For System Security; Setting Your System Password - Acer Aspire ONE A110 Applications Manual

For system security

You must set your password which is also known as system password. You may
also set your BIOS password to enhance the system protection.
There are 3 levels of password protection you may chose to enable or disable:
Screen saver
•
Sleep mode
•
System power on
•

Setting your system password

1 Click the Settings tab.
2 Click User Password.
3 You will see this dialog. Click on Change Password.
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