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Help, does anyone know what's the problem here? Green light blinks four times at start then only get a solid red after, preloaded with noobs in sd card : r/RASPBERRY_PI_PROJECTS
![How to Make Your First Simple Led Blink Project in Raspberry Pi2 : 4 Steps (with Pictures) - Instructables How to Make Your First Simple Led Blink Project in Raspberry Pi2 : 4 Steps (with Pictures) - Instructables](https://content.instructables.com/F2X/25D8/IJ7WOZOS/F2X25D8IJ7WOZOS.jpg?auto=webp&fit=bounds&frame=1&height=1024&width=1024auto=webp&frame=1&height=150)
How to Make Your First Simple Led Blink Project in Raspberry Pi2 : 4 Steps (with Pictures) - Instructables
![pi 3b+ - Pi 3 Model B+ has steady red PWR LED but no green ACT LED with 2018-03-13-raspbian-stretch.img - Raspberry Pi Stack Exchange pi 3b+ - Pi 3 Model B+ has steady red PWR LED but no green ACT LED with 2018-03-13-raspbian-stretch.img - Raspberry Pi Stack Exchange](https://i.stack.imgur.com/cuukk.jpg)