Hard Disk Password

It is not a very well known fact, but all hard disks have a very strong hardware password capability build in. This password is usually stored both in a chip on the HD controller (the printed circuit board on the hard disk) and on the hard disk itself in a special hidden sector.

Setting this password will make the hard disk completely unusable to anyone that doesn’t know it. And not only on your computer, but on any computer.

A lot of newer laptops will set the HD password together with the BIOS password, completely locking all the hardware.

The hard disk manufacturers are unable to unlock a password protected hard disk, as there aren’t any “secret” master passwords build into the firmware. Even swapping the controller of the password-protected hard disk with exactly the same controller from an unprotected HD will not remove the protection on most disks, as the password (together with most of the firmware) is also stored on the hard disk itself.

The only way of retrieving any files from a password protected hard disk without knowing the password is to send it to a data recovery company for unlocking, but not all data recovery companies could or would unlock a password protected HD.

In this time of rising identity theft, protecting your personal data by locking your hard disk with a password is indeed a good idea. The downside is that when the HD eventually malfunctions it will be harder or even impossible to retrieve any files from it. So, the first rule of using a computer applies here in full strength – “Your data is only as good as your latest backup”!


  • #353 by george July 10, 2014 at: 8:19 pm

    i think this might help you guys. try it.


  • #352 by Patrick July 9, 2014 at: 1:40 pm

    I have a Acer Aspire one I meed to unlock for WD3200BPVT-22JJ5. Can any one help Help Hard disk lock me out. Don’t know why or how this came about Patrick

  • #351 by Arun pandian June 29, 2014 at: 10:58 pm

    my government laptop Lenovob460e is lock (HDD lock) so how to solve the problem. plz help me if you know the answer plz send my email zaru…

  • #350 by Arun pandian June 29, 2014 at: 10:40 pm

    my government laptop Lenovob460e is lock (HDD lock) so how to solve the problem. plz help me

  • #349 by tipu June 3, 2014 at: 8:57 pm

    my notbook acer aspir one haddirsk locked healpe me unlocked i dont know lock cord ?

  • #348 by alma May 18, 2014 at: 6:01 pm

    I need help in unlocking my aspire one D255E netbook harddisk. Security SATA Port O. WDC. WD25008EVT-22A23Lock

  • #347 by S Nzama April 23, 2014 at: 12:55 pm

    Sata Port 0 WDC WD3200BPVT – 22ES LOCK. Please help me. All my work is locked in there

  • #346 by S Nzama April 23, 2014 at: 12:47 pm

    Hi my emachines laptop needs an HDD unlock code. Please help. Its a 320 GB HDD

  • #345 by debbie February 10, 2014 at: 7:36 pm

    i do not have a clue how to recover anything, because i am unable to do anything on my computer.

  • #344 by gsm amine January 18, 2014 at: 10:27 am

    help me for hdd locked
    dell latitude 6430u