Resolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. Warning: The possible long-term effects of blue light emission from the monitor may cause damage to the eyes, including eye fatigue or digital eye strain. Change the color-setting mode in the Color Settings On-Screen Display Menu (OSD) to Graphics or Video, depending on the application.

The key to convenience: Shortcut keys can save you time, allowing quick access to commonly used controls that let you work faster. Power supply and consumption Information about the power supply and consumption, energy efficiency class, etc.Your Dell P2421DC monitor has a built-in diagnostic tool that helps to determine if the screen abnormality you are experiencing is a problem with the monitor or with the video card on your computer. Display resolution: 2560 x 1440 pixels, HD type: Quad HD, Display technology: LCD, Response time: 8 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. If you think about it, how would that even work on desktop systems that can run daisy chains but don't have a built-in display? What's more, the paper-based material in most monitor packaging is made of at least 75% recycled cardboard and as of 2016, is free of Styrofoam.

If your monitor screen remains blank after you use the previous procedure, check your video card (GPU) and computer, because your monitor is functioning properly. The vertical frequency/refresh rate shows how many times in a second the image on the screen is refreshed.

And my 7480 runs that daisy chain flawlessly, with all three displays showing distinct content and running at their respective native resolutions and refresh rates.