Windows 10: Unlock drive prompt on drive that wasn't encrypted

I have an external hard drive, with a USB 3.0 interface that I have been using for a while, but I never encrypted it with Bitlocker, or anything else. All of the sudden every machine I connect it to tells me I need to unlock the drive, then prompts me for a USB key.Again, I must emphasize, I have never encrypted this drive. The drive never leaves my possession.So, the question I have is, is there any other circumstance perhaps drive corruption which would cause the "Unlock this drive" prompt to come up?Thank you.Tim David

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Bitlocker encrypted drive not prompting for password

I have a bitlocker encrypted file named myfile.vhd. On my PC when I double click it, it warns that it's encrypted, then prompts for a password. I copied the file to my wife's computer and when I double click it, or right click and select "Mount" from the
context menu a dialog box states:

"This drive is locked by bitlocker drive encryption. To open the drive, you need to unlock it first"

The only way I can unlock it on my wife's computer is through the control panel, which does unlock it.

Is there any way I can configure my wife's computer to prompt for a password when I double click the myfile.vhd file?

-Thanks

 

Can't unlock Bitlocker Encrypted Drive

I have a Bitlocker encrypted external HDD without any OS installed in it. I plugged it to pc with usb then i unlocked my drive on Win10 with my password as usual then i was copying the data from my unlocked
Bitlocker encrypted drive to another non-encrypted drive. Then power cut suddenly. After that i can't access my Bitlocker encrypted drive anymore.

-When i try to unlock that drive from Windows Explorer pop-up says "Encryption on this drive is not compatible with your Windows. Try to unlock it with newer version of Windows." without password and recoverypassword/recoverykey
input options. But my Win10 is fully updated (1703)

-Tried Win7 popup came without asking any password "Failed to unlock the drive. No protector keys found in this drive."

-I also tried manage-bde -bitlockerdrive -protectors -get the output is "ERROR: No key protectors found". But drive seems like encrypted already.

-I tried repair-bde with 48 digits recovery password for recovering data to another HDD. Recovery done without any errors. Then did "chkdsk
outputdrive: /f" it says "File system is NTFS. The first NTFS boot sector is unreadable or corrupt. Reading second NTFS boot sector instead. Unable to determine volume version and state. CHKDSK aborted." The disk shown as RAW and i can't access it.

-After that i also tried thirdparty recovery tools for recovering data on the drive that created after repair-bde (decrypted RAW one). I recovered all my files without any corruption. But all of them shown
as RAW files and had randomized names without folder structure. Somehow repair-bde can't transfer folder structure. I tried thirdparty recovery tools on unaccessable Bitlocker encrypted drive. It listed all my files with correct file names and folders. So
folder structure on encrypted drive is not corrupted i think but i can't recover them because they are encrypted and i can't open any file. I need folder structure, my files are too dispersed. What is the solution ? Thanks.

 

Unlock Bitlocker encrypted fixed drive in Standard user account

I have encrypted my fixed drive(non-OS drive) using manage-bde (with autounlock enabled) from Admin User account. After encryption is complete, then i switch user account to standard user account. But my fixed drive is still locked. Can you suggest why this
is happening and how can I make fixed drive unlocked for Standard User account.

Any reply would be of great help.

Thanks