![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://preview.redd.it/fvgosflk52f81.jpg?auto=webp&s=6c8a81f4cfe2e3d54e92bfed596e8a4d34b705c9)
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
![Raspberry pi 4 8GB can't boot using usb, recover4.elf and recovery.elf not found · Issue #1468 · raspberrypi/firmware · GitHub Raspberry pi 4 8GB can't boot using usb, recover4.elf and recovery.elf not found · Issue #1468 · raspberrypi/firmware · GitHub](https://user-images.githubusercontent.com/71351169/93262037-d8f6bc00-f7a3-11ea-9059-519b1967f1c0.jpeg)
Raspberry pi 4 8GB can't boot using usb, recover4.elf and recovery.elf not found · Issue #1468 · raspberrypi/firmware · GitHub
![bootloader - Raspberry PI 4 not booting, ACT LED blinks 4 times, boot recovery won't help - Raspberry Pi Stack Exchange bootloader - Raspberry PI 4 not booting, ACT LED blinks 4 times, boot recovery won't help - Raspberry Pi Stack Exchange](https://i.stack.imgur.com/1uMUE.jpg)