For Creating USB Flash using Hirens BootCD for checking and repair Hard Disk Bad Sector Use this link:
Advanced Sorry for weird video. I will write the process here in case if you don`t understand.
1. Enter your USB drive
2. Enter Dos Programs
3. Enter Hard Disk tools
4. Enter HDAT2 4.53 (Test/Repair Bad Sector)
5. Then auto & choose your keyboard United states (or wait it will do automatically here)
6. Press Enter & Press Drive level tests menu
7. Enter Check and Repair bad sectors
8. And now it will start, it takes a lot of time, so wait until it finished.
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