Newbie stuck on Starting Umbrel dialog

Just assembled by Raspberry PI 4B with 128GB SD card and 2TB SSD drive. Downloaded umbrel-os-v0.5.4-patch-1. Flashed with the img file with balena Etcher to the SSD. Inserted the SD card into the Raspberry PI slot and turned on the device. On my Windows laptop I navigated to the URL: HTTP://umbrel and am stuck on this dialog with the Umbrel logo and text “Starting Umbrel…”

The monitor attacted to the Raspberry PI device has reached "umbrel login: "

What have I missed? Please advise.

Marty -

Typo above: s/b. Flashed the img file to the SD card.