Lenovo Portable Computer User Guide

1.Core Multi-Processing: Determine whether the second core is enabled if your Processor is duo core.

2.Num Lock: Select Power-on state for Num Lock. By default, the setting is Off.

3.Plug&Play O/S: Select the operating system installed on your system.

4.USB Legacy Support: This item allows you enable support for USB devices.

5.USB Host Controller: Allow you enable or disable USB Host Controller.

3.2.4 Security menu

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Lenovo Laptop manual Security menu