If your hard drive is unbootable due to corrupt partition tables, computer viruses, system errors, and other non-mechanical issues, you may consider using a hard drive data recovery tool to save your precious files or data from being permanently wiped out. Thankfully, there are tons of available Linux-based rescue tools that can get the job done quickly and easily. I have here a list of some of the most well-known Linux-based hard drive data recovery tools that you can use freely