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Windows 7: External Hard Drive failure. "Bad disk" after power failure

11 Oct 2014   #1
dime5150

Windows 7 Home 64bit
 
 
External Hard Drive failure. "Bad disk" after power failure

Hi Everyone,

I'm hoping to get some help. I had a power outage while my WD Elements 1.5 TB Hard drive was on. I wasn't accessing it but apparently that was enough.

I had a lot of important data on it but losing hope after unsuccessful attempts to use PhotoRec to get items off it.

It doesn't show as accessible in MyComputer but is detected. I've included what it shows under the "Manage" view of the drive.

I've also tried MiniTool Partition but it doesn't seem to be able to fix the partition. I've also tried Partition Bad Disk and it just shows the whole 1.5 TB drive as one bad block. It won't let me fix it either.

Does anyone have any other bits of advice? I'm at a loss as what to do. It seems the data is not recoverable. I can't figure out how to get it to show or even how to use it again.

Please see attachments.

I'm grateful for any ideas/help please. Thank you.




Attached Thumbnails
External Hard Drive failure. "Bad disk" after power failure-manage.jpg   External Hard Drive failure. "Bad disk" after power failure-hard-drive-minitool-partition.jpg  
My System SpecsSystem Spec
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12 Oct 2014   #2
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Hello dime5150. Welcome to the forum

In PW, did you try "Rebuild MBR"?
My System SpecsSystem Spec
12 Oct 2014   #3
jumanji

Windows 7 Home Premium 32 bit
 
 

Manufacturer's Diagnostic/repair utility : Western Digital Data Life Guard Diagnostic for Windows. WD Support / Downloads / My Cloud Apps + Other Products / Data Lifeguard Diagnostic for Windows

Go ahead and check your hard disk with this utility. If the Short Test fails, then Long Test. If the Long Test also fails, unable to repair then RMA.
My System SpecsSystem Spec
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12 Oct 2014   #4
dime5150

Windows 7 Home 64bit
 
 

TVeblen: Thank you. No I have not tried that yet.

jumanji: Thank you as well for responding. I ran the Data Lifeguard Diagnostic for Windows with the following results:

Short Test: PASS
SMART Status: PASS

Sorry it took so long to respond. Let me know what next steps I should take. Eager to see if I can save the data off the drive!

I should also add that the drive is from 2010 so not under any warranty.
My System SpecsSystem Spec
13 Oct 2014   #5
jumanji

Windows 7 Home Premium 32 bit
 
 

You have to run the Extended Test also to detect and repair the bad sectors if any.

This extended test may take a long time. Do it and let us know the results.

If extended test passes, then post a screenshot of Windows Disk Management as well as Partition Wizard.
My System SpecsSystem Spec
13 Oct 2014   #6
dime5150

Windows 7 Home 64bit
 
 

jumanji: Thanks again.

When trying to run the Extended Test, it states "Too many bad sectors detected." and shows FAIL next to it.

Let me know what next steps I should take thanks!!
My System SpecsSystem Spec
13 Oct 2014   #7
jumanji

Windows 7 Home Premium 32 bit
 
 

When Partition Wizard showed your disk as Read only and Bad Disk, that is what I suspected. When there are too many bad sectors that couldn't be remapped to Reserved sectors which already got exhausted, the drive controller may make it read only.

I am afraid that I cannot suggest any means of data recovery from such an HDD full of bad sectors. You have already tried PhotoRec.

What I am surprised is whether a power failure can damage the HDD like this or it was just a coincidence. I am sending a PM to Anshad Edavana to look into this and see whether he has any ideas on how to go about this. He may take sometime to respond since it is already bed time here.

In the meanwhile you can try to clear the read only attribute by following the methods here, using elevated diskpart.
Change External hard drive from read only back to read & write - Microsoft Community

External Hard Drive Read Only - Trouble Shooting and Solution

I am not sure whether that will work but no harm in trying.

If by chance, the read only attribute gets cleared and you are able to access the drive, post-haste copy whatever data you can to another external. Yep have one ready to do that.

Good luck.
My System SpecsSystem Spec
13 Oct 2014   #8
dime5150

Windows 7 Home 64bit
 
 

Thanks Jumanji. I will try changing it to ready only. I also have an old computer laying around that I may try to install the OS Ubuntu on. People were saying sometimes Ubuntu can read external HD's thought dead.

Hopefully I can get it showing so I can at least get some items off of it. I'll let you know the result and let me know if you have any other ideas.
My System SpecsSystem Spec
13 Oct 2014   #9
Anshad Edavana

Windows 7 Ultimate x64
 
 

Hi

"Too many bad sectors" message by "WD lifeguard Diagnostics" is definitely a bad news . Since the disk is detected as "Not initialized" by "Disk Management", i assume the MBR and partition table are destroyed or in unreadable state so the Ubuntu method is less likely to be succeeded. However there is nothing wrong in trying Linux as it saved my ass several times in similar situations. By the way you don't need to install Linux. You can simply boot Ubuntu as a live disc without installing it to hard drive.

Try Ubuntu before you install it | Ubuntu

If Linux can't identify neither partition table nor a valid file system, i would suggest the below steps.

1. Reboot in to Windows and download trial version of "HDTune Pro" from http://www.hdtune.com/files/hdtunepro_550_trial.exe

2. Connect your external HDD and open "HDtune Pro". Then select the disk in question from the drop down menu ( upper left corner ) and navigate to the "Error Scan" tab. Press the "Start" button and wait patiently until the scan completes.




One the scan is finished, take a screenshot and upload it with next reply.

Take a screen capture (print your screen) - Windows Help
My System SpecsSystem Spec
13 Oct 2014   #10
dime5150

Windows 7 Home 64bit
 
 

I went ahead and tried to display the disks/volumes as instructed to change external to read only. I run into a problem. When I select the appropriate disk (disk 1) which is the external and list volumes, it only shows the boot disk volumes. When I select "detail disk" it just stops diskpart from working and restarts it. I'm not able to change it. See attached screenshots.

I will try the Ubuntu route as well and then if that doesn't work, HDtunepro.

I will then post results. Thank you once again.


Attached Images
External Hard Drive failure. "Bad disk" after power failure-disk-part-1.jpg External Hard Drive failure. "Bad disk" after power failure-disk-part-2.jpg 
My System SpecsSystem Spec
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 External Hard Drive failure. "Bad disk" after power failure




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