@guiverc Thank you for the pointer. I downloaded and installed the Raspberry Pi imager for windows and tried to unpack the server image - and it worked.
So apparently some sort of incompatibility with Balena Etcher. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1909417 Title: ubuntu server for raspberry pi 400 will not unpack to SD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1909417/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
