Ok. I think I got it. It's working now. I've uninstalled and reinstalled multiple times, there was I think a deb package that was older, then later I noticed a review that said it was out of date and to get calibre from the site. So Installed that. I later heard that a flatpack is better because the versions from the site don't autoupdate so I checked for a flatpack. . It looks like flatpack version that was the up to date version and I think that auto updates as well. There was no mention of a video driver update in the update manager log, but when I reinstalled the flatpack it did install something that appeared video related. Since you mentioned video drivers I also decided to try the Nvidia driver rather than using the open source driver. I also noticed plug in errors in the debug log so I fixed those. And drm might not have been set up correctly.
I've only been on linux about two weeks. There's a lot to learn.
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