Lenovo ThinkPad T420si (English) User Guide - Page 174

An example of the ThinkPad Setup menu is shown as below: 4. Using the cursor keys, move to an item you want to change. When the item you want is highlighted, press Enter. A submenu is displayed. 5. Change the items you wish to change. To change the value of an item, press +/-. If the item has a submenu, you can display it by pressing Enter. 6. Press Esc to exit from the submenu. 7. If you are in a nested submenu, press Esc repeatedly until you reach the ThinkPad Setup menu. Note: If you need to restore the settings to their original state as of the time of purchase, press F9 to load the default settings. You can also select an option in the Restart submenu to load the default settings or discard the changes. 8. Select Restart. Move the cursor to the option you want for restarting your computer; then press Enter. Your computer restarts. Config menu If you need to change the configuration of your computer, select Config from the UEFI Setup Utility menu. Notes: • The default settings are already optimized for you. If you consider changing the computer configuration, proceed with extreme caution. Setting the configuration incorrectly might cause unexpected results. • In each submenu, press Enter key to show selectable options and select a desired option by using cursor key, or type desired values from the keyboard directly. The following submenu is displayed: • Network: Set the LAN related functions. • USB: Enable or disable USB related functions. • Keyboard/Mouse: Set the keyboard and the mouse related functions. • Display: Specify the settings for display output. • Power: Set power management related functions. • Beep and Alarm: Enable or disable the audio related functions. • Serial ATA (SATA): Specify the settings for the hard disk drive. • CPU: Specify the settings for the CPU. • Intel AMT: Set the Intel AMT Control related functions. 158 User Guide