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Windows 7: My External HHD won't recognize my data!

30 Dec 2011   #1
DaYiM

Windows 7, 64Bit
 
 
My External HHD won't recognize my data!

Hello,
i have 1TB external HHD, it's been long time sense i last connected it
to the computer, but when i did i noticed this in my computer:-

Drive O, also when i checked the Disk Management i have found
that it says it's only 500GB not 1TB!!!

is there away to fix this issue without formatting the HHD?
PS: i checked my cable it's working with other HHD.
thanks & best regards.


My System SpecsSystem Spec
30 Dec 2011   #2
lehnerus2000

Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)
 
 
Error Checking

Have you tried running Check Disk (Error checking)?
  • Right click on your HDD icon.
  • Select "Properties"
  • Click on the "Tools" tab
Name:  Check Disk.png
Views: 2284
Size:  34.8 KB Name:  Check Disk 2.png
Views: 2283
Size:  24.1 KB


My System SpecsSystem Spec
30 Dec 2011   #3
DaYiM

Windows 7, 64Bit
 
 

thanks, but sense i plug it in again to the computer; it's whole another problem;
the HHD doesn't show up in my computer, & in Disk Management:-
it doesn't show in the list, but only down ( with the blue lines ),
here when ever i right click & choose Properties Or Change Drive Letter.....:
gives me this error:

i have tried everything in this error note to solve this problem,
but it keeps coming up! also the HHD is back to 1TB capacity!
Please HELP!
My System SpecsSystem Spec
30 Dec 2011   #4
lehnerus2000

Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)
 
 

Quote   Quote: Originally Posted by DaYiM View Post
thanks, but sense i plug it in again to the computer; it's whole another problem;
the HHD doesn't show up in my computer, & in Disk Management:-
it doesn't show in the list, but only down ( with the blue lines ),
here when ever i right click & choose Properties Or Change Drive Letter.....:
gives me this error:

i have tried everything in this error note to solve this problem,
but it keeps coming up! also the HHD is back to 1TB capacity!
Please HELP!
The "Disk Management" picture says the the filesystem is "RAW" (instead of NTFS or FAT32).
This indicates that the
filesystem is damaged (there maybe bad sectors on the HDD).

It also shows that drive is "Active".
Only your boot drive should have an "Active" partition.

I don't think that Windows
"Disk Management" can remove "Active" from it.
I don't see any option when I check my
"Active" partition (I guess that reformatting it would do it).

If the HDD reappears in "Disk Management":
  • Right click on your external HDD partition.
  • Select "Properties"
  • Click on the "Tools" tab
  • Click on "Error checking".
It probably won't work though.

If it does work and the HDD starts functioning again, copy your files off it to somewhere else.
I wouldn't trust the external HDD with any important data, since it appears to have become twitchy.


Unless someone else has an idea, my suggestion would be use a Linux Live CD.

Can you get access to a Live Linux CD (e.g. Ubuntu)?
If so, see if you can view your HDD contents.
If you can, copy the files to a new location.

Once you have done that you can try using "Gparted" (a Linux Disk Manager):
  • To check the disk.
  • To remove the "Active" flag (from the external HDD. Don't remove it from your Windows partition).
  • To reformat the disk (worst case).
-gparted.jpg -gparted2.png
Note: these screenshots are from a Ubuntu 10.04 VM with one drive, so not all of the options are available.
I wouldn't trust the external HDD with any important data, since it appears to have become twitchy.


My System SpecsSystem Spec
31 Dec 2011   #5
DaYiM

Windows 7, 64Bit
 
 

Thaaaaaaaaaaaaaanks a lot,
i used your idea ( but with mac ), & it worked.
Question: sense my very lack of knowledge in Mac, i well use
Windows to format the HHD ( after i transfer my date ),
Do you think it's safe to keep using it after the format?
Or do i buy new one to make sure anything else doesn't happen again?
My System SpecsSystem Spec
31 Dec 2011   #6
lehnerus2000

Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)
 
 
No problems

Quote   Quote: Originally Posted by DaYiM View Post
Thaaaaaaaaaaaaaanks a lot,
i used your idea ( but with mac ), & it worked.
Question: sense my very lack of knowledge in Mac, i well use
Windows to format the HHD ( after i transfer my date ),
Do you think it's safe to keep using it after the format?
Or do i buy new one to make sure anything else doesn't happen again?
Can I ask which idea you used?

I wouldn't keep anything important on it.
I would only use it to transfer files (unimportant ones) between computers.

It may work properly (for a long time) but I would seriously consider buying a new drive to use for important files.


If you think that your problem is fixed, you should click the "Mark as Solved" button (see pictures below).
The first option requires you to leave a message.
The second option is the preferred method.

Quote   Quote: Originally Posted by lehnerus2000 View Post
Maybe these pictures will help.

Any post in this thread
(when you are logged in, you should choose one of your own though).




Your original post should show the buttons in the red boxes (when you are logged in).



Quote   Quote: Originally Posted by seavixen32 View Post
Scroll through to the end of the thread where you should see a green 'Thread Resolved' button.
Thanks seavixen32.
My System SpecsSystem Spec
31 Dec 2011   #7
DaYiM

Windows 7, 64Bit
 
 

thanks.
that i connected my external to Mac & copied all the files.
My System SpecsSystem Spec
31 Dec 2011   #8
lehnerus2000

Windows 7 Ultimate SP1 (64 bit), Linux Mint 17.1 MATE (64 bit)
 
 
Thanks

I'm glad it worked out alright in the end.
My System SpecsSystem Spec
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 My External HHD won't recognize my data!




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