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Windows 7: Partition disappeared

18 Oct 2014   #1
Mister Wolly

Windows 7 x64
 
 
Partition disappeared

Hi all.

I bought a new SSD about 3 months ago, partitioned it no worries. Windows on one, and downloads and games on the other.

All of a sudden, the Steam and downloads partition has disappeared. dskmgnt can see it, but it says failed. I have tried to 'reactivate volume' but it does nothing.
Mini Disk partition wizard can see the partition also, but attempting to recover it will wipe all my steam data.

Are there any other tools I can use to try to recover this partition?

Thanks.




Attached Thumbnails
Partition disappeared-nosteam.gif  
My System SpecsSystem Spec
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18 Oct 2014   #2
Berton

Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP
 
 

That may not be a partition but 2 partitions, usually means the HDD has failed. And it looks like it was a 500GB HDD. The image shows 3 HDDs with 3 partitions on the first and 2 partitions on each of the other HDDs.
My System SpecsSystem Spec
18 Oct 2014   #3
Mister Wolly

Windows 7 x64
 
 

Hi Berton

Thanks for your reply. The 500g drive was not plugged in correctly, it has been now and I can see that fine.

The steam partition is still missing. I have a 256g drive that I split in half. I then installed windows on one half, and steam and games on the other. Its the steam partition thats missing. The drive I spose is fine as I am talking to you through windows which is on that drive.....
My System SpecsSystem Spec
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18 Oct 2014   #4
gregrocker

 

Looks like someone converted Disks 1 and 2 to Dynamic disks which are meant only to span a partition across multiple HD's. Normally this happens only after a warning is given that one is about to exceed four Primary partitions which will convert the disk to Dynamic. Otherwise someone had to go out of their way to convert to Dynamic as it cannot be done accidentally.

The only way to convert back to Basic disk without destroying data is by performing Option 1 in Convert a Dynamic Disk to a Basic Disk using Partition Wizard's last version which offers conversion for free. Any other method will destroy the data so follow the steps closely, first for Disk1.

Once Disk 1 is recovered you can attempt to convert Disk2. If it fails after several attempts with PW you can try one of the other methods to see if it will both convert and recover. If not I would test the drive's condition using maker's HD Diagnostic followed by Disk Check. Report back results.
My System SpecsSystem Spec
19 Oct 2014   #5
Mister Wolly

Windows 7 x64
 
 

Well, Im not sure why, but a re jiggle on the cables, IE making all the IDE HDD's on one channel and all the SSD's on the other channel, seemed to have fixed the missing partitions.

Another question though, how can I make the smaller partitions join the larger ones having one big one?
My System SpecsSystem Spec
19 Oct 2014   #6
gregrocker

 

Please post back another screenshot of Disk Management - Post a Screen Capture Image.

If the disks are still Dynamic they need to be converted back to Basic immediately. I already explained that Dynamic disks are only to be used to bridge one partition across multiple hard drives.
My System SpecsSystem Spec
19 Oct 2014   #7
Mister Wolly

Windows 7 x64
 
 

Ok Greg.

Once I have copied the data across, I will convert the dick to basic. I will post a screenshot after this is complete.
My System SpecsSystem Spec
19 Oct 2014   #8
gregrocker

 

Tell us what you want to change.

You should back up your data from the failing disk asap too.
My System SpecsSystem Spec
19 Oct 2014   #9
Mister Wolly

Windows 7 x64
 
 

Greg.

Is the disk failing? should I make a backup now?


Attached Thumbnails
Partition disappeared-heapsbetter.gif  
My System SpecsSystem Spec
19 Oct 2014   #10
gregrocker

 

Do you know how the disk had been converted to Dynamic? Are you just randomly playing with settings without concern for how close you came to losing everything?

Now you have a bunch of new disks thrown in. It looks correct but you must never have the Active flag on any but the System drive, so remove it from I now: Partition - Mark as Inactive - Windows 7 Forums

If you're worried about the disk that said it failed when it was converted to Dynamic then test it with the maker's HD Diagnostic CD scan, followed by a full Disk Check. This will tell you the certain condition of the drive.
My System SpecsSystem Spec
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