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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Dell 3550 owner manual Video