Apparently, after i upgrade to 21.10, the ubuntu was loaded with Wayland. I switched back to X11and all works. But the Kazam did not give any warming. I discovered this problem when using vokoscreen. This one gave a warning message.
Apparently, after i upgrade to 21.10, the ubuntu was loaded with Wayland. I switched back to X11and all works. But the Kazam did not give any warming. I discovered this problem when using vokoscreen. This one gave a warning message.