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I got a Raspberry Pi 3 Model A+. I immediately inserted an sd card and booted it up it went well for one day and then after an update, I could not reboot it up so then I formatted the sd card and installed noobs in it again. but this time some of the apps didn't start like sonic pi, sense hat emulator and chromium. After much trying I finally thought of reinstalling the os and This time I thought of dual booting it with Raspbian and LibreELEC_RPi2. So now both the os didn't work. I thought this could be an issue with the power supply because in the instructions it was written 5V and 2.5A(min), and I was using a charger of 2.4A. After that, I checked the rating of the original RPI power supply, which was 3A, so I got a charger of the same rating.

After I plugged it in the socket there was some fluctuation in the main power supply and now only PWR led lights up and not ACT led. I tried formatting the card again, even bought a new sd card reader, I even tried booting with a pen drive.

Please tell me what to do as I am a beginner in this.

  • then after an update what update? dual booting it with Raspbian and LibreELEC_RPi2 how? best thing to do is to do a very basic install first before trying "dual boot" or anything at all advanced, check it works - if that doesn't work, try a different sd card – Jaromanda X Mar 16 '19 at 4:56
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    the update that occurs after booting Raspbian for the first time, I skipped that the time so I had to do that from the terminal. I dual booted using noobs. I did it in case I can not open Raspbian so I would still have the other one to use. – Jagteshwar Singh Mar 16 '19 at 5:56
  • the update that occurs after booting Raspbian for the first time - oh, where it expands the root filesystem? and that breaks the install? seems like noobs is broken – Jaromanda X Mar 16 '19 at 6:08
  • Possible duplicate of Raspberry Pi 3b+ not booting. Please look at the The Boot Problems Sticky – Ingo Mar 18 '19 at 11:29

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