On a related note - always try different ports and USB drives if it doesn't work the first time.id2concept wrote: ↑2019/02/08 21:41:06For me sticking the USB drive in a USB 2 port instead of USB 3 did the job (Shuttle DH310).
I had a similar problem installing OPNsense on an APU.4B4 board using Etcher on Windows 10 and a USB 3 drive. When I used an old USB 2 drive it worked.