Ubantu Start Error: invalid environment block. Press any key to continue

Today, I want to open ubantu as usual, but I can’t open it normally, as shown in the figure below

It means invalid environment module. Press any key to continue, as shown in the figure below

 

cause of error: SD card is damaged and disk detection fails. It may be caused by sudden power failure or other abnormal shutdown of the system

note: it dawned on me at this time, because every time I shut down my computer, I didn’t turn off ubantu first (at that time, I wanted to shut down directly, and all programs would turn off automatically, it doesn’t matter)

solution:

enter the command fsck.ext3 – Y/dev/sda1 and restart

note: here, 1 in sda1 is changed to your broken disk

note: if not, try this command: fsck – Y/dev/sda1 and restart

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