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.
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.