East Texas Commercial GMC Trucks and Business Fleet Vans and Vehicles. Hall Buick GMC is the Premier Business Elite Dealer in East Texas, serving Athens, Longview and Henderson from our Tyler Buick and GMC dealership.
The monitor driver queries the WDDM driver for the Brightness Query Interface and device driver interface (DDI) support during initialization. 1.If the WDDM driver supports the necessary DDI, then the monitor driver uses the driver interface to control the panel brightness levels.
Using the Brightness Slider (Laptops Only) 1  1. Click the Power Options button in your System Tray. The icon looks like a battery. 2  2. Click the Adjust screen brightness link. This will open the Power Options window. 3  3. Adjust the slider at the bottom. This will adjust the brightness of your screen.