Um, why doesn't it work on my Pi 4?

Downloaded 2.714-2020-03-02-pi.img: flashed it with balenaEtcher: inserted the micro SD into the Pi 4: waited the recommended 6mins… And… Nothing. Blank screen. Any ideas? The Pi works fine with the default supplied OS, but I bought it to work as a music server, and so far it… Doesn’t

Do you see a WIFI network called Volumio?

that’s in most cases no network or wifi connected