disappeared.
When I connect an external monitor the internal one is automatically disabled and I can’t choose whether to duplicate the screen, extend or …
Thanks to Timeshift I returned to the previous configuration
While information from *-fetch type apps might be fine for someone wishing to buy your computer, for Support purposes more indepth information is usually needed;
It’s best to ask your system directly.
Output of the inxi command with appropriate parameters will achieve this (naturally, formatted according to forum requirements) and will generally be more useful for those wishing to help:
Be prepared to provide more information and outputs from other commands whenever asked. It’s equally important to provide as much actionable information as possible in your first post, rather than simply indicating there is a problem.