Another data point, to be able to boot the SD Card you need to press f12 for the boot screen during start-up and select legacy boot: sd card.
SD Card is a generic 16GB card from Amazon that came part of a package with a Raspberry Pi3 (branded with a Raspberry Pi logo). This (micro)SD card is housed in an adapter (also Raspberry Pi branded). Finally, this happened whilst trying to install Bionic. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1749228 Title: Installing from sd card fails on some hardware To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1749228/+subscriptions -- ubuntu-bugs mailing list email@example.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs