Display
The Inspiron 17-7778 is shipped with 17.3-inch full HD touch screen with
1920 x 1080 resolution.
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.
You can 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.
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