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Re:Fixing 200 broken raspberry Pis to prevent e-waste and do... by shimonabi on Sunday January 31, 2021 @12:15AM (#25976227)
Does anyone have an idea why my Raspberry Pi 1 (2011) won't boot with a specific SD card?

I did a full writing/reading test by md5summing the reading result with the test data and it seems perfectly fine.

I had Raspbian installed on that SD card before and it booted, but now it won't boot anymore, no matter how many times I flash it. Other SD cards work fine.

Re:Fixing 200 broken raspberry Pis to prevent e-waste and do... by bombcar on Sunday January 31, 2021 @02:12AM (#25976816)
Could it be a partition issue?

It may also just be a marginal card - perhaps one of the fingers is missing a contact spot in just the place the Pi needs to see it.

I don't know if the Pi can boot from a USB flash reader, but you could try that.

Re:Fixing 200 broken raspberry Pis to prevent e-waste and do... by magicalhippo on Sunday January 31, 2021 @06:48AM (#25978126)
If it's a large SD card, then that might be it. The partition limit for the Pi Zero, 1 and 2 is 256GB[1].

[1]: https://www.raspberrypi.org/documentation/installation/sd-ca...

Re:Fixing 200 broken raspberry Pis to prevent e-waste and do... by shimonabi on Sunday January 31, 2021 @07:59AM (#25978463)
No, it's 8GB.