The above snafu was JUST reenacted by me!
{I wish side of burritos would rerecord this video.}
So I was thrilled to see the above post, but I can't get my chrome browser to see the device through the graphene web installer, so I'm stuck.
I'm in fastboot and my options are:
restart bootloader
recovery mode
rescue mode
barcode
power off
start
I'm paralyzed on
Error: Failed to execute 'requestDevice' on 'USB': No device selected.