The install process was changed, especially for 17.1 due to conflicting requirements, problems, fixes... The process is describe here: https://forum.opnsense.org/index.php?topic=4943.0The wiki page hasn't been updated yet, but it will.If you see a login prompt after letting the system boot up, type "installer", hit enter, then type "opnsense", hit enter and you should see the installer.Cheers,Franco