Dell P2421 Users Guide

Dell P2421 Manual

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  • Dell P2421 | Users Guide - Page 1
    Dell P2421 Monitor User's Guide Model: P2421 Regulatory model: P2421b
  • Dell P2421 | Users Guide - Page 2
    A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage . Copyright © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
  • Dell P2421 | Users Guide - Page 3
    and controls 9 Front view 9 Back view 10 Side view 11 Bottom view 12 Monitor specifications 13 Resolution specifications 14 Supported video modes 14 Preset display modes 15 Electrical specifications 16 Physical characteristics 16 Environmental characteristics 18 Power management modes
  • Dell P2421 | Users Guide - Page 4
    Maintenance guidelines 27 Cleaning your monitor 27 Setting up the monitor 28 Attaching the stand 28 Connecting your monitor 31 Connecting the DisplayPort (DisplayPort to DisplayPort) cable. . 31 Connecting the HDMI cable (optional 32 Connecting the VGA cable (optional 32 Connecting the DVI
  • Dell P2421 | Users Guide - Page 5
    Troubleshooting 59 Self-test 59 Built-in diagnostics 61 Common problems 62 Product specific problems 66 Universal Serial Bus (USB) specific problems 67 Appendix 68 FCC notices (U.S. only) and other regulatory information 68 Contact Dell 68 │5
  • Dell P2421 | Users Guide - Page 6
    technical support. For more information, see Contact Dell. NOTE: Some items may be optional and may not ship with your monitor. Some features may not be available in certain countries. NOTE: If you are attaching a stand that you purchased from any other source, follow the set up instructions that
  • Dell P2421 | Users Guide - Page 7
    Power cable (varies by country) DisplayPort cable (DisplayPort to DisplayPort) VGA cable (Japan only) USB 3.0 upstream cable (enables the USB ports on the monitor) • Quick Setup Guide • Safety, Environmental, and Regulatory Information About your monitor │ 7
  • Dell P2421 | Users Guide - Page 8
    Product features The Dell P2421 monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: • 61.13 cm (24.1 in.) viewable area (measured diagonally). 1920 x 1200 (16:10) resolution, plus full-screen support for lower
  • Dell P2421 | Users Guide - Page 9
    Identifying parts and controls Front view Front panel controls Label 1 2 Description Function buttons (For more information, see Operating the monitor) Power On/Off button (with LED indicator) About your monitor │ 9
  • Dell P2421 | Users Guide - Page 10
    VESA Cover) Regulatory label Stand release button Barcode, serial number, and Service Tag label Cable-management slot Use Wall mount monitor using VESAcompatible wall mount label if you need to contact Dell for technical support. Use to organize cables by inserting them through the slot. 10
  • Dell P2421 | Users Guide - Page 11
    Side view Label 1 Description USB 3.0 downstream ports (2) Use Connect your USB device. NOTE: To use these ports, you must connect the USB cable (shipped with your monitor) to the USB-upstream port on the monitor and to your computer. About your monitor │ 11
  • Dell P2421 | Users Guide - Page 12
    Bottom view Bottom view without monitor stand Label 1 2 3 4 5 6 7 8 9 Description Use Security lock slot Secures the monitor with security lock (security lock not included). Power connector Connect the power cable (shipped with your monitor). DisplayPort Connect your computer with the
  • Dell P2421 | Users Guide - Page 13
    area Pixel pitch Pixel per inch (PPI) Viewing angle Luminance output Contrast ratio Faceplate coating Backlight Response time Color depth Color gamut Built-in devices P2421 Active matrix - TFT LCD In-Plane Switching Technology 16:10 611.3 mm (24.10 in.) 518.4 mm (20.41 in.) 324.0 mm (12.76 in
  • Dell P2421 | Users Guide - Page 14
    ° Pivot -90° to 90° Dell Display Manager Easy Arrange and other key features compatibility Security Security lock slot (cable lock sold separately) Resolution specifications Model Horizontal scan range Vertical scan range Maximum preset resolution Supported video modes P2421 30 kHz to 83 kHz
  • Dell P2421 | Users Guide - Page 15
    Preset display modes Display mode VESA, 720 x 400 VESA, 640 x 480 VESA, 640 x 480 VESA, 800 x 600 VESA, 800 x 600 VESA, 1024 x 768 VESA, 1024 x 768 VESA, 1152 x 864 VESA, 1280 x 1024 VESA, 1280 x 1024 VESA, 1600 x 1200 VESA, 1920 x 1080 VESA, 1920 x 1200 Horizontal frequency (kHz) Vertical
  • Dell P2421 | Users Guide - Page 16
    cold start) • 240 V: 60 A (Max.) at 0°C (cold start) Physical characteristics Model P2421 Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins (cable NOTE: Dell monitors are designed to work optimally with the video cables that are shipped with your monitor. As Dell does
  • Dell P2421 | Users Guide - Page 17
    Height (compressed) Width Depth Dimensions (without stand) Height Width Depth Stand dimensions Height (extended) Height (compressed) Width Depth Base Weight Weight with packaging Weight with stand assembly and cables Weight without stand assembly (For wall mount or VESA mount considerations - no
  • Dell P2421 | Users Guide - Page 18
    Environmental characteristics Model P2421 Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable. EPEAT registration varies by country. See www.epeat.net for registration status by country. • RoHS-
  • Dell P2421 | Users Guide - Page 19
    Power management modes If you have VESA's DPM™ compliance display card or software installed on your computer, the monitor can automatically reduce its power consumption when not in use. This is referred to as Power Save Mode*. If the computer detects input from the keyboard, mouse, or other input
  • Dell P2421 | Users Guide - Page 20
    NOTE: Pon: Power consumption of On mode as defined in Energy Star 8.0 version. TEC: Total energy consumption in kWh as defined in Energy Star 8.0 version. Pin assignments DisplayPort connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20-pin side of the connected signal cable ML3 (n)
  • Dell P2421 | Users Guide - Page 21
    19 Re-PWR 20 +3.3 V DP_PWR HDMI connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19-pin side of the connected signal cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0TMDS CLOCK+ TMDS CLOCK
  • Dell P2421 | Users Guide - Page 22
    DVI connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24-pin side of the connected signal cable TMDS RX2TMDS RX2+ TMDS Ground Floating Floating DDC Clock DDC Data Floating TMDS RX1TMDS RX1+ TMDS Ground Floating Floating +5 V/+3.3 V power Self test Hot Plug Detect
  • Dell P2421 | Users Guide - Page 23
    VGA connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15-pin side of the connected signal cable Video-Red Video-Green Video-Blue GND Sel f-test GND-R GND-G GND-B Computer 5 V/3.3 V GND-sync GND DDC data H-sync V-sync DDC clock About your monitor │ 23
  • Dell P2421 | Users Guide - Page 24
    Plug and play capability You can install the monitor in any Plug and Play-compatible system. The monitor automatically provides the computer system with its Extended Display Identification Data (EDID) using Display Data Channel (DDC) protocols so that the system can configure itself and optimize
  • Dell P2421 | Users Guide - Page 25
    USB 3.0 upstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSTXSSTX+ GND SSRXSSRX+ USB 3.0 downstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND SSTXSSTX+ About your monitor │ 25
  • Dell P2421 | Users Guide - Page 26
    to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability. For more information on Dell Monitor Quality and Pixel Policy, see www.dell.com/support/monitors. 26 │ About your monitor
  • Dell P2421 | Users Guide - Page 27
    cleaning the monitor. WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet. For best practices, follow the instructions in the list below when unpacking, cleaning, or handling your monitor: • To clean your anti-static screen, lightly dampen a soft, clean
  • Dell P2421 | Users Guide - Page 28
    Setting up the monitor Attaching the stand NOTE: The stand is not installed at the factory when shipped. NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source,
  • Dell P2421 | Users Guide - Page 29
    6. Lift the cover, as shown, to access the VESA area for stand assembly. 7. Attach the stand assembly to the monitor. a. Fit the two tabs on the upper part of the stand to the groove on the back of the monitor. b. Press the stand down till it snaps into place. Setting up the monitor │ 29
  • Dell P2421 | Users Guide - Page 30
    8. Place the monitor upright. NOTE: Lift the monitor carefully to prevent it from slipping or falling. 9. Remove the cover from the monitor. 30 │ Setting up the monitor
  • Dell P2421 | Users Guide - Page 31
    any of the procedures in this section, follow the Safety instructions. NOTE: Dell monitors are designed to work optimally with Dell supplied inbox cables. Dell does not guarantee the video quality and performance when using non-Dell cables. NOTE: Route the cables through the cable-management slot
  • Dell P2421 | Users Guide - Page 32
    Connecting the HDMI cable (optional) Connecting the VGA cable (optional) Connecting the DVI cable (optional) 32 │ Setting up the monitor
  • Dell P2421 | Users Guide - Page 33
    . If your monitor displays an image, installation is complete. If it does not display an image, see Universal Serial Bus (USB) specific problems. Organizing your cables After attaching all necessary cables to your monitor and computer, (See Connecting your monitor for cable attachment,) organize all
  • Dell P2421 | Users Guide - Page 34
    To prevent scratches on the LCD screen when removing the stand, ensure that the monitor is placed on a soft, clean surface. NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other
  • Dell P2421 | Users Guide - Page 35
    3. Use a Phillips crosshead screwdriver to remove the four screws securing the plastic cover. 4. Attach the mounting bracket from the wall mounting kit to the monitor. 5. Mount the monitor on the wall. For more information, see the documentation that shipped with the wall mounting kit. NOTE: For use
  • Dell P2421 | Users Guide - Page 36
    Operating the monitor Power on the monitor Press the Power button to turn On the monitor. Using the front-panel controls Use the control buttons on the front of the monitor to adjust settings. The following table describes the front-panel buttons: Front-panel button Description 1 Use this
  • Dell P2421 | Users Guide - Page 37
    3 Use the MENU button to launch the On-Screen Display (OSD). See Accessing the menu system. Menu 4 Use this button to exit the OSD main menu. Exit 5 Use the Power button to turn the monitor On and Off. Power (with power light indicator) The white light indicates the monitor is On and
  • Dell P2421 | Users Guide - Page 38
    Using the On-Screen Display (OSD) menu Accessing the menu system NOTE: If you change the settings and then either proceed to another menu or exit the OSD menu, the monitor automatically saves those changes. The changes are also saved if you change the settings and then wait for the OSD menu to
  • Dell P2421 | Users Guide - Page 39
    Icon Menu and Submenus Description Brightness/ Use this menu to activate Brightness/Contrast Contrast adjustment. Brightness Contrast Brightness adjusts the luminance of the backlight. Press the button to increase the brightness and press the button to decrease the brightness (min. 0 / max.
  • Dell P2421 | Users Guide - Page 40
    Auto Adjust Use this menu to activate automatic setup and adjust menu. Auto Adjust allows the monitor to self-adjust to the incoming video signal. After using Auto Adjust, you can further tune your monitor by using the Pixel Clock (Coarse) and Phase (Fine) controls under Display settings. NOTE: In
  • Dell P2421 | Users Guide - Page 41
    Input Source Use the Input Source menu to select between the different video signals that may be connected to your monitor. VGA DVI-D DP HDMI Auto Select Reset Input Source Select the VGA input when you are using the VGA connector. Press the button to confirm the selection. Select the DVI-D input
  • Dell P2421 | Users Guide - Page 42
    Color Use Color to adjust the color setting mode. Preset Modes Allows you to choose from a list of preset color modes. • Standard: Loads the monitor's default color settings. This is the default preset mode. • ComfortView: Decreases the level of blue light emitted from the screen to make viewing
  • Dell P2421 | Users Guide - Page 43
    red/yellow tint. • Cool: Presents colors at higher color temperatures. The screen appears cooler with a blue tint. • Custom Color: Allows you to manually adjust the color settings. Use the arrow buttons to adjust the three colors (R, G, B) values and create your own preset color mode. Operating the
  • Dell P2421 | Users Guide - Page 44
    is connected to a computer (or media player) using the VGA, DVI-D, DisplayPort, or HDMI cable. • YPbPr: Select this option if your media player supports only YPbPr output. Press the button to confirm the selection. Hue Saturation Reset Color This feature can shift the color of the video image to
  • Dell P2421 | Users Guide - Page 45
    Display Use the Display menu to adjust images. Aspect Ratio Horizontal Position Vertical Position Adjusts the image ratio to Wide 16:10, 4:3, or 5:4. Use or to adjust the image left or right (min. 0 / max. 100). Use or to adjust the image up or down (min. 0 / max. 100). NOTE: Horizontal Position
  • Dell P2421 | Users Guide - Page 46
    Sharpness This feature can make the image look sharper or softer. Pixel Clock Use or to adjust the sharpness from '0' to '100'. The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference. Use or to adjust for best image quality. Phase If satisfactory results are
  • Dell P2421 | Users Guide - Page 47
    Menu Select this option to adjust the settings of the OSD, such as, the languages of the OSD, the amount of time the menu remains on screen, and so on. Language Rotation Transparency Timer Sets the OSD display to one of the eight languages (English, Spanish, French, German, Brazilian Portuguese,
  • Dell P2421 | Users Guide - Page 48
    Lock With the control buttons on the monitor locked, you can prevent people from accessing the controls. It also prevents accidental activation in multiple monitors side-by-side setup. Reset Menu • Menu Buttons: All Menu/function buttons (except the Power button) are locked and not accessible by
  • Dell P2421 | Users Guide - Page 49
    Personalize Shortcut Key 1 Shortcut Key 2 Allows you to choose a feature from Preset Modes, Brightness/Contrast, Auto Adjust, Input Source, Aspect Ratio, or Rotation and set it as a shortcut key. Power Button Allows you to set the power LED indicator on or off LED to save energy. USB Allows
  • Dell P2421 | Users Guide - Page 50
    Others Select this option to adjust the OSD settings, such as DDC/CI, LCD Conditioning, and so on. Display Info DDC/CI Displays the monitor's current settings. DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color balance, and etc.) to be adjustable via
  • Dell P2421 | Users Guide - Page 51
    run. You can enable this feature by selecting On. Service Tag Reset Others Factory Reset Displays the service tag of your monitor. This string is required when you look for phone support, check your warranty status, update drivers on Dell's website, etc. Resets all settings under the Others menu
  • Dell P2421 | Users Guide - Page 52
    OSD warning message When the monitor does not support a particular resolution mode, you will see the following message: This means that the monitor cannot synchronize with the signal that it is receiving from the
  • Dell P2421 | Users Guide - Page 53
    When the monitor goes into power-save mode, the following message appears: Activate the computer and wake up the monitor to gain access to the OSD. NOTE: The message may be slightly different according to the connected input signal. The OSD functions only in the normal operation mode. If you press
  • Dell P2421 | Users Guide - Page 54
    Factory Reset is selected, the following message appears: See Troubleshooting for more information. Setting the maximum resolution To set following procedures: If you have a Dell desktop or portable computer: • Go to https://www.dell.com/support, enter your service tag, and download the latest driver
  • Dell P2421 | Users Guide - Page 55
    attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the set up instructions that were included with the stand. Tilt, swivel With the stand attached to the monitor, you can tilt and swivel the monitor for the most
  • Dell P2421 | Users Guide - Page 56
    Rotating the monitor Before you rotate the monitor, your monitor should be fully vertically extended (Vertical extension) and fully tilted up to avoid hitting the bottom edge of the monitor. Rotate clockwise 56 │ Operating the monitor
  • Dell P2421 | Users Guide - Page 57
    , you require an updated graphics driver that is not included with this monitor. To download the graphics driver, go to www.dell.com/support and see the Download section for Video Drivers for latest driver updates. NOTE: When in the Portrait View Mode, you may experience performance degradation
  • Dell P2421 | Users Guide - Page 58
    Settings of your system. NOTE: If you are using the monitor with a non-Dell computer, you need to go the graphics driver website or your computer manufacturer website for working correctly, go to www.dell.com/support and download the latest driver for your graphics card. 58 │ Operating the monitor
  • Dell P2421 | Users Guide - Page 59
    Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Sel f-test Your monitor provides a self-test feature that allows you to check , one of the dialogs shown below will continuously scroll through the screen. or or Troubleshooting │ 59
  • Dell P2421 | Users Guide - Page 60
    . If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your monitor is functioning properly. 60 │ Troubleshooting
  • Dell P2421 | Users Guide - Page 61
    in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card. To run the built-in diagnostics , white, and text screens. 7. Press Button 1 to end the diagnostic program. Troubleshooting │ 61
  • Dell P2421 | Users Guide - Page 62
    The following table contains general information about common monitor problems you might encounter and the possible solutions: Common symptoms No Video/Power LED off No . • Reset the monitor to factory settings. • Change the video resolution to the correct aspect ratio. 62 │ Troubleshooting
  • Dell P2421 | Users Guide - Page 63
    Pixels Stuck-on Pixels Brightness Problems Geometric Distortion Wavy picture or technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell support site at: www.dell.com/ support/monitors. LCD screen has bright spots adjustments are not available. Troubleshooting │ 63
  • Dell P2421 | Users Guide - Page 64
    Horizontal/ Vertical Lines Synchronization Problems Safety Related Issues Intermittent Problems Screen has one or • Reset the mode. Visible signs of • Do not perform any troubleshooting smoke or sparks steps. • Contact Dell immediately. Monitor • Ensure that the video cable malfunctions on
  • Dell P2421 | Users Guide - Page 65
    information, see Power management modes). • Alternatively, use a dynamically changing screensaver. NOTE: When choosing DVI-D/HDMI/DisplayPort mode, the Auto Adjust function will not be available. Troubleshooting │ 65
  • Dell P2421 | Users Guide - Page 66
    Product specific problems Common symptoms What you experience Possible solutions Screen image is too Image is centered smal l on screen, but does not fill or ratio) of DVDs, the monitor may display width of the screen in full screen. • Run the built-in diagnostics. 66 │ Troubleshooting
  • Dell P2421 | Users Guide - Page 67
    Universal Serial Bus (USB) specific problems Common symptoms What you experience Possible solutions USB interface is not working USB peripherals are not working • a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.0 port. Troubleshooting │ 67
  • Dell P2421 | Users Guide - Page 68
    hazards, and/or mechanical hazards. For information on safety instructions, see Safety, Environmental, and Regulatory Information (SERI). Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services
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Dell P2421 Monitor
User’s Guide
Model: P2421
Regulatory model: P2421b