⚠️ The ISO is not hybrid by default on older versions; some require isohybrid conversion for USB boot.
: Most free tools only remap bad sectors using the drive’s built-in spare area. HDD Regenerator claims in-place repair , but evidence is anecdotal. hdd regenerator full iso
Scan and repair the primary boot drive (C:) which cannot be fully unmounted while Windows is running. ⚠️ The ISO is not hybrid by default
