Dell Inspiron 7490 P115G Service Manual page 68

System Configuration
USB/Thunderbolt Configuration
Enable Boot Support
Enable External USB Ports
Enable Thunderbolt Technology Support
Enable Thunderbolt Boot Support
Enable Thunderbolt (and PCIe behind TBT)
pre-boot modules
SATA Operation
Drives
M.2 PCIe SSD-0/SATA-2
SATA-0
Drive Information
Miscellaneous Devices
Enable Camera
Keyboard Illumination
Keyboard Backlight Timeout on AC
Keyboard Backlight Timeout on Battery
Touchscreen
Table 6. System setup options—Video menu
Video
LCD Brightness
Brightness on battery power
Brightness on AC power
EcoPower
68 System setup
Enables or disables booting from USB mass storage devices such as external hard
drive, optical drive, and USB drive.
Enables or disables USB ports to be functional in an operating system environment.
Enables or disables Thunderbolt Technology support.
Enables or disables Thunderbolt boot support.
Enables or disables Thunderbolt pre-boot modules.
Configures operating mode of the integrated SATA hard drive controller.
Default: RAID. SATA is configured to support RAID (Intel Rapid Restore Technology).
Enables or disables various onboard drives.
Default: ON.
Default: ON.
Displays the information of various onboard drives.
Enables or disables various onboard devices.
Enables or disables the camera.
Default: ON.
Configures the operating mode of the keyboard illumination feature.
Default: Disabled. The keyboard illumination will always be off.
Configures the timeout value for the keyboard when an AC adapter is connected to
the computer. The keyboard backlight timeout value is only effect when the backlight
is enabled.
Default: 10 seconds.
Configures the timeout value for the keyboard when the computer is running on
battery. The keyboard backlight timeout value is only effect when the backlight is
enabled.
Default: 10 seconds.
Enables or disables the touchscreen for the operating system.
NOTE: Touchscreen will always work in the BIOS setup irrespective of
this setting.
Default: ON.
Sets the screen brightness when the computer is running on battery power.
Sets the screen brightness when the computer is running on AC power.
Enables or disables EcoPower which increases the battery life by reducing the screen
brightness when appropriate.
Default: ON.