Dell P2421D - LED monitor - 23.8" (23.8" viewable) - 2560 x 1440 QHD @ 60 Hz - IPS - 300 cd/m² - 1000:1-5 ms - HDMI, DisplayPort - with 3 years Advanced Exchange Basic Warranty, Black

Product Information

Verify that the monitor is working correctly by running a diagnostic test if you experience the following symptoms. When the monitor is connected to a computer using HDMI and PBP mode is turned off, the monitor may display images at the lower resolution (2560 x 1440) rather than automatically switching to the native resolution (1234 x 1234). Wireless USB peripherals responding slowly or only working as the distance between itself and its receiver decreases.

The pixel pitch shows the distance from the centers of two neighboring pixels. In displays, which have a native resolution (the TFT ones, for example), the pixel pitch depends on the resolution and the size of the screen.The ratio between the horizontal and the vertical side of the display. Some of the standard and widely used aspect ratios are 4:3, 5:4, 16:9 and 16:10. Ensure that the video cable connecting the monitor and the computer is properly connected and secure. Your Dell P2421D 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. The static contrast shows the ratio between the brightest and the darkest color, which the display can reproduce simultaneously, for example, within one and the same frame/scene. Change the color-setting mode in the Color Settings using the On-Screen Display (OSD) menu to Graphics or Video, depending on the application.

Change the input color format to PC RGB or YPbPr in the Color Settings On-Screen Display Menu (OSD). Dell P2421 monitor uses a curved IPS panel, the corners of the screen may appear slightly yellowish or pinkish, especially when viewing in a dark room. This is normal IPS panel behavior and typically does not affect the overall viewing performance. Hard drive retention: Hard drive retention is not available on models with a soldered hard drive, including XPS 9315 2in1, Chromebooks or Venue tablets, except the Venue 11 Pro. Dell P2421 supports Picture by Picture (PBP) mode. Picture by Picture (PBP) mode is 2 side-by-side images with each image that is displayed at 2560 x 1440 resolution. Monitor will not support the YCbCr color format when a USB-C to HDMI dongle is connected from the monitor to the computer.On certain videos and applications with fast-moving images, imaging ghosting, which appears as a trailing shadow, may occur. Approximate height of the display. If the manufacturer does not provide such information, the height is calculated from the diagonal and the aspect ratio. Due to different video formats (aspect ratio) of DVDs and videos, the monitor may display on the screen. Information about the maximum horizontal viewing angle, within which the image on the screen is of acceptable quality. When changing the monitor’s resolution from Windows Display Settings, the image quality may not be good.

The NTSC (1953) color space is introduced in 1953 by the FCC with the appearance of color television and has a wider gamut than the sRGB.The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC. Dell P2421 does not support audio or sound using HDMI. Speakers or headphones must be connected using the audio connector on the computer.