On a Raspberry Pi 4, the green “ACT” LED indicates boot errors using certain blinking patterns. The following table shows what the different patterns mean (source of the table is the official documentation). Hint: In case your LED does not flash, or turns completely of after some flickering, your EEPROM bootloader might be corrupt. InContinue reading “Raspberry Pi 4 – Blinking patterns of green ACT LED”
Category Archives: Raspberry Pi
Headless setup of a Raspberry Pi 4 on macOS
This post explains how to setup a current Raspberry Pi 4 with the most recent version of Raspberry Pi OS (most recent = at the time of writing: January 2022). Some details can also be found on the official website. Step 1: Download the image For Raspberry Pi 4, if you want to install theContinue reading “Headless setup of a Raspberry Pi 4 on macOS”