How to fix a bad boot sector on a hard drive?vladsandu2000 (29) in hdd • 7 years ago How to repair a boot sector? You don't. You just replace the faulty hard drive component, reinstall the OS and move on. It's not rocket science https://vladsitworld.blogspot.com/2018/02/how-to-repair-boot-sector-problem.html hdd hard drives boot sector