If there is no rotate option available for displays connected through a dock, check that DisplayLink software is installed.
If the DisplayLink Manager is installed do the rotation through that instead of using the System Preferences: Displays rotate option (which is not available). If this fails, check the DisplayLink software is fully up to date.
I usually write a blog post about once a week. The latest post can be viewed here: Problematic Ideas: Some people will read this and think, what's the problem here? (posted 2025-08-30 at 14:00:03). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-08-07 What is Anything?: Use language in an honest way to communicate instead of obfuscating..
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