Lenovo BIOS Setup Utility Main Devices Advanced Power Security Startup Exit ┌────────────────────────────────────────────────────────┬───────────────────────────────┐ │ │ Help Message │ │ Save Changes and Exit │───────────────────────────────│ │ Discard Changes and Exit │Some settings below are │ │ │changed accordingly. Select │ │ Load Optimal Defaults │"Enabled" to meet Microsoft(R) │ │ OS Optimized Defaults [Disabled] │Windows 8 (R) Certification │ │ │Requirement. │ │ │Affected settings are CSM │ │ │Support, Boot mode, Boot │ │ │Priority, Secure Boot, Secure │ │ │RollBack Prevention. │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ └────────────────────────────────────────────────────────┴───────────────────────────────┘ F1 Help ↑↓ Select Item +/- Change Values F9 Setup Defaults ESC Exit ←→ Select Menu Enter Select►Sub-Menu F10 Save and Exit
Figure 2.5. UEFI firmware Exit tab
Lenovo BIOS Setup Utility Main Devices Advanced Power Security Startup Exit ┌────────────────────────────────────────────────────────┬───────────────────────────────┐ │ │ Help Message │ │ Save Changes and Exit │───────────────────────────────│ │ Discard Changes and Exit │Some settings below are │ │ │changed accordingly. Select │ │ Load Optimal Defaults │"Enabled" to meet Microsoft(R) │ │ OS Optimized Defaults ┌───────────────────────────────────────────┐Certification │ │ │ Attention! │ │ │ ├───────────────────────────────────────────┤ngs are CSM │ │ │ If OS Optimized Defaults is changed to │mode, Boot │ │ │ Enable, some settings including Secure │re Boot, Secure │ │ │ Boot,CSM,IPV4 and IPV6 will be changed. │ntion. │ │ │ Do you really want to continue? │ │ │ │ Select Yes to continue to Enable the OS │ │ │ │ Optimized Defaults. │ │ │ │ Select No to discontinue the operation. │ │ │ │ │ │ │ │ │ │ │ │ [Yes] [No] │ │ │ └───────────────────────────────────────────┘ │ │ │ │ │ │ │ │ │ │ │ │ │ └────────────────────────────────────────────────────────┴───────────────────────────────┘ F1 Help ↑↓ Select Item +/- Change Values F9 Setup Defaults ESC Exit ←→ Select Menu Enter Select►Sub-Menu F10 Save and Exit
Figure 2.6. UEFI firmware confirmation for OS Optimized Defaults