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Hitachi hard drive locked HTS543216L9Slock message. How do I unlock?

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Posted on Jan 02, 2017



Hello Oldnovii

Yes the BIOS has a hardsrive lock/unlock feature but thats wherethe password needs to be reset. No TOSHIBA did not tell me what the BIOS password was Client had to pay $ 25 to get it removed now they want $ 100 to remove the hard drive lock.

Posted on Apr 13, 2008


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Shows a blue box and says Harddisk security.

You need access to a computer with Internet access so you can download a Hard disk password unlock program.
HARD DRIVE PASSWORD UNLOCKING - Purchase A-FF HDD Unlock Wizard (HDD Password unlocking - Free)

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Hi, I have a locked Hitachi HDD and don't let me to format. Can you help me please?

You can't unlock your hdd at home. Go to a professional, or get the original password, only that way you can unlock it.

Dec 26, 2011 | Hitachi Computers & Internet

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I have a aspire one Acer and when I turn it on it says in a blue box, Harddisk Security and under it says Primary Master Hitachi HTS543216L9SLock. What can I do to restore it?

The drive is locked by a BIOS level Hard drive password. You can either contact Acer about a master password or replace the HDD since the password data is stored on the drive itself

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I want unlock hdd hitachi 1TB, you could hepl me ? thank you

My drive became locked with a password or I forgot my hard drive password. How do I gain access to my data?

Answers from Hitachi : Unfortunately, there is no way to bypass the security password feature of Hitachi hard disk drives. If the password is not known or has been misplaced, Hitachi will not be able to assist in gaining access to the data on the drive.

Reference link.

Nov 21, 2010 | Computers & Internet

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Acer 5315 recon harddisc security password required


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Xbox hardrive unlocking hitachi/ibm

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A good resource for further information are the forums and/or tutorials at

Considering a 1 Terrabyte drive costs just over $100 (and some smaller capacities for less than $50) it may be better just to hang the HD from your Christmas tree as a decoration (or use it as a bookend) and splurge for a new drive. If the time investment is of no concern then the solution offered above should unlock the drive so you can use it.

Hope that helps!

Dec 23, 2008 | Computers & Internet

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please suggest us the solutions of locked 40GB above said hard disk and how to unlock it?

Dec 14, 2008 | Hitachi Travelstar 5K100 HTS541040G9AT00...

3 Answers


Hello Oldnovii
This Toshiba notebook has both a BIOS and hard drive lock on it. The client has already paid $ 25 to the Toshiba depot to have the BIOS lock removed now they want $ 100 to remove the hard drive lock. The hard drive lock cannot be removed by trying to bypass it using a boot cd or disabling the hard drive boot option in the BIOS. Any help will be appreciated since my client has now had the notebook for 2 weeks and cannot use it. Thanks

Apr 07, 2008 | Computers & Internet

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