![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: LANMU Micro SD to SD Card Male to Female Extension Cable Adapter Compatible with Ender 3 Pro/Ender 3/Ender 3 V2/Ender 5/Monoprice Mini/Anet A8 3D Printer/Raspberry Pi (5.9in/15cm) : Electronics Amazon.com: LANMU Micro SD to SD Card Male to Female Extension Cable Adapter Compatible with Ender 3 Pro/Ender 3/Ender 3 V2/Ender 5/Monoprice Mini/Anet A8 3D Printer/Raspberry Pi (5.9in/15cm) : Electronics](https://m.media-amazon.com/images/I/51-4zzywYRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: LANMU Micro SD to SD Card Male to Female Extension Cable Adapter Compatible with Ender 3 Pro/Ender 3/Ender 3 V2/Ender 5/Monoprice Mini/Anet A8 3D Printer/Raspberry Pi (5.9in/15cm) : Electronics
![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/images/000/000/158/medium800/overview.jpg)