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888 posts

Ultimate Geek
+1 received by user: 30


Topic # 111638 9-Nov-2012 20:49 Send private message

This morning, out of the blue, I had a computer that would not boot, simply stopped doing anything after the POST screen.Checked all cables, power etc, and could boot from CD drive/disk, so that meant drive was at fault, either mechanically or software.

Connected drive externally to another computer and could see the drive but not do anything with it .... error message was "F:/ is not accessible. The file or directory is corrupted and unreadable".

Ran Check Disk and it immediately started finding a number of errors and correcting them. When finished, I could access the drive as normal. To be completely 'restored', ran all 5 phases of XP's Error Checking, invoking 'fix file system' and 'recover bad sectors' .... took about three hours.

Reinstalled drive and it's running fine.

Can any body offer reason/s why such a major corruption may have happend in the first place? The drive is 4 years old.

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  Reply # 714922 9-Nov-2012 21:17 Send private message

Turned off rather than shut down is the usual cause of it.

Did it find any bad sectors when it scanned for them?




Richard rich.ms

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  Reply # 715040 10-Nov-2012 08:58 Send private message

Use a proper tool that interacts with the drives SMART information, probably developed a bad sector in the MFT or something.



888 posts

Ultimate Geek
+1 received by user: 30


  Reply # 715056 10-Nov-2012 10:25 Send private message

richms: The Chkdsk log runs to 12 pages, with most lines reporting stuff like -

Deleted corrupt attribute list entry
Unable to locate attribute with instance tag 0x4 and segment
Deleting orphan file record segment
Deleting an index entry from index
Correcting error in index
Recovering orphaned file

Thank heavens or God Gates for DOS commands!

Lias: SeaTools doesn't report anything wrong with the drive itself.

R.

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