Dell Vostro 14-3459 Owner's Manual page 34

Option
Audio
Miscellaneous Devices
Table 4. Video
Option
LCD Brightness
Switchable Graphics
Table 5. Security
Option
Admin Password
System Password
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Description
NOTE: USB keyboard and mouse always work in the BIOS setup
irrespective of these settings.
This field enables or disables the integrated audio controller. By default,
the Enable Audio option is selected.
Allows you to enable or disable the following devices:
• Enable Microphone
• Enable Camera
• Enable Media Card
• Disable Media Card
NOTE: All devices are enabled by default.
You can also enable or disable Media Card.
Description
Allows you to set the display brightness depending up on the power
source (On Battery and On AC).
NOTE: The Video setting will only be visible when a video card is
installed into the system.
This option enables or disables switchable graphics technologies. Allows
you to set the display brightness depending up on the power source (On
Battery and On AC).
NOTE: It should only be enabled for Windows 7 and later version of
Windows or the Ubuntu OS.
Description
Allows you to set, change, or delete the administrator (admin) password.
NOTE: You must set the admin password before you set the system
or hard drive password. Deleting the admin password automatically
deletes the system password and the hard drive password.
NOTE: Successful password changes take effect immediately.
Default Setting: Not set
Allows you to set, change or delete the system password.
NOTE: Successful password changes take effect immediately.
Default Setting: Not set