Dell Latitude 5420 Rugged Setup and Specifications

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Video screen options

Table 1. VideoThe table describes the video configuration options.
Option	Description
LCD Brightness	Allows you to set the display brightness depending upon the power source. On Battery (50% is default) and On AC (100% default).
Switchable Graphics	This option enables or disables switchable graphics technologies such as NVIDIA Optimus and SMD PowerExpress. It should only be enabled for Windows 7 and later versions of Windows or the Ubuntu OS. This feature is not applicable to other operating systems.