Lenovo ThinkPad Yoga 14 (English) User Guide - ThinkPad Yoga 14 - Page 88
Startup menu, Startup, Attention, boldface
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Table 5. Security menu items (continued) Menu item Submenu item Platform Mode Secure Boot Mode Reset to Setup Mode Restore Factory keys Selection • User Mode • Setup Mode • Standard Mode • Custom Mode • Yes • No • Yes • No Comments Specify the system operating mode. Specify the Secure Boot mode. This option is used to clear the current platform key and put the system into setup mode. You can install your own platform key and customize the Secure Boot signature databases in setup mode. Secure Boot mode will be set to custom mode. This option is used to restore all keys and certificates in Secure Boot databases to factory defaults. Any customized Secure Boot settings will be erased, and the default platform key will be re-established along with the original signature databases including certificate for Windows 8.1 operating system. Startup menu To change the startup settings of your computer, select the Startup tab from the ThinkPad Setup menu. Attention: • After you change the startup sequence, ensure that you select a correct device during a copy, a save, or a format operation. Otherwise your data might be erased or overwritten. • If you are using the BitLocker drive encryption, do not change the startup sequence. BitLocker drive encryption locks the computer from starting once detects the change of startup sequence. To change the startup sequence temporarily so that the computer starts from a desired drive, do the following: 1. Restart the computer. When the ThinkPad logo is displayed, press F12. 2. Select the device that you want the computer to start from. Note: The Boot menu will be displayed if the computer cannot start from any devices, or the operating system cannot be found. The following table lists the Startup menu items. Default values are in boldface. Note: Some items are displayed on the menu only if the computer supports the corresponding features. 72 User Guide