Hard drive bad sector

By umar ยท 6 replies
Jul 21, 2012
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  1. Hello Everyone ,

    I have suddenly faced a problem that was causing BSOD randomly . After viewing logs from event viewer it was identified that one of my harddisk was creating problem . Logs stated

    :\Device\Hardisk1\DR has a bad block

    After Running chkdsk these were the results

    The type of the file system is NTFS.

    WARNING! F parameter not specified.
    Running CHKDSK in read-only mode.

    CHKDSK is verifying files (stage 1 of 3)...
    131584 file records processed.
    File verification completed.
    333 large file records processed.
    0 bad file records processed.
    2 EA records processed.
    60 reparse records processed.
    CHKDSK is verifying indexes (stage 2 of 3)...
    171992 index entries processed.
    Index verification completed.
    0 unindexed files scanned.
    0 unindexed files recovered.
    CHKDSK is verifying security descriptors (stage 3 of 3)...
    131584 file SDs/SIDs processed.
    Security descriptor verification completed.
    20205 data files processed.
    CHKDSK is verifying Usn Journal...
    34041408 USN bytes processed.
    Usn Journal verification completed.
    Windows has checked the file system and found no problems.

    41937682 KB total disk space.
    27517704 KB in 85055 files.
    52856 KB in 20206 indexes.
    4 KB in bad sectors.
    237110 KB in use by the system.
    65536 KB occupied by the log file.
    14130008 KB available on disk.

    4096 bytes in each allocation unit.
    10484420 total allocation units on disk.
    3532502 allocation units available on disk.

    4 KB in bad sectors

    Kindly help me remove this bad sectors .

    Will formatting and reinstalling new os will solve ?

  2. jobeard

    jobeard TS Ambassador Posts: 11,177   +990

    just run CHKDSK /F C:
  3. SNGX1275

    SNGX1275 TS Forces Special Posts: 10,742   +422

    Bad sectors are often bad. Sometimes they are not and a full format will let you continue on as fine. Well, actually that is the point of the full format - if bad sectors exist, they are marked and not written to. Some programs like HD Re-generator claim to fix those, and I've actually had good luck with that.
  4. umar

    umar TS Member Topic Starter Posts: 56

    @jobeard : I did ran chkdsk its showing 4k not removing I think I have to format it . And one more thing should I format only the partition that has bad sector or make raw whole hdd.

    @SNGX1275 HDD Regenerator was taking to long .. I had work. I will try the format option . Should I format whole hdd or only the partition that has it
  5. SNGX1275

    SNGX1275 TS Forces Special Posts: 10,742   +422

    You would only need to format the partition that has the bad sectors. You will need the full format option though.
  6. jobeard

    jobeard TS Ambassador Posts: 11,177   +990

    CHKDSK /F /R C: is more thorough and runs FIVE phases of analysis and recover.

    Requires ADMIN user-id
  7. umar

    umar TS Member Topic Starter Posts: 56

    I did by admin rights will try again and will let you know the results . I think bad sectors are causing random BSODs can you analyze if I sent you dumps . Some Bad caller pool error .

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