The first step in hacking a password is to determine what type of password has been set. There are several places a password can be set: The BIOS (power on password), a supervisor (administrative) password [eeprom storage], a hard drive (HDD) password, and a operating system password (frequently called the Administrator's password, though it can be on any user account).
Some of these password hacking apps are on UBCD. http://www.ultimatebootcd.com/
Must be able to boot from a disk/drive.
Warning: If the password protected system used EPS encrypted files, dropping the password can destroy access to these files.
[easy; just resets password to none; floppy image too]http://ophcrack.sourceforge.net/
-- http://lifehacker.com/software/password ... 232963.php
-- http://pcsupport.about.com/b/2008/06/12 ... swords.htmhttp://www.pcworld.com/article/150749/n ... 3995486:z0http://pubs.logicalexpressions.com/Pub0 ... asp?ID=305http://www.petri.co.il/forgot_administr ... ssword.htmhttp://forum.scottmueller.com/viewtopic ... imate#p513http://pcsupport.about.com/od/toolsofth ... covery.htmhttp://pcsupport.about.com/od/toolsofth ... ry-faq.htmhttp://alieneyes.wordpress.com/2006/07/ ... assword-2/
* KillCMOS: Erases CMOS memory contents. Useful when someone sets up a setup password and you don't know what it is. Note: since the purpose of this software is to erase CMOS memory contents, some antivirus programs will detect it as a virus. This file isn't infected. http://users.powernet.co.uk/sysserv1/killcmos.zip
BIOS (same as CMOS)http://www.cgsecurity.org/wiki/CmosPwdhttp://www.answersthatwork.com/Download ... d_BIOS.pdfhttp://xtreview.com/review113.htmhttp://www.tech-faq.com/reset-dell-bios-password.html
--- Found on The UBCD. http://www.ultimatebootcd.com/http://www.passwordmethod.com/content/view/106/27/
Cracking Service (Pay)
A low cost method to have the current password revealed without any danger of damaging files is: http://www.loginrecovery.com/http://www.nortek.on.ca/Password
Removal/PasswordFAQ.aspx (the below is adapted from)
What is a Windows Password?
What is a Power On Password?
The Power On Password protects your computer from being used by unauthorized persons. If a Power On Password is set, the password prompt will appear on the screen whenever you turn on the computer. If you have forgotten this password, you can remove the CMOS battery and reset back to defaults.
What is a Hard Disk Password?
The Hard Disk Password helps you protect the information stored on your hard drive. If you have a Hard Disk Password, a password prompt (usually an image of a lock and cylinder) will appear on the screen as soon as you turn on the computer. The Hard Disk Password is stored on the drive in a location inaccessible to the user and cannot be removed or bypassed if unknown. Professional services can unlock the drive for $500 or more. If you received a used laptop just buy a new HDD and either use a recovery disk or an OS that matches the OS product key located on the laptop, or install a new OS of your choice.
What is a Supervisor Password?
The Supervisor Password (sometimes referred to as an Administrator Password) helps protect system setup information. This password secures the system's BIOS settings (Easy Setup), prohibits hardware modification, and stops the computer after a POST error to restrict access to system information. This password will usually remain undetected until BIOS access is attempted or there is a hardware change. This password prompt will appear (usually an image of a lock with a disk beside it) on startup, after a change has been made or if access to the BIOS settings is attempted. Please note that in some cases, a Supervisor Password automatically activates the Hard Disk Password when set by the user. Both passwords are inaccessible to the user and cannot be removed without knowing them. Professional removal service.
I have never been prompted before, why does my IBM ThinkPad™ ask me for a password now?
If a ThinkPad Supervisor Password has been set, the system will typically boot without prompting the user for a password. The password will usually remain undetected to the user until there is physical change in hardware (e.g. replacement of/upgrading the HDD), and/or a BIOS setup parameter has changed (e.g.. change date/time). Once a change is made or attempted, the user will be prompted for the Supervisor Password. Please note that in some cases, a system Supervisor Password automatically activates the Hard Disk Password when initially set by the user. Both passwords are inaccessible to the user and cannot be removed without knowing them.
I have purchased a used hard disk drive that is password protected...
A locked hard disk drive cannot be accessed, on any system, if the password is unknown. The Hard Disk Password is stored in an area inaccessible to the user.
The passworded (locked) HDD is probably toast, but it might be fun to try and see if Secure Erase can wipe the contents clean with some of its command line options. http://cmrr.ucsd.edu/people/Hughes/SecureErase.shtml