Chapter 4. Secure Your Computer And Information; Use Uefi/Bios Passwords; Password Types; Set Administrator Password - Lenovo Yoga S940-14IWL User Manual

Chapter 4. Secure your computer and information

Use UEFI/BIOS passwords

This section introduces types of passwords in UEFI (Unified Extensible Firmware Interface) or BIOS (Basic
Input/Output System) and how to set, change, and remove a password.

Password types

You can set various passwords in the UEFI/BIOS setup utility.
Password type Pre-requisite
Administrator No
password
User password The administrator password must be set
Master hard disk No
password
User hard disk The master hard disk password must be set
password
Notes:
• All passwords that can be set in the setup utility consist of alphanumeric characters only.
• If you open the setup utility using the user password, you can change only a few settings.

Set administrator password

You set the administrator password to prevent unauthorized access to the UEFI/BIOS setup utility.
Attention: If you forget the administrator password, a Lenovo authorized service personnel cannot reset
your password. You must take your computer to a Lenovo authorized service personnel or a marketing
representative to have the system board replaced. Proof of purchase is required and a fee will be charged for
parts and service.
Step 1. Open the UEFI/BIOS setup utility.
Select Security ➙ Set Administrator Password and press Enter.
Step 2.
Step 3. Enter a text string that contains only letters and numbers, then press Enter.
Step 4. Enter the text string again and press Enter.
Select Exit ➙ Exit Saving Changes.
Step 5.
Next time you start the computer, you must enter the administrator password to open the setup utility. If
Power on Password is enabled, you must enter the administrator password or the user password to start
the computer.

Change or remove administrator password

Only the administrator can change or remove the administrator password.
© Copyright Lenovo 2019
When set
You must enter it to open the setup utility.
You can use the user password to open the
setup utility.
You must enter it to start the operating
system.
You can use the user hard disk password to
start the operating system.
23