OS Installs didn't have a disk to install.
To summarize my whole story: the internal hard drive couldn't be detected, even in Disk Utility. Tried again and again, couldn't boot and still had the question mark folder. I rebooted and I got a flashing question mark folder.
A software update notification came up and I gave it a go ahead. Just unpackaged an early 2016 silver Macbook (Model A1534).
