I tried the solutions proposed in but that did not help. What can I do to make this SD card useable again, ie how can I write to it again? When I replug the sd card and run the same command I get the same error and the card still contains the same files as before. This means I cannot flash another image with etcher and can not modify any partitions on it (tried with gparted and fdisk).Īs an example, I can run mkfs.ext4 /deb/sdb1, confirm that I want to format even though it is a boot partition and have the command terminate without any error. This video is designed to help students learn how to format their SD Cards for their Raspberry Pi in the case that there is a glitch or error. Now the problem, after I decided to use NOOBS instead I found out that I can no longer write anything to the SD card! (When doing this I thought the problem lay in the iso I had downloaded). I don't after which of these operations the disk stopped working as they all appeared to be successful. In total I flashed it two or three with etcher and tried to write it with dd once or twice. Tried to flash it again which didn't solve the issue and tried using dd. Tried to boot the Pi but it fails saying Unable to mount root fs on unkown-block(179,2) You no longer have to format a card as FAT or install NOOBS yourself. I used Balena Etcher 1.5.57 to create a bootable disk on a 64GB SanDisk microSD card. Formatting an SD card for the Raspberry Pi used to be somewhat of a struggle, but not too long ago, the Pi team put out a new Raspberry Pi Imager that’s made things much simpler. I decided to start with the current raspbian build, which as of writing was the one released. I have a Raspberry Pi 3B+ that I want to make a little home server out of.
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