Dell Vostro 15 7580 Vostro 15-7580 Owners Manual - Page 80
Security level - Display Port Only, Security level - No Security
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Option Thunderbolt Adapter Configuration USB PowerShare Audio Keyboard Illumination Keyboard Backlight Tmeout on AC 80 System setup Description • Enable External USB Ports All the options are set by default. NOTE: USB keyboard and mouse always work in the BIOS setup irrespective of these settings. Allows you to configure the Thunderbolt adapter security settings within the operating system. The options are: • Enable Thunderbolt Technology Support-Default • Enable Thunderbolt Adapter Boot Support • Enable Thunderbolt Adapter Pre-boot Modules Choose any one option: • Security level - No Security • Security level - User Authorization-Default • Security level - Secure Connect • Security level - Display Port Only This field configures the USB PowerShare feature behavior. This option allows you to charge external devices using the stored system battery power through the USB PowerShare port (disabled by default). • Enable USB PowerShare Allows you to enable or disable the integrated audio controller. By default, the Enable Audio option is selected. The options are: • Enable Microphone • Enable Internal Speaker This option is set by default. This field lets you choose the operating mode of the keyboard illumination feature. The keyboard brightness level can be set from 0% to 100%. The options are: • Disabled • Dim • Bright-Default Allows to define the timeout value for the keyboard backlight when an AC adapter is plugged in the system. The Keyboard Backlight tiemout value is only in effect when the backlight is enabled. • 5 seconds • 10 seconds-Default • 15 seconds • 30 seconds • 1 minute • 5 minutes