Dell Latitude 5400 Setup and specifications guide - Page 29
Secure boot
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Table 33. Security (continued) Option Description • Enabled - This option is selected by default. • Disabled • Permanently Disabled OROM Keyboard Access This option determines whether users are able to enter Option ROM configuration screen via hotkeys during boot. • Enabled (default) • Disabled • One Time Enable Admin Setup Lockout Master Password Lockout SMM Security Mitigation Allows you to prevent users from entering Setup when Admin password is set. This option is not set by default. Allows you to disable master password support Hard Disk passwords need to be cleared before the settings can be changed. This option is not set by default. Allows you to enable or disable additional UEFI SMM Security Mitigation protections. This option is not set by default. Secure boot Table 34. Secure Boot Option Secure Boot Enable Secure Boot Mode Expert key Management Description Allows you to enable or disable Secure Boot feature • Secure Boot Enable Option is not selected. Allows you to modify the behavior of Secure Boot to allow evaluation or enforcement of UEFI driver signatures. • Deployed Mode (default) • Audit Mode Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom Mode option is disabled by default. The options are: • PK (default) • KEK • db • dbx If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are: • Save to File- Saves the key to a user-selected file • Replace from File- Replaces the current key with a key from a user-selected file • Append from File- Adds a key to the current database from a user-selected file • Delete- Deletes the selected key • Reset All Keys- Resets to default setting • Delete All Keys- Deletes all the keys NOTE: If you disable the Custom Mode, all the changes made will be erased and the keys will restore to default settings. System setup 29