, then ~/.cache is not the problem, then do:
  • MOVE the fresh new ~/.cache folder out to the Desktop, we'll trash it later
  • rename ~/.cache.HOLD to ~/.cache
  • IMMEDIATELY log out
  • log back in
  • if the problem is fixed, then the problem exists in the ~/.cache.HOLD folder, then do:
  • MOVE, NOT COPY, everything from ~/.cache.HOLD folder back into the fresh new ~/.cache folder, SKIPPING any existing files
  • anything left over in the ~/.cache.HOLD folder is potentially bad
  • done
heynnema
  • 73,649
0

Set WaylandEnable=false in /etc/gdm3/custom.conf file

sudo nano /etc/gdm3/custom.conf

uncomment the line

#WaylandEnable=false to WaylandEnable=false

this solution I found here