Can I run chkdsk on an external drive

  bumpkin 17:48 24 Jan 2015
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Answered

Trying to recover a back up from an external USB drive using Acronis 2014. Acronis cannot read some sectors and suggests using a disk checking utility.

  Fruit Bat /\0/\ 18:26 24 Jan 2015
Answer

what op system?

usually from cmd prompt

chkdsk x: /f/r

where x is the letter of the drive to be checked.

  bumpkin 20:00 24 Jan 2015

XP pro is the O/S, I will try that, thanks. Running it now.

  bumpkin 20:26 24 Jan 2015

CHKDSK running for last 20 mins, now on stage 4 with 2% completed. Is this normal?

  Terry Brown 21:48 24 Jan 2015

You could try a program like recuver (free), this is usually good at recovering lost /corrupted files. You will need a second drive to recover them to (if it manages to find them)

Recuver

  bumpkin 22:01 24 Jan 2015

Finished at last and did find problems which it says it has repaired. I will try Acronis again.

  bumpkin 22:52 24 Jan 2015

Jock1e, I am currently trying to do the recovery so don't want to interrupt it. I also do not know the command to run scannow on an external drive, any help most welcome.

  bumpkin 22:52 24 Jan 2015

Jock1e, I am currently trying to do the recovery so don't want to interrupt it. I also do not know the command to run scannow on an external drive, any help most welcome.

  rdave13 22:59 24 Jan 2015

CHKDSK via USB2 will take time. See what Acronis can wobble up now.

  bumpkin 10:45 25 Jan 2015

"See what Acronis can wobble up now"

It has wobbled up a 55GB clone without showing any error messages this time but I cannot boot from it so I suspect an error when originally creating the back up. Don't know if this is fixable.

  rdave13 10:54 25 Jan 2015

This might help if it's the MBR damaged.

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