You're looking for information on HDD Regenerator 1.71 Portable. Here's what I found:
Despite its legacy, modern data recovery experts often view it as a "last resort." Controversy HDD Regenerator 1.71 Portable
or Western Digital, which are designed specifically for their hardware. System Information You're looking for information on HDD Regenerator 1
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However, do not use this tool on Solid State Drives (SSDs). SSDs use NAND flash and wear-leveling. Running HDD Regenerator on an SSD will not repair it; it will only waste write cycles and potentially damage the controller mapping.
The portable version can create a bootable USB or CD. When you boot from this media, the program loads its own lightweight DOS-like system. This gives it direct hardware access, allowing it to read and write to sectors that Windows would normally block.
Changes in version 1.71: