Lenovo IdeaPad Y430 - Manual (Page 39)

Chapter 2. Using Your Computer
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Password and type in the correct password. Then press Enter key once
to move to Enter New Password field, type a new supervisor
password in.
3 Press the Enter key once to move to the Confirm New Password field.
Retype the password you just entered to verify it.
4 Commit your password to memory, and press the Enter key.
To remove password, do the following:
1 Select Set Supervisor Password, and press the Enter key.
2 Select Enter Current Password and type in the correct password, and
press the Enter key thrice.
Note:
Make sure the Password on boot is set to Enabled if you need the
password protection at power on.
To set a User Password:
1 Turn on your computer. Press F2, while the initial screen is displayed.
The BIOS Setup Utility screen opens.
2 Select Security, using the cursor directional keys.
3 Select Set User Password, and press the Enter key. The Set User
Password window opens.
4 Choose your user password, which can be from one to eight
alphanumeric characters in any combination. Type it in the Enter New
Password field.