In order to fix a corrupted hard drive, follow these steps:

1. Verify that your system is in good working condition.
2. Check your hard drive for any hardware issues with the disk.
3. Check for any software problems that could have caused the issue.
4. Run a disk check to scan for and fix any errors on the disk.
5. If necessary, reinstall any software or drivers that could have been corrupted.
6. Run a backup of your files to a secure location.
7. Run a full system scan using an anti-virus/anti-malware program.
8. If the above steps did not work, completely reformat the hard drive.