I have a Lenovo Laptop 3000 N 100 which went bust yesterday, the Motherboard is beyond repairs.
It had a HDD from Seagate with three partitions C, D & E:
Model #: ST9250315AS
Serial # 6VCLC6VH
I used to login the laptop using the BIOS password then onto the Windows XP logon feature.
To my best of knowledge i never created a HDD password in the BIOS, (not that sharp memory now, maybe i might have)
I removed the HDD to transfer the content to another laptop/ desktop / drive / server however I found that it had a password lock, since the password was the same as registered in the BIOS since last few months, I tried but would not open, after 5 attempts it would re-boot.
Some research on the Google came up with ATA password lock.
Proof of owner ship can be provided of the HDD.

Please help

I will admit that I know little about ATA paswords,
BUT, I was interested so take a look at this link:

http://forum.hddguru.com/viewtopic.php?t=12257&start=20
(it was actually the first result in google for ata password search terms)

also this may help:
http://hdd-tools.com/products/rrs/ as was mentioned with a little background here: https://wikis.utexas.edu/display/ISO/Breaking+ATA+password+security

also, when you solve it, please post the method that worked for others help in the future

cheers

HaQue

Sure password is correct?
Also, some passwords can be keyboard specific, such as the keyboard from the original lenovo laptop the drive came out of.

There is a thread here on the forum talking about that if I recall correctly.

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Hard Disk Drive (HDD), Solid State Drive (SSD, SATA, NVMe, etc), USB Flash Drive and RAID Data Recovery Specialist in Massachusetts

Some laptops hash the password before setting it, so password you set through the laptop BIOS is different to actual password on the HDD

I'm not sure if it will work, but try ZU:
http://malthus.zapto.org/viewtopic.php? ... 166&p=1465

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A backup a day keeps DR away.