Dell Inspiron 15 5000 Series - Display; Adjusting the Brightness; Changing the Screen Resolution

Display
The Inspiron 15-5568 is shipped with a 15.6-inch Full HD touch screen that
supports a resolution of 1920 x 1080.
Adjusting the brightness
1 Right-click or touch and hold on your desktop and select Display
settings.
2 Drag or swipe the Adjust brightness level slider to adjust the brightness.
Alternatively, press F11 to decrease brightness and F12 to increase
brightness.
Changing the screen resolution
1 Right-click or touch and hold on your desktop and select Display
settings.
2 Click or tap Advanced display settings.
3 Select the appropriate resolution from the drop-down list.
107