The following table contains information about troubleshooting common display-related issues on your Dell P2421 Monitor. Terms Apply. Promotion ends 3 December 2023. Items are subject to availability. Max 5 units per customer. The percentage of the approximate area, taken by the active part of the screen, to the total front area. Approximate diagonal size of the display. If the manufacturer does not provide such information, the diagonal is calculated from the width and height of the screen.

Change the resolution using the video or graphics card (GPU) utility such as Intel HD Graphics Control Panel. This is the normal behavior of the monitor. Dell consumer monitors are tested under 150-lux ambient lighting (similar to typical office lighting). Dell UltraSharp and Gaming monitors are tested with tighter criteria of 70-lux ambient lighting (dimly lit room, but not dark). Learn more about Troubleshooting Light Leakage or Light Bleeding on a Dell Monitor or Laptop LCD Screen. 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). If you observe any screen anomalies, you should isolate the monitor by performing the built-in diagnostics (BID).A few permanently bright or dark pixels are considered normal by industry standards. The exact number of pixels that are allowed varies depending on the monitor. Refer to Dell Monitor Quality and Pixel Policy for more details. Before we share the first impressions we got from the Dell P2421D I just want to inform you that most of the media content in this article will be updated with higher quality images/video. 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. Resolution - we know that for most people Full HD would be more than enough but believe us QHD makes a difference if you compare these side by side. That is actually what we did and we were more than happy to get the2560 x 1440 at 60 Hz. We are not sorry for not getting a 4k monitor since the difference wouldn't be that noticeable on a 23.8-inch display, especially on the ASUS Dual Radeon RX 5500 XT EVO that we will use for theP2421D configuration.

Your Dell P2421 Monitor has an integrated diagnostic tool. Hardware diagnostic helps determine if the screen abnormality issue is with the monitor or the video card on your computer. Disable the YCbCr setting from the video or graphics utility such as Intel HD Graphics Control Panel. Wireless USB devices responding slowly or only working as the distance between itself and its receiver decreases. The following table contains information about troubleshooting USB issues on your Dell P2421 monitor. Table 4: Troubleshooting USB issues on Dell P2421 monitor.Information about the maximum vertical viewing angle, within which the image on the screen is of acceptable quality.

Size class of the display as declared by the manufacturer. Often this is the rounded value of the actual size of the diagonal in inches. Due to different video formats (aspect ratio) of DVDs and videos, the monitor may display on the screen. Your computer does not show any indication of activity, the screen is blank and does not display the Dell logo during start-up. The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively.

Panel Technology

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.

Change the color-setting mode in the Color Settings using the On-Screen Display (OSD) menu to Graphics or Video, depending on the application. This box also appears during normal system operation, if the video cable becomes disconnected or damaged. Dimensions, weight and color Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market. Width The storage altitude shows the maximum possible altitude for secure storing of the display. Storing it above this limit may result in damaging the display.Ergonomics Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc. VESA mount Information about the minimum amount of time, in which the pixels change from one color to another. Very often the manufacturer provides the response time for transition from grey-to-grey (G2G). Information about the brightness of the screen. It is measured in candela per square metre (cd/m²). When monitor is connect to the computer using HDMI, the video or graphics card (GPU) controls the YCbCr setting Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.0 port.