ossi06 posted at 5:57 AM Wed, 13 September 2023 - #4474508

 For A-Sunbeam, you could try OSLP (Freeware) to upgrade to Catalina. But with care and Backup. An advice: First boot from a stick, and when P13 works then change the boot-sequenz.

Thank you, I'll look into it. And I'll have to save up for P13 - rather short of cash this last while!