- Notes, cautions, and warnings
- Working on your computer
- Removing and installing components
- Recommended tools
- Screw size list
- Subscriber Identity Module(SIM) board
- Base cover
- Battery
- Solid State Drive
- Hard drive
- WLAN card
- WWAN card
- Coin-cell battery
- Memory modules
- Keyboard lattice and Keyboard
- Heat sink
- System fan
- Power connector port
- Chasis Frame
- Touchpad
- SmartCard module
- LED board
- Speaker
- Display hinge cover
- Display assembly
- Display bezel
- Display hinges
- Display panel
- Display (eDP) cable
- Camera
- Display back cover assembly
- System board
- Palm rest
- Technology and components
- System specifications
- Technical specifications
- System specifications
- Processor specifications
- Memory specifications
- Storage specifications
- Audio specifications
- Video specifications
- Camera specifications
- Communication specifications
- Port and connector specifications
- Contactless smart card specifications
- Display specifications
- Keyboard specifications
- Touchpad specifications
- Battery specifications
- AC Adapter specifications
- Physical specifications
- Environmental specifications
- Technical specifications
- System setup options
- BIOS overview
- Entering BIOS setup program
- Boot Sequence
- Navigation keys
- One time boot menu
- System Setup overview
- Accessing System Setup
- General screen options
- System Configuration screen options
- Video screen options
- Security screen options
- Secure Boot screen options
- Intel Software Guard Extensions
- Performance screen options
- Power Management screen options
- POST Behavior screen options
- Virtualization support screen options
- Wireless screen options
- Maintenance screen options
- System Log screen options
- Updating the BIOS
- System and setup password
- Clearing CMOS settings
- Clearing BIOS (System Setup) and System passwords
- Software
- Troubleshooting
- Contacting Dell
Latitude 5590 Owners Manual
Secure Boot screen options
- Option
- Description
- Secure Boot Enable
- This option enables or disables the Secure
Boot feature.
- Disabled
- Enabled
Default setting: Enabled.
- Secure Boot Mode
- Allows you to change to Secure Boot operation mode, modifies the behavior of the Secure Boot to allow evaluation or enforcement of UEFI driver signatures. The options are:
- Deployed Mode—Before allowing execution, checks the integrity of UEFI drivers and bootloaders.
- Audit Mode—Performs a signature check but does not block execution of all UEFI drivers and bootloaders.
Default setting: Deployed Mode
- Expert Key Management
- 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
- KEK
- db
- dbx
- 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 that are made are erased and the keys restore to default settings.
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please provide ratings (1-5 stars).
Please select whether the article was helpful or not.
Comments cannot contain these special characters: <>()\