The firmware included with the Raspberry Pi 2 Model B version 1.2 introduced the possibility of booting from a USB device: before that, it was only possible to boot from an SD or microSD card. But ...
Setting up a Raspberry Pi board has always required a second computer, which is used to flash your operating system of choice to an SD card so your Pi can boot. But ...
Raspberry Pi 5: Check LED status (red and green) for booting issues. Fatal firmware error (4 slow flashes, 5 fast flashes) and power failure (6 fast flashes) should ...