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Formatting a previously BitLocked HDD


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4 replies to this topic

#1 provocateur

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Posted 27 November 2017 - 12:38 AM

Hi Guys,  My PC crashed and I want to re-use the BitLocked HDD.  The data on the drive is unimportant as I had a current backup.  Is there any way I can reformat the drive without BitLocker?  I want the drive as a backup unit only, I won't be using it as a boot drive.

Any advice will be appreciated. 

Thanks, Barry



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#2 technonymous

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Posted 27 November 2017 - 01:45 AM

You can do it with a Windows Recover Environment boot disk. Once booted to the cd you go to command prompt and use the diskpart commands.

 

diskpart

list disk

select disk 0 (or select disk 1)

clean



#3 Netdoorz1

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Posted 04 December 2017 - 05:13 AM

If you wipe hard drive without disabling the BitLocker encryption and then install an operating system to the drive that doesn't support or recognize BitLocker, the drive will be locked. So, to prepare the disk for formatting, you should decrypt it in advance via Control Panel. 
 
1. Point to the top right edge of the screen and select "Search" when the Charms bar appears
2. Type "BitLocker" into the search field, and then click the "Settings" tab.
3. Choose "BitLocker Drive Encryption" from the results and click "Turn Off BitLocker."
4. Enter an administrative password, if prompted, and then click "Turn Off BitLocker" again to decrypt the hard drive, USB flash drive or SD card.
 
After decrypt BitLocker encrypted hard drive, USB flash drive or SD card you can format it using Disk management utility or EaseUS partition tool. 
 
1. Type Control Panel in the search box. And click Control Panel.

2. Click Administrative Tools > Computer Management > Disk Management.
3. Right-click on the drive or partition and click on Format.
4. Select the file system and set the cluster size.
5. Click OK to format the BitLocker encrypted disk



#4 sflatechguy

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Posted 17 December 2017 - 09:48 AM

That will work if the user can still boot from the drive. If not, you may have to boot from something like GParted and wipe the drive completely.



#5 JohnC_21

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Posted 18 December 2017 - 11:19 AM

You can do it with a Windows Recover Environment boot disk. Once booted to the cd you go to command prompt and use the diskpart commands.

 

diskpart

list disk

select disk 0 (or select disk 1)

clean

Substituting clean all for clean will zero wipe the drive, not just delete the partition table as the clean command does.

If you wipe hard drive without disabling the BitLocker encryption and then install an operating system to the drive that doesn't support or recognize BitLocker, the drive will be locked. So, to prepare the disk for formatting, you should decrypt it in advance via Control Panel. 

I have never heard of this. Zero wiping a drive or using the clean command would remove BitLocker. Gparted would also work. No need to decrypt first.

https://superuser.com/questions/408809/how-to-format-a-drive-encrypted-with-bitlocker


Edited by JohnC_21, 18 December 2017 - 11:20 AM.





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