Many Pi boards come with a microSD card with the NOOBS (New Out Of the Box Software) installer; of course, you can also have your own standalone image. Whichever method you use, it is recommended to use an 8GB for SD card or higher. But what’s most important, is to use a reliable SD card manufacturer. Now, you might probably not know from the start whether you’ve picked the wrong one, but buying only from authorized suppliers and doing some research on recommended SD card brands for Pi might be helpful. When booting, you will know that there’s a problem with the SD card if the red LED is blinking, while the green LED is not. Or, the green LED can blink regularly (3 to 8 times) to indicate that there’s a problem with the card.
How do I fix the Raspberry Pi SD card issues?
1. Mount a fresh OS image
This is the standard recommended solution to fix a faulty microSD card. However, users complained that the Pi fails to recognize the card all too frequently and that they have to re-install a fresh image over and over again. It is very frustrating, which is why the next solution might be helpful, but only after a first successful first boot: namely to make a read-only copy of the OS on a USD stick or another media device.
2. Make a read-only copy of the SD card
If you then need to make changes to the system, you can remount the read-only partitions with write access sudo mount -o remount, rw /dev/mmcblk0p2 .
Additional info
We would like to have your intake on this matter, so drop us a line with any other solutions that you might have, in the comments section below.
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