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Table 6. Startup menu items (continued)
Menu item
Option Key Display
Boot Device List F12 Option
Boot Order Lock
Restart menu
If you need to close the ThinkPad Setup program and restart the system, select Restart from the ThinkPad
Setup program main menu. The following submenu is displayed:
• Exit Saving Changes: Restart the system after saving the changes.
• Exit Discarding Changes: Restart the system without saving the changes.
• Load Setup Defaults: Load the default setting that was in effect at the time of purchase.
Enable OS Optimized Defaults to meet the Microsoft Windows 8 certification requirements. When you
change this setting, some other settings are changed automatically. The affected settings are CSM
Support, UEFI/Legacy Boot, Secure Boot, and Secure RollBack Prevention.
• Discard Changes: Discard the changes.
• Save Changes: Save the changes.
Updating your system UEFI BIOS
The Unified Extensible Firmware Interface (UEFI) BIOS is a part of the system programs that make up the
basic layer of software built into your computer. The UEFI BIOS translates the instructions from other
software layers.
Your computer system board has a module called EEPROM, also referred to as flash memory. You can
update the UEFI BIOS and the ThinkPad Setup program by starting your computer with a flash update
optical disc or flash update program running in the Windows environment.
In some instances when you add software, hardware, or a device driver, you might be informed that you
need to update your UEFI BIOS in order for the new addition to work properly.
To update your UEFI BIOS, go to the following Web site and follow the instructions on the screen:
http://www.lenovo.com/Drivers
Selection
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
Comments
• Diagnostics: Can perform
necessary testing for critical
devices.
Note: You can also enter Diagnostic
mode by pressing Esc during POST.
If you select Disabled, then the
message "To interrupt normal startup,
press Enter" is not displayed during
the POST.
If you select Enabled, the F12 key
is recognized and the Boot Menu
window is displayed.
If you select Disabled, your computer
will boot using the default priority. If
you select Enabled, your computer
will boot using the priority you have
customized.
.
Chapter 7
Advanced configuration
105
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