How can I repair bad sectors on a hard drive?

polycap August 31, 2011

Can I repair bad sectors on my Hard Disk on a machine without an operating system?

  1. Wayne
    May 11, 2012 at 7:01 pm

    There are a few different utilities you can use. HDD Re-generator or HDAT2 is what I would recommend. SpinRite is good but takes much longer to perform the job. Please don't confuse chkdsk with these other utilities. Check Disk does not repair a bad sector. It can repair problems related to bad sectors, lost clusters, cross-linked files, and directory errors, but is not able to repair a bad sector itself.

  2. Ammarkamboh
    February 8, 2012 at 7:17 am

    He foolash mane are all above
    Say bad saktor bat I say bad saktor cant nat remove You dont try it
    You west time !

  3. Gus88
    September 3, 2011 at 2:56 pm

    You can check bad sectors and remove errs by hitting start,then my computer,then right click on hard drive c: then go to properties.then tools and there you will find the tools you can use. I may have misunderstood your question.

    September 3, 2011 at 2:39 am

    Hello, spinrite is a good paid software to accomplish what you want.  The best one I have ever used is hdd regenerator.  Here is the link:

    There is this program, which is a freeware replacement software for hdd regenerator:

  5. Anonymous
    September 1, 2011 at 3:37 pm
    • Jeffery Fabish
      September 1, 2011 at 8:52 pm

      Very good suggestion, I totally forgot about that.

  6. Jeffery Fabish
    August 31, 2011 at 11:01 pm


    You'll want to download and burn a Linux LiveCD and run the BadBlocks utility. However, if you format the hard drive and put Linux on it all together, you will receive minimal bad clusters (Granted you use EXT3+).

    • Ammarkamboh
      February 8, 2012 at 7:19 am

      No re
      I want remove bad sator Bat how
      Send men

  7. Mulder
    August 31, 2011 at 10:16 pm

    You really can't do that. There are bad sectors on all hard drives, and more will develop during normal use. There is software that will attempt to repair bad sectors, but it will most likely fail, after which you'll need disk recovery software if you need to recover the data from that sector (if you have no backup).

    In any case, you would need an OS on the hard drive, or software that will boot your system so that you can run the repair software.

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