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Windows 7: Windows lost partition letter and don't recognize format partition


27 Nov 2011   #1

Windows 7 Home Premium 64 bit
 
 
Windows lost partition letter and don't recognize format partition

Hi,

I have a question.

I formatted a partition of my harddrive but in the end not only a partition was formatted but the next partition also was gone.

Meaning: the data is still there, but the NTFS partition isn't recognised anymore by Windows, and in diskmanager the space is now ready to assign new partition.

In a data recovery software, I saw the not recognised partition was still recognised as 'NTFS'.

What can I do?

The best scenario would be to simply tell Windows somehow, there is partition with NTFS and it should assign a letter to it.


My System SpecsSystem Spec
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27 Nov 2011   #3

Windows 7 Home Premium 64 bit
 
 

Sure
My System SpecsSystem Spec
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27 Nov 2011   #4

Windows 7 Home Premium 64 bit
 
 

Sure, (it's in dutch however).
My System SpecsSystem Spec
27 Nov 2011   #5

Windows 7 Home Premium 64 bit
 
 

Sure, (it's in dutch however).

I formatted partition F. Then I lost my partition D (the partition of 320 Gb): No partition letter, not recognisation anymore of format.
My System SpecsSystem Spec
27 Nov 2011   #6

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Boot into "recovery environment" so F8 on boot and select "repair computer". After that select "command prompt".
DISKPART
SELECT DISK 0
LIST PART

Is ghost partition visible? Please post output
(I live in The Neteherlands as well)
My System SpecsSystem Spec
27 Nov 2011   #7

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

The recovery software you used showed it still as NTFS??? Sure it was just a simple ntfs partion. Or was it hidden, deleted or whatever?
My System SpecsSystem Spec
27 Nov 2011   #8

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Download livecd Partition Wizard Bootable CD allows user to boot computer directly to manage partition.
and burn it to CD. Boot from it.

Does it show the ghost partition? There's also a "recover partition" option or something like that
My System SpecsSystem Spec
27 Nov 2011   #9

Windows 7 Home Premium 64 bit
 
 

This is what I get from using cmd command within Windows
My System SpecsSystem Spec
27 Nov 2011   #10

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote   Quote: Originally Posted by JustBe View Post
Sure, (it's in dutch however).

I formatted partition F. Then I lost my partition D (the partition of 320 Gb): No partition letter, not recognisation anymore of format.
Looking at your screenshot, F: was partition 1, D: was partition 2 of a Logical drive.
Do you have data to save in D:?
My System SpecsSystem Spec
Reply

 Windows lost partition letter and don't recognize format partition




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