![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)
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
![Custom laptop power management: external activity, power on button, graceful power off, hard power switch | blog Custom laptop power management: external activity, power on button, graceful power off, hard power switch | blog](https://user-images.githubusercontent.com/26856618/33644041-6889bf3e-d9f7-11e7-87ef-3f0bd3afc7cb.png)
Custom laptop power management: external activity, power on button, graceful power off, hard power switch | blog
![Raspberry basics: Project 01b Troubleshooting of common hardware Raspberry Pi problems at Acoptex.com / ACOPTEX.COM Raspberry basics: Project 01b Troubleshooting of common hardware Raspberry Pi problems at Acoptex.com / ACOPTEX.COM](https://acoptex.com/uploads/RaspberryTroubleHard4.jpg)
Raspberry basics: Project 01b Troubleshooting of common hardware Raspberry Pi problems at Acoptex.com / ACOPTEX.COM
![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
![Raspberry basics: Project 01b Troubleshooting of common hardware Raspberry Pi problems at Acoptex.com / ACOPTEX.COM Raspberry basics: Project 01b Troubleshooting of common hardware Raspberry Pi problems at Acoptex.com / ACOPTEX.COM](https://acoptex.com/uploads/RaspberryTroubleHard1.jpg)