I have a problem with my dual monitor configuration: MacBook pro 13 '' 2019 + external screen Z24i via eGPU.
When I use the Mac alone, I have the wallpaper that I chose which is displayed, when I'm in dual screen configuration, I use the external screen as the main screen (the macbook pro is not closed); in this case the wallpaper that I chose appears on the external screen against against the macbook pro is the default Mojave. If I go in the system preferences and I indicate that on the MB Pro I want the same screen as the external screen no worries, the wallpaper is the right of both sides. On the other hand, at the next reboot (this does not happen at sleep) and dual screens, the external screen will always have the right background, but the MB Pro will resume the default one.
I did research on the internet, I did not see a similar problem, if someone has an idea.
When I use the Mac alone, I have the wallpaper that I chose which is displayed, when I'm in dual screen configuration, I use the external screen as the main screen (the macbook pro is not closed); in this case the wallpaper that I chose appears on the external screen against against the macbook pro is the default Mojave. If I go in the system preferences and I indicate that on the MB Pro I want the same screen as the external screen no worries, the wallpaper is the right of both sides. On the other hand, at the next reboot (this does not happen at sleep) and dual screens, the external screen will always have the right background, but the MB Pro will resume the default one.
I did research on the internet, I did not see a similar problem, if someone has an idea.