Laptop PC Easy Guide V2020
Security functions 
36   A26391-V2020-Z120-1-7619, edition 1 
Password protection of operating system 
i
With the supervisor password or the user password, you have assigned in the BIOS 
Setup Utility (see "Setting a supervisor password" section), you can also prevent booting 
of the operating system. 
Activating system protection 
► Enter the BIOS Setup Utility and go to the Security menu. 
► Select the 
Password Check option. 
► Select the 
Always option. 
► Select the 
Save Changes and Exit option under Exit. 
Your notebook will now restart and you are asked to enter your password (the supervisor password). 
Deactivating system protection 
► Enter the BIOS Setup Utility and go to the Security menu. 
► Select the 
Password Check option. 
► Select the 
Setup option. 
► Select the 
Save Changes and Exit option under Exit. 
►  Press the Enter key. 
The notebook reboots and there is no longer any password protection for the operating system. 










