Although the BIOS password hack worked on the ancient Dell Latitude D266XT, this method may not work for modern laptops, because the serial flash memory chip will have internal protection.
Some of the modern laptops use a special technology where the IC stores the information in encrypted format. In addition, manufacturers often leave the IC unmarked with a group of other similar looking chips.
On modern laptops, BIOS password removal is tough to near impossible because even the data stored on the hard drive has encryption, and without the password, you cannot access it. If you have a modern laptop without a password, the best place is to take it to the manufacturers for data recovery.
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This Article Continues...BIOS Password Removal
How BIOS Password Removal Works
Serial Flash Memory Chip
BIOS Password Removal - Dell Latitude