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How to fix " [FAILED] Failed to start File System Check on Root Device.You're in emergency mode. After logging in, type "journalctl -xb" to view system logs. "

In linux , sometimes you face booting issues and one of the issues i faced was the error "[FAILED] Failed to start File System Check on Root Device.
You're in emergency mode. After logging in, type "journalctl -xb" to view system logs. "


To solve this error, you need to do the following steps.

1. Make a bootable usb for your linux distro.

2. Boot into the live environment and run blkid command and see where ext4 ( or whatever your file system is ) written in the output and see the first word , it would be like /dev/s-- .

3. Run the command

    sudo fsck (output of step 2)



Hope it will fix your problem.

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