#1 Repair bad sectors on Windows computer without software
Super easy to use plus it's copy disk, wipe disk option that you may use in this procedure Note: If you want to recover data from your damaged storage device, try iCare Data Recovery Free which is 100% free and it can restore unlimited data. (IM-Magic Partition Resizer provides copy disk, scan and repair bad blocks, erase disk etc. It's better to copy all the drive to another disk.
Note: Pleasse backup data on your device before the bad sector scanning and repairing. This page introduces ways to repair bad sectors with or without bad sector repair software on Windows computers or MAC. Best Bad Sector Repair Tools on Windows/MAC