Hard drive not showing up in explorer but does in computer management

[VirtualLarry]

I'm not all that familiar with bitlocker, but with truecrypt, when you encrypt a device, it encrypts the partition table too.

 

[_Rick_]

I'm not all that familiar with bitlocker, but with truecrypt, when you encrypt a device, it encrypts the partition table too.

But even then there might well be a non-encrypted header on the disk, to identify the encryption type (cipher, blocksize, etc.)