I screwed up my media hard drive...i think...

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Ok, so i bought a 300GB HDD from OcUK a few months back, along with an IcyBox USB2/Firewire enclosure. I use it as a media drive, so it contains all my music and videos and photographs etc. Every computer I've connected it to, even though running Windows XP, hasn't automatically shown it as a hard drive in My Computer. So I've always had to go into Disk Management (Via Control Panel / Computer Management / Disk Management) and find the drive. On one computer I had to just once click and make the drive 'online', on another I had to make it into a 'dynamic' drive every time I started the computer. But then this latest time, on yet another computer, the only available option was to convert it from whatever it was to a 'Basic' drive. Not really knowing if that was what i'd clicked the previous times, I went ahead and clicked it. Bad idea, i think.

It then showed up as one big empty hard drive, unpartitioned, even though I'm fully aware I had about 2/3rds of it used with media and stuff. I tried to create a partition (without formatting) to see if it would then be able to find the files, no luck. I ran a few different data recovery programs on it, all to no avail. I even tried to 'undelete' a partition to see if that would find anything, but it didn't. It's now in a computer tech lab and they've said they can't even access it, and are going to have to format it completely, and THEN try and recover some of the data, but still it's not looking promising.

Has anyone ever had any experience with basic/dynamic drives or with converting from one to the other and then losing all access to the drive? Or was there possibly something inherrantly wrong with the drive to begin with that would stop it from showing up in Windows?
 
If you convert a disk from dynamic to basic, it will wipe the disk completely, it also warns you about this before you do it.

I did this on two of my 120gb drives and learned a valuable lesson never to make them a dynamic disk again as if u have to format or reinstall windows, it does not also recognise the disks....

As for recovery, i recommend ontrack recovery, however it is a very expensive bit of software.
 
Yea, it did indeed warn me, but for some strange reason I figured it'd be okay?! Hahah, I'm crazy. So yea, it's in the lab now and they're scanning it, but it's gonna take a few days before they get anything off I've been told. Does anyone have any experience of data recovery? Like, how much/what can i really expect to get back? Do some filetypes work better than others? Is it a case of 'everything should still be there provided it hasn't been defragged/re-ordered' or am I looking at total data loss?
 
Well so long as the data is physically still there i.e. nothing new has been written to the data part of the hard disk (obviously you rewrote the boot record etc) but as you didn't format it, you'd hope to get about 90% of that back. If any form of formatting etc was done, then this significantly reduces that chance. I'm sure they'll be able to get most of it back for you so long as the obvious wasn't done.
 
Well... *I* didn't format it, but I think they said they were going to format it in the lab, in order to gain access to the drive from where they could then go about recovering the data? Man I hope I haven't lost everything...
 
Any half decent recovery software, like the one i mentioned doesnt need the drive to be formatted in order for it to recover data, that how i got my stuff back off the 120gb drives, boot from cd, as long as the pc can see the drive and you have another drive in order to recover the data to, it shouldnt be a problem....

But i guess if their method has worked before, thats what they will do.
 
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