Dell Latitude 3450 Dell Owners Manual - Page 45

Option, Description, Enable Audio, source On Battery and On AC. - not turning on

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Option Audio Keyboard Illumination 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. This field lets you choose the operating mode of the keyboard illumination feature. The keyboard brightness level can be set from 0% to 100% • Disabled • Dim • Bright This option is disabled by default. Keyboard Backlight with AC The Keyboard Backlight with AC option does not affect the main keyboard illumination feature. Keyboard Illumination will continue to support the various illumination levels. This field has an effect when the backlight is enabled. • Keyboard Backlight with AC This option is disabled by default. Unobtrusive Mode Miscellaneous Devices This option, when enabled, pressing Fn+F7 turns off all light and sound emissions in the system. To resume normal operation, press Fn+F7 again. This option is disabled by default. 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. Table 4. Video Option LCD Brightness 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. 45

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Option
Description
NOTE:
USB keyboard and mouse always work in the BIOS setup
irrespective of these settings.
Audio
This field enables or disables the integrated audio controller. By default,
the
Enable Audio
option is selected.
Keyboard Illumination
This field lets you choose the operating mode of the keyboard
illumination feature.
The keyboard brightness level can be set from 0% to 100%
Disabled
Dim
Bright
This option is disabled by default.
Keyboard Backlight with AC
The Keyboard Backlight with AC option does not affect the main
keyboard illumination feature. Keyboard Illumination will continue to
support the various illumination levels. This field has an effect when the
backlight is enabled.
Keyboard Backlight with AC
This option is disabled by default.
Unobtrusive Mode
This option, when enabled, pressing Fn+F7 turns off all light and sound
emissions in the system. To resume normal operation, press Fn+F7
again. This option is disabled by default.
Miscellaneous Devices
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.
Table 4. Video
Option
Description
LCD Brightness
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.
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