Hard Disk Repair Elementary OS – Step-by-step

Fixing Disk

3. 3. Looking Up Partitions

   Then to Find the Volume to Fix
   Use the sfdisk Software like:

   sudo sfdisk -l

   Then in output Look for the Linux filesystem, root or LVM Partitions.
   You should Recognize each also watching to the Size:

   

4. 4. Releasing Partitions

   Next to possibly Unmount Volumes
   Check if some Partition is Mounted with:

   df -h

   Look into the Output if you are able to Realize the Marks.
   Then if needed Unmount All the Linux Filesystem Partitions with:

   sudo umount /dev/[my-vol]

   Where [my-vol] the Device identifier.
   So for example to Unmount one do:

   sudo umount /dev/sda1

5. 5. Fixing Disk

   Then to Fix Hard Drive Volume
   Automatically Fixing a Partition with:

   sudo /sbin/e2fsck -fy /dev/[my-vol]

   So for instance:

   sudo /sbin/e2fsck -fy /dev/sda1

   Then if Errors are found Repeat again the process until the Disk is Fixed with No more Issue detected.
   If the Disk is Not Corrupted then the Process will Easily Restore the Volume.

6. 6. Rebooting

   Finally, Reboot Elementary OS
   From Shell with:

   sudo reboot