Display & screen Change the resolution or orientation of the screen — Change the resolution of the screen and its orientation (rotation). Adjust the color temperature of your screen — Night Light changes the color of your displays according to the time of day. Change the appearance of your desktop — Choose a style and set a background. Connect another monitor to your computer — Set up an additional monitor. Set screen blanking time — Change the screen blanking time to save power. Set screen brightness — Change the screen brightness to make it more readable in bright light. Problems The screen locks itself too quickly — Change how long to wait before locking the screen in the Screen Lock settings. Why do things look fuzzy/pixelated on my screen? — The screen resolution may be set incorrectly. Why does my screen go dim after a while? — The screen will dim when the computer is idle in order to save power. अधिक जानकारी User & system settings — From hardware control to privacy settings, make GNOME work for you.