I'm using an RPI 3B+ and it suddenly stopped working (after shutdown didn't boot again). The SD-Led on the board shows constant green. I tried creating a new image-file on the SD (which until now has always worked fine), but didn't help.

The green light doesn't show up with the new SD card at all. Both SD cards work (checked them), as also the power plug (I measured it with a Voltmeter).

Any ideas why this happened so unexpectedly?

  • how did you check the SD cards to verify they work? I check SD using another Pi. If it works on another Pi, I have a funeral for the dead Pi. – OyaMist Jul 2 '18 at 14:22
  • I verify the installation of the image-file. Also, there is no hint that the SD cards stopped working after the boot. – itzFlubby Jul 2 '18 at 15:04
  • 2
    Thanks for the clarification. SD cards readers/writers can be unreliable and/or inconsistent between computers. Image verification only proves that the verifying computer can read the SD card. I have written and verified SD cards on one computer only to have them be completely unreadable by another computer. Yes. It can be maddening. BTW, is your Pi in a case and protected from electrostatic damage from things like purring cats that need to be petted? – OyaMist Jul 2 '18 at 15:09
  • Soo: After flashing the SD card with an older image of raspbian, I got the Pi to boot. I will go check, if there was a problem with an installed package update. – itzFlubby Jul 2 '18 at 15:31
  • @itzFlubby I guess that is only likely in the event of a firmware upgrade, it is likely the SD card was just being flaky (it may continue to me reliable in a way if it was just due to a power spike or similar, but you may want to get a new one!) – Wilf Jul 2 '18 at 16:10

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