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Repairing the FAT table ?

Discussion in 'Hardware' started by dogbonz, Oct 20, 2005.

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  1. dogbonz

    dogbonz Thread Starter

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    Hi Again,

    This is actually a new problem I guess. I'm just dumb
    enough to realize that the problem I've been having
    in recognizing a "new" HDD added on to a working
    unit involves the FAT32 table.

    The system is now recognizing the drive, but I can't
    see any of the files therein.

    Soooooo, how do I rebuild the FAT table to "see"
    the drive's contents ? The system runs incredibly
    slow because of that 2nd drive. I'm sure it's looking
    for file locations.

    Ideas ?

    Thanks in Advance
     
  2. loserOlimbs

    loserOlimbs

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  3. dogbonz

    dogbonz Thread Starter

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    Hi LoserOlimbs,

    Thanks for the site. I agree that the MBR seems ok.

    I'm trying a couple of programs off that site in the
    morning.

    Thanks,
     
  4. JohnWill

    JohnWill Retired Moderator

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  5. dogbonz

    dogbonz Thread Starter

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    Had probs getting old HDD to be opened. XP "Saw"
    the drive, but I couldn't open it.

    Eventually, after looking around at other programs,
    I tried CHKDSK /R - It corrected the FAT and
    the MBR.

    Waaaaa- LAAAAH

    Thanks all for your help,
     
  6. Elvandil

    Elvandil

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    It's an underestimated tool. And a lot of people say it can't fix FAT partitions, basing that on an older incarnation of chkdsk that is nothing like the one in XP.

    Congratulations. There is always a backup FAT that chkdsk and scandisk can use to repair after comparing the two.
     
  7. dogbonz

    dogbonz Thread Starter

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    Hi Elvandil,

    Yep. I walked feelin' poorly because all I used was scandisk.

    CHKDSK WORKS !

    (remember to run it from "cmd", and to add the extention " /r"

    Yep.
     
  8. winbob

    winbob

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    Now that you have it back in working order...if it were mine, I would convert it over to NTFS as soon as possible! Were it mine. :cool:
     
  9. JohnWill

    JohnWill Retired Moderator

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    My major issue with CHKDSK is that it pretty much kills any suspect files, rather than attempting a more intelligent recovery. :)
     
  10. dogbonz

    dogbonz Thread Starter

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    Hi John,

    I agree that CHKDSK is not pefect, however for those
    who have experienced a corruption of the FAT table,
    it seemed to do a nice job. I knew that the HDD and the
    new HDD-0 were virus and spyware free.

    There are other programs that can do that I'm sure, but
    they all cost money. CHKDSK is worth a try in that
    situation. The only time it is usually used is after a
    non-regulatory shutdown. However it can be used
    from the CMD window for individual repairs.

    The real "sledgehammer" is FDISK.

    Thanks,
     
  11. Elvandil

    Elvandil

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    Though I certainly agree that a recovery of files should be attempted before running chkdsk (It removed my Acronis .tib files during a "repair" once), it helped me recover from a Partition Magic error so that I got everything back.

    It's a great tool, not perfect, and often not the first choice, depending what you are doing and how important the files on the partition.
     
  12. JohnWill

    JohnWill Retired Moderator

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    Actually, I rarely find myself in that situation. I have daily backups, and twice a day for critical projects that are active. Normally, my response to a corrupted disk is format and restore. :D
     
  13. Elvandil

    Elvandil

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    Yes, mine too, usually. In this situation, I had an Acronis backup and was making a new one with 9.0.2277. After the backup, I ran chkdsk on the second drive. To my astonishment, the whole backup that I had just made (though not the previous one) was completely removed by chkdsk.

    My first suspicion was that Acronis was responsible and had made an error creating the backup from the CD boot version. And I am still not sure if that was not the case, though I have upgraded to 2289 and have had no problems since.
     
  14. JohnWill

    JohnWill Retired Moderator

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    I'm quite happy with version 8 of True Image, I'm waiting for a real functionality upgrade. :)
     
  15. Elvandil

    Elvandil

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    The one impressive upgrade in 9 is the "snap recovery" feature. You can actually begin working while the restoration is taking place, even on a blank drive, since the OS is restored first and any programs you attempt to run are immediately restored. It really makes downtime just a few seconds as opposed to minutes.

    The "differential backup" option also helps to save space as opposed to the "incremental" one.

    But not all that much is different and if you only make complete backups and downtime of minutes is not a problem, there is no reason to fork out any money.
     
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