Compaq Computers

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For Compaq computers, master password can be calculated using the "locked code", also know as the password hash or the disable code. How will you get this code? Simply enter wrong password in the locked computer for three (3) times and you shall see the "disable code" or "lock code" like the 5-digit code in this screen shot:

BIOS system disabled

In other older or newer models, the password hash or "disable code" is composed of 10 alphanumeric characters like ACE007O31C.

Get your BIOS password below
Required Information
Enter the hash code, also known as the "lock code", "disable code", or "unlock code" that is displayed on the screen of the locked computer. For alphanumeric codes, make sure that you do not interchange 1 with l or 0 with O.
Enter a valid e-mail address that you have access to. We will send the master password and all unlocking procedures in this email address. We will also contact you should you face problems unlocking the BIOS or HDD password. A valid email address is in the form youremail@example.com.
Security
483569721Click/tap this sequence: 7188