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Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
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accidentally deleted partition... I need those files

July 4th, 2011, 17:20

I was starting to install windows... I got to the part where you choose the install destination. I accidentally deleted the partition on my external USB disk. Why i forgot to unplug the stupid thing is beyond me. but its done and now it doesn't show up in "My Computer", because it now wants me to re-partition it and format it. But i cant do that because i really need the files that are or were on there.

PLEASE HELP ME!! :(

Re: accidentally deleted partition... I need those files

July 4th, 2011, 18:26

My approach would be:

(a) clone the whole of that USB disk (with the deleted partition) to somewhere else (so you need free space of the whole capacity of your problem disk, unless using compression during cloning), using a raw/whole disk type of cloning utility (not the default settings of Ghost/Acronis etc. as those will try to clone only filesystems, unless the settings are changed).

(b) once you have that backup copy of the problem disk, you can try one of several partition-finding utilities (e.g. testdisk) on that disk, and if they screw up your disk completely (which can happen), then you just restore back from your clone of the problem disk and try a different utility.

Some people may say that taking the initial clone is not needed - but those are the people who haven't seen the "partition-finding" utilities make a complete mess of the disk they have been run on. ;)

As always, DIY has risks (human error, equipment failure, software bug etc. etc.) so you have to recognise your limits and decide for yourself what you are capable of doing, and what risks you are happy taking. Your data, your risk, your choice.

Good luck!

Re: accidentally deleted partition... I need those files

July 4th, 2011, 19:26

Thank you so much! I used testdisk and it worked like a charm.

Thank you again!

Re: accidentally deleted partition... I need those files

July 4th, 2011, 19:50

You're welcome :) That's good news.
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