![Overview | Adafruit's Raspberry Pi Lesson 1. Preparing an SD Card for your Raspberry Pi | Adafruit Learning System Overview | Adafruit's Raspberry Pi Lesson 1. Preparing an SD Card for your Raspberry Pi | Adafruit Learning System](https://cdn-learn.adafruit.com/guides/cropped_images/000/000/158/medium640/overview.jpg?1520540067)
Overview | Adafruit's Raspberry Pi Lesson 1. Preparing an SD Card for your Raspberry Pi | Adafruit Learning System
![RPi 3b doesn't boot from sd card. Without sd card, both ethernet light up, even with sd card inserted too. ACT led wont light up. 3.3v rail works. : r/RASPBERRY_PI_PROJECTS RPi 3b doesn't boot from sd card. Without sd card, both ethernet light up, even with sd card inserted too. ACT led wont light up. 3.3v rail works. : r/RASPBERRY_PI_PROJECTS](https://i.redd.it/fvgosflk52f81.jpg)
RPi 3b doesn't boot from sd card. Without sd card, both ethernet light up, even with sd card inserted too. ACT led wont light up. 3.3v rail works. : r/RASPBERRY_PI_PROJECTS
![Amazon.com: RasTech Raspberry Pi 3 Model B Starter Kit with 32GB Micro SD Card HDMI Cable Network Cable 5V 3A Power Supply with ON/Off Case Cooling Fan, 3 Heatsinks Card Reader Screwdriver : Amazon.com: RasTech Raspberry Pi 3 Model B Starter Kit with 32GB Micro SD Card HDMI Cable Network Cable 5V 3A Power Supply with ON/Off Case Cooling Fan, 3 Heatsinks Card Reader Screwdriver :](https://m.media-amazon.com/images/I/71Sy7uwd78L.jpg)