Dell Inspiron 5391, Service Manual

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System Configuration
Keyboard Backlight Timeout on Battery 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.
Touchscreen Enables or disables the touchscreen for the operating system.
NOTE: Touchscreen will always work in the BIOS setup irrespective of
this setting.
Default: ON.
Table 5. System setup options—Video menu
Video
LCD Brightness
Brightness on battery power Sets the screen brightness when the computer is running on battery power.
Brightness on AC power Sets the screen brightness when the computer is running on AC power.
EcoPower Enables or disables EcoPower which increases the battery life by reducing the screen
brightness when appropriate.
Default: ON.
Table 6. System setup options—Security menu
Security
Enable Admin Setup Lockout Enables or disables the user from entering BIOS Setup when an Admin Password is
set.
Default: OFF.
Password Bypass Bypass the System (Boot) Password and the internal hard drive password prompts
during a system restart.
Default: Disabled.
Enable Non-Admin Password Changes Enables or disables the user to change the system and hard drive password without
the need for admin password.
Default: ON.
Non-Admin Setup Changes
Allow Wireless Switch Changes Enables or disables changes to the setup option when an Administrator password is
set.
Default: OFF.
Enable UEFI Capsule Firmware Updates Enables or disables BIOS updates through UEFI capsule update packages.
Computrace Enable or disable the BIOS module interface of the optional Computrace(R) Service
from Absolute Software.
Intel Platform Trust Technology On Enables or disables Platform Trust Technology (PTT) visibility to the operating
system.
Default: ON.
PPI Bypass for Clear Commands Enables or disables the operating system to skip BIOS Physical Presence Interface
(PPI) user prompts when issuing the Clear command.
Default: OFF.
Clear Enables or disables the computer to clear the PTT owner information, and returns the
PTT to the default state.
Default: OFF.
70 System setup