Lenovo ThinkPad L520 (English) User Guide - Page 90

disk password, which can be from one to twelve alphanumeric characters in any combination. For details, refer to "Using Passphrase" on page 68. • You can set the minimum length of a hard disk password in the BIOS Setup Utility menu. For details, refer to "Security menu" on page 139. • If you set a hard disk password of over seven characters, the hard disk drive can be used only with a computer that can recognize a hard disk password of over seven characters. If you then install the hard disk drive in a computer that cannot recognize a hard disk password that contains more than seven characters, you cannot get access to the drive. 11. Press Enter once to move to the next line. Retype the password you just entered to verify it. Go to step 18 to complete the procedure. 12. If you select User + Master, a message window opens and prompts you to set up a user hard disk password first. Click Continue. 13. A new hard disk user password window opens. Type your new password in the Enter New Password field. 14. Press Enter once to move to the next line. Retype the password you just entered to verify it. 15. A message window opens and prompts you to set the master hard disk password. Click Continue. 16. A new master hard-disk password window opens. Type your new password in the Enter New Password field. 17. Press Enter once to move to the next line. Retype the password you just entered to verify it. 18. Commit your password to memory and press Enter. A Setup Notice window is displayed. Attention: You might want to note your passwords and keep them in a safe place. Otherwise, if you forget the user-only password, or both user and master passwords, Lenovo cannot reset your passwords or recover data from the hard disk. You must take your computer to a Lenovo reseller or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service. 19. Press F10 to exit from the Setup Notice window. The next time you turn on your computer, you will have to type the user or master hard disk password in order to start your computer and get access to your operating system. Changing or removing a hard disk password If the Passphrase function is enabled on your computer, and you set the hard disk password, and then remove the hard disk drive from your computer and install it on a computer that has the Passphrase function disabled, you will not be able to change the hard disk password on that computer. If you need to change the hard disk password, remove the hard disk drive, remove the power-on and supervisor passwords if they have been set on that computer, disable the Passphrase function, and then reinstall the hard disk drive. Refer to "Using Passphrase" on page 68. If the Passphrase function is disabled on your computer, and you set the hard disk password, and then remove the hard disk drive from your computer and install it on a computer that has the Passphrase function enabled, you will not be able to change the hard disk password on that computer. If you need to change the hard disk password, remove the hard disk drive, remove the power-on and supervisor passwords if they have been set on that computer, disable the Passphrase function, and then reinstall the hard disk drive. Refer to "Using Passphrase" on page 68. Follow steps 1 through 7 in Setting a hard disk password above, typing your password to get access to the BIOS Setup Utility program. To change or remove the User only hard disk password, do as follows: 72 User Guide