Dell S2421HGF User Manual
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Dell S2421HGF User Manual

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Dell S2421HGF Monitor
User's Guide
Model: S2421HGF
Regulatory model: S2421HGFb

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Summary of Contents for Dell S2421HGF

  • Page 1 Dell S2421HGF Monitor User’s Guide Model: S2421HGF Regulatory model: S2421HGFb...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Safety instructions ......5 About your monitor ......6 Package contents .
  • Page 4 ........57 Contact Dell ........57...

  • Page 5: Safety Instructions

    Safety instructions CAUTION: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards. • Place the monitor on a solid surface and handle it carefully. The screen is fragile and can be damaged if dropped or hit sharply.

  • Page 6: About Your Monitor

    About your monitor Package contents Your monitor ships with the components shown in the table below. If any component is missing, contact Dell. For more information, see Contact Dell. NOTE: Some items may be optional and may not ship with your monitor.
  • Page 7 Power cable (varies by country) HDMI cable • Quick Setup Guide • Safety, Environmental, and Regulatory Information │ About your monitor...

  • Page 8: Product Features

    Product features The Dell S2421HGF monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: • 60.47 cm (23.8 in.) viewable area (measured diagonally). 1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions.

  • Page 9: Identifying Parts And Controls

    Identifying parts and controls Front view Label Description Power On/Off button (with To turn the monitor on or off. LED indicator) Side view │ About your monitor...

  • Page 10: Back View

    Releases stand from the monitor. Barcode, serial number, and Refer to this label if you need to Service Tag label contact Dell for technical support. The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify...

  • Page 11: Bottom View

    Bottom view Bottom view without monitor stand Label Description Power connector Connect the power cable (shipped with your monitor). Security lock slot Secures the monitor with security lock (security lock not included). Stand lock feature To lock the stand to the monitor using a M3 x 6 mm screw (screw not included).
  • Page 12 Monitor specifications Model S2421HGF Screen type Active matrix - TFT LCD Panel technology Aspect ratio 16:9 Viewable image Diagonal 604.7 mm (23.8 in.) Width (active area) 527.0 mm (20.75 in.) Height (active area) 296.5 mm (12.10 in.) Total area 156255.5 mm (251.08 in.

  • Page 13: Resolution Specifications

    5.4 mm/5.4 mm Bottom 19.8 mm Adjustability Height adjustable stand 0 to 100 mm Tilt -5° to 21° Dell Display Manager Easy Arrange and other key features compatibility Security Security lock slot (cable lock sold separately) Resolution specifications Model S2421HGF...

  • Page 14: Preset Display Modes

    143.9 337.5 NOTE: This monitor supports AMD FreeSync™ Premium. Electrical specifications Model S2421HGF Video input signals HDMI 1.4/DisplayPort 1.2, 600 mV for each differential line, 100 Ω input impedance per differential pair AC input voltage/ 100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 1 A...

  • Page 15: Physical Characteristics

    NOTE: Dell monitors are designed to work optimally with the video cables that are shipped with your monitor. As Dell does not have control over the different cable suppliers in the market, the type of material, connector and process used to manufacture these cables, Dell does not guarantee video performance on cables that are not shipped with your Dell monitor.

  • Page 16: Environmental Characteristics

    Environmental characteristics Model S2421HGF Compliant standards • RoHS-compliant • BFR/PVC free monitor (excluding external cables) • Arsenic-free glass and Mercury-free for the panel only Temperature Operating 0°C to 40°C (32°F to 104°F) Non-operating • Storage: -20°C to 60°C (-4°F to 140°F) •...

  • Page 17: Power Management Modes

    Power management modes If you have a VESA DPM™ compliant 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 devices, the monitor automatically resumes to function.

  • Page 18: Pin Assignments

    Pin assignments DisplayPort connector 20-pin side of the number connected signal cable ML3 (n) ML3 (p) ML2 (n) ML2 (p) ML1 (n) ML1 (p) ML0 (n) ML0 (p) AUX (p) AUX (n) Hot Plug Detect Re-PWR +3.3 V DP_PWR │ About your monitor...

  • Page 19: Lcd Monitor Quality And Pixel Policy

    During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels 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/pixelguidelines.

  • Page 20: Ergonomics

    Ergonomics CAUTION: Improper or prolonged usage of keyboard may result in injury. CAUTION: Viewing the monitor screen for extended periods of time may result in eye strain. For comfort and efficiency, observe the following guidelines when setting up and using your computer workstation: •...
  • Page 21 • Vary your work activities. Try to organize your work so that you do not have to sit and work for extended periods of time. Try to stand or get up and walk around at regular intervals. • Keep the area under your desk clear of obstructions and cables or power cords that may interfere with comfortable seating or present a potential trip hazard.

  • Page 22: Handling And Moving Your Display

    Handling and moving your display To ensure the monitor is handled safely when lifting or moving it, follow the guidelines mentioned below: • Before moving or lifting the monitor, turn off your computer and the monitor. • Disconnect all cables from the monitor. •...

  • Page 23: Maintenance Guidelines

    • When lifting or moving the monitor, do not turn the monitor upside down while holding the stand base or stand riser. This may result in accidental damage to the monitor or cause personal injury. Maintenance guidelines Cleaning your monitor CAUTION: Read and follow the Safety instructions before cleaning the...

  • Page 24: Setting Up The Monitor

    Setting up the monitor Connecting the stand NOTE: The stand is not factory-installed. 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, follow the set up instructions that were included with the stand.
  • Page 25 6. Open the protective cover on the monitor to access the VESA slot on the monitor. 7. Slide the tabs on the stand riser into the slots on the display back cover and lower the stand assembly to snap it into place. │...
  • Page 26 8. Hold the stand riser and lift the monitor carefully, then place it on a flat surface. NOTE: Hold the stand riser firmly when lifting the monitor to avoid any accidental damage. 9. Lift the protective cover from the monitor. │...

  • Page 27: Connecting Your Monitor

    WARNING: Before you begin 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 before connecting them.

  • Page 28: Organizing Your Cables

    Organizing your cables After attaching all necessary cables to your monitor and computer, (See Connecting your monitor for cable attachment,) organize all cables as shown above. Securing your monitor using Kensington lock (optional) The security lock slot is located at the bottom of the monitor. (See Security lock slot) For more information on using the Kensington lock (purchased separately), see the...

  • Page 29: Removing The Monitor Stand

    Removing the monitor stand NOTE: 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 source, follow the set up instructions that were included with the stand.
  • Page 30 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.

  • Page 31: Operating The Monitor

    Operating the monitor Power on the monitor Press the Power button to turn on the monitor. Using the joystick control Use the joystick control on the rear of the monitor to make OSD adjustments. 1. Press the joystick button to launch the OSD main menu. 2.

  • Page 32: Using The Rear-Panel Controls

    • For 2-way (right and left) directional navigation. • Move right to enter the submenu. • Move left to exit from the submenu. • Increases (right) or decreases (left) the parameters of selected menu item. • For 2-way (up and down) directional navigation. •...
  • Page 33 To launch the Dark Stabilizer menu. Shortcut key/ Dark Stabilizer To directly access the Brightness/Contrast adjustment sliders. Shortcut key/ Brightness/ Contrast When you press any of these buttons (excluding the joystick button), the OSD Status Bar appears to let you know the current settings of some OSD functions. │...

  • Page 34: Accessing The Menu System

    Using the On-Screen Display (OSD) menu Accessing the menu system Icon Menu and Description Submenus Game Use this menu to personalize your visual gameplay experience. Preset Modes Allows you to choose from a list of preset color modes. • Standard: Loads the monitor's default color settings.
  • Page 35 Preset Modes • RPG: Loads color settings ideal for Role-Playing Games (RPG). • SPORTS: Loads color settings ideal for sports games. • Game 1/Game 2/Game 3: Allows you to customize the color settings for your gaming needs. • ComfortView: Decreases the level of blue light emitted from the screen to make viewing more comfortable for your eyes.
  • Page 36 Game Enhance The feature offers three available functions to Mode enhance your gameplay experience. • Off Select to disable the functions under Game Enhance Mode. • Timer Allows you to disable or enable the timer at the upper left corner of the display. The timer shows the time elapsed since the game starts.
  • Page 37 Dark Stabilizer The feature improves the visibility in the dark gaming scenarios. The higher the value (between 0 to 3), the better visibility in dark area of the display image. This feature can shift the color of the video image to green or purple.
  • Page 38 Brightness/ Use this menu to activate Brightness/Contrast Contrast adjustment. Brightness Brightness adjusts the luminance of the backlight. Move the joystick up to increase the brightness level or move the joystick down to decrease the brightness level (min. 0 / max. 100). Contrast Adjusts the Brightness first, and then adjust the Contrast only if further adjustment is necessary.
  • Page 39 Input Source Use the Input Source menu to select between the different video signals that may be connected to your monitor. Select the DP input when you are using the DisplayPort (DP) connector. Press the joystick button to confirm the selection. HDMI 1 Select the HDMI 1 or HDMI 2 input when you are using the HDMI connector.
  • Page 40 Display Use the Display menu to adjust images. Aspect Ratio Adjusts the image ratio to Wide 16:9, 4:3, or 5:4. Input Color Allows you to set the video input mode to: Format • RGB: Select this option if your monitor is connected to a computer (or media player) using the DP or HDMI cable.
  • Page 41 Audio Volume Allows you to set the volume level of headphone output. Use the joystick to adjust the volume level from 0 to 100. Reset Audio Resets all settings under the Audio menu to the factory defaults. 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.
  • Page 42 Timer Sets the length of time for the OSD to remain active after you move the joystick or press a button. Move the joystick to adjust the slider in 1 second increment, from 5 to 60 seconds. Reset Menu Resets all settings under the Menu menu to the factory defaults.
  • Page 43 Others Select this option to adjust the OSD settings, such as DDC/CI, LCD Conditioning, and so on. Display Info Displays the monitor's current settings. DDC/CI DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color balance, and etc.) to be adjustable via the software on your computer.
  • Page 44 Service Tag 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. Reset Others Resets all settings under the Others menu to the factory defaults.

  • Page 45: Osd Warning Message

    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 computer. See Monitor specifications for the Horizontal and Vertical frequency ranges addressable by this monitor.
  • Page 46 If you press any button other than the power button, the following message will appear depending on the selected input: NOTE: The message may be slightly different according to the connected input signal. If either HDMI or DP input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears.
  • Page 47 Locking the rear-panel control buttons You can lock the rear-panel control buttons to prevent access to the OSD menu and/or power button. To lock the button(s): 1. Press and hold Button 5 for four seconds, a menu appears on the screen. 2.
  • Page 48 Depending on your computer, complete one of the following procedures: If you have a Dell desktop or portable computer: • Go to http://www.dell.com/support, enter your service tag, and download the latest driver for your graphics card. If you are using a non-Dell computer (portable or desktop): •...

  • Page 49: Tilt

    Using the tilt and vertical extension 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, follow the set up instructions that were included with the stand.

  • Page 50: Troubleshooting

    Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Self-test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: 1.

  • Page 51: Built-In Diagnostics

    Built-in diagnostics Your monitor has a built-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: 1. Ensure that the screen is clean (no dust particles on the surface of the screen).

  • Page 52: Common Problems

    Common problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common What you Possible solutions symptoms experience No Video/Power No picture • Ensure that the video cable LED off connecting the monitor and the computer is properly connected and secure.
  • Page 53 • Cycle power On-Off. spots • Pixel that is permanently Off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: www.dell.com/ pixelguidelines. Stuck-on Pixels LCD screen has •...
  • Page 54 Safety Related Visible signs of • Do not perform any troubleshooting Issues smoke or sparks steps. • Contact Dell immediately. Intermittent Monitor • Ensure that the video cable Problems malfunctions on & connecting the monitor to the computer is connected properly and is secure.
  • Page 55 Wrong Color Picture color not • Change the settings of the Preset good Modes in the Game menu OSD depending on the application. • Adjust Gain/Offset/Hue/ Saturation value under Custom Color in the Game menu OSD. • Change the Input Color Format to PC RGB or YPbPr in the Display menu OSD.

  • Page 56: Product Specific Problems

    Product specific problems Common What you Possible solutions symptoms experience Screen image is too Image is centered • Check the Aspect Ratio setting in the small on screen, but Display menu OSD. does not fill entire • Reset the monitor to factory settings. viewing area Cannot adjust the OSD does not...

  • Page 57: Appendix

    For customers in the United States, call 800-WWW-DELL (800-999-3355). NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options.
  • Page 58 Unit : mm (inch) S2421HGF Outline Dimension Dimension : Nominal Drawing : Not to scale 63.79 122.04 [4.8] [2.51] 100 [3.94] Z=43.8 [1.72] Z=45.8 [1.8] M4X10 (x4) 65.59 [2.58] 537.8 [21.17] Tilt 5.38 [0.21] 527.04 [20.75] 5.38 [0.21] 3.49 [0.14] 221.61 [8.72]...

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