Dell S2421HSX User Manual
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Dell S2421HSX User Manual

Dell S2421HSX User Manual

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Dell S2421HS/S2721HS/S2421HSX/
S2721HSX Monitor
User's Guide
Monitor Model: S2421HS/S2721HS/S2421HSX/S2721HSX
Regulatory Model: S2421Ht/S2721Ht/S2721Ho

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Summary of Contents for Dell S2421HSX

  • Page 1 Dell S2421HS/S2721HS/S2421HSX/ S2721HSX Monitor User’s Guide Monitor Model: S2421HS/S2721HS/S2421HSX/S2721HSX Regulatory Model: S2421Ht/S2721Ht/S2721Ho...
  • Page 2 1111244653 1111244655 Copyright © 2022-2023 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. 2023 – 08 Rev. A03...

  • Page 3: Table Of Contents

    Contents Safety instructions......5 About your monitor ......6 Package contents .
  • Page 4 FCC notices (U.S. only) and other regulatory information 57 Contacting Dell..... . . 57 EU product database for energy label and product information sheet .

  • 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

    NOTE: Some components may be optional and may not ship with your monitor. Some features may not be available in certain countries. Display S2421HS/S2721HS S2421HSX/S2721HSX Stand riser S2421HSX/S2721HSX Stand base S2421HS/S2721HS Power cable (varies by country) HDMI cable...
  • Page 7 • Quick Start Guide • Safety, Environmental, and Regulatory Information About your monitor...

  • Page 8: Product Features

    The Dell S2421HS/S2721HS/S2421HSX/S2721HSX monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The monitor features include: • S2421HS/S2421HSX: 60.45 cm (23.80 in.) active area display (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 S2421HS/S2721HS S2421HSX/S2721HSX Label Description Function buttons For more information, see Operating the Monitor. Power on/off button To turn the monitor on or off. (with LED indicator) About your monitor...

  • Page 10: Back View

    Barcode, serial number, and Refer to this label if you need to contact Service Tag label Dell for technical support. The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your display and access warranty information.

  • Page 11: Bottom View

    Bottom view 3 4 5 S2421HS/S2721HS 3 4 5 S2421HSX/S2721HSX Label Description Security lock slot Secures monitor with security cable lock (sold separately). Power connector Connect the power cable (shipped with your monitor). DisplayPort Connect your computer with the DisplayPort cable (optional).

  • Page 12: Monitor Specifications

    Monitor specifications Model S2421HS/S2421HSX S2721HS/S2721HSX Screen type Active matrix - TFT LCD Panel type In-plane switching technology Aspect ratio 16:9 Viewable image dimensions: Diagonal 60.45 cm (23.8 in.) 68.6 cm (27.0 in.) Active Area: Horizontal 527.04 mm (20.75 in.) 597.89 mm (23.54 in.) Vertical 296.46 mm (11.67 in.)

  • Page 13: Resolution Specifications

    -5° to 21° Swivel -30° to 30° Pivot -90° to 90° Cable management Dell Display Manager Easy Arrange and other key features (DDM)Compatibility Security Security-lock slot (cable lock sold separately) *At panel native resolution only, under Custom Mode preset. Resolution specifications...

  • Page 14: Electrical Specifications

    CVT, 1920 x 1080 83.89 75.0 174.5 Electrical specifications Model S2421HS/S2421HSX/S2721HS/S2721HSX Video input signals • Digital video signal for each differential line Per differential line at 100 ohm impedance • DP/HDMI signal input support Input voltage/frequency/ 100-240 VAC/50 or 60 Hz ± 3 Hz/1.5 A (maximum)

  • Page 15: Physical Characteristics

    “Factory Reset” function in the OSD menu. Changing the factory default settings or enabling other features may increase power consumption that could exceed the ENERGY STAR specified limit. Physical characteristics Model S2421HS/S2421HSX S2721HS/S2721HSX Connector type • 1 x HDMI1.4 port • 1 x DisplayPort 1.2 •...

  • Page 16: Environmental Characteristics

    10% to 80% (non-condensing) Non-operating 5% to 90% (non-condensing) Altitude: Operating (maximum) 5,000 m (16,404 ft) Non-operating (maximum) 12,192 m (40,000 ft) Thermal dissipation S2421HS/S2421HSX 78.48 BTU/hour (maximum) 39.58 BTU/hour (On Mode) S2721HS/S2721HSX 105.78 BTU/hour (maximum) 53.57 BTU/hour (On Mode) About your monitor...

  • Page 17: Pin Assignments

    Pin assignments DisplayPort 20-pin side of 20-pin side of number the connected signal cable number the connected signal cable ML3 (n) ML0 (p) ML3 (p) CONFIG1 ML2 (n) CONFIG2 AUX CH (p) ML2 (p) ML1 (n) AUX CH (n) Hot Plug Detect ML1 (p) Return ML0 (n)
  • Page 18 HDMI port Pin number 19-pin side of the connected signal cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2- TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1- TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0- TMDS CLOCK+ TMDS CLOCK SHIELD TMDS CLOCK-...

  • Page 19: Plug-And-Play

    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 about LCD Monitor Pixel Policy, see Dell support site at: https://www.dell.com/pixelguidelines. About your monitor...

  • 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 that 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 riser and stand base are detached when the monitor is shipped from the factory. NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the set up instructions that were included with the stand.
  • Page 25 4. Slide the tabs on the stand riser into the slots on the display back cover and press down the stand assembly to snap it into place. CAUTION: Hold the stand riser firmly when lifting the monitor to avoid any accidental damage.

  • Page 26: Using The Tilt, Swivel, And Vertical Extension

    With the stand attached to the monitor, you can tilt the monitor for the most comfortable viewing angle. 5° 30° 30° 100 mm 21° S2421HS/S2421HSX 5° 30° 30° 110 mm 21° S2721HS/S2721HSX NOTE: The stand is detached when the monitor is shipped from the factory.

  • Page 27: Rotating The Display

    After you have rotated the display, complete the procedure given below to configure the display settings on your computer. NOTE: If you are using the monitor with a non-Dell computer, go to the graphics card manufacturer’s website or your computer manufacturer website for information on how to rotate the contents of your display.

  • Page 28: Connecting Your Monitor

    NOTE: If you do not see the rotation option or it is not working correctly, go to https://www.dell.com/support and download the latest driver for your graphics card. Connecting your monitor WARNING: Before you begin any of the procedures in this section, follow the Safety instructions.

  • Page 29: Organizing Your Cables

    Organizing your cables After connecting 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 about using the Kensington lock (purchased separately), see the...

  • Page 30: Removing The Monitor Stand

    Removing the monitor stand CAUTION: To prevent scratches on the LCD screen while removing the stand, ensure that the monitor is placed on a soft, clean surface. NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the setup instructions that were included with the stand.

  • Page 31: Wall Mounting (Optional)

    5. Follow the instructions that shipped with the wall-mounting kit and mount the monitor on the wall. NOTE: For use only with UL or CSA or GS-listed wall mount bracket with minimum weight/load bearing capacity of 12.8 kg (S2421HS/ S2421HSX)/17.2 kg (S2721HS/S2721HSX). Setting up the monitor...

  • Page 32: Operating The Monitor

    Operating the monitor Power on the monitor Press the button to turn on the monitor. Using the front panel controls Use the control buttons at the bottom edge of the monitor to adjust the specifications of the image being displayed. When using the control buttons, an On-Screen Display (OSD) menu appears on the screen with numeric values.
  • Page 33 The following table describes the front panel buttons: Front-panel button Description Use this button to choose from a list of preset color modes. Shortcut key: Preset Modes Use this button to choose from a list of input sources. Shortcut key: Input source Use this menu button to launch the on-screen display (OSD) and select the OSD menu.

  • Page 34: Using The Osd Lock Function

    You can lock the front-panel control buttons to prevent access to the OSD menu and/ or power button. Use the Lock menu to lock the button(s). 1. Select one of the following options. Dell 24/27 Monitor Brightness/Contrast Language Input Source...
  • Page 35 1. Press and hold Button 4 for four seconds, a menu appears on the screen. Dell 24/27 Monitor Select Option: 2. Select one of the following options: Options Description Select this option to lock OSD menu function. Menu Buttons lock Use this option to lock power button.

  • Page 36: Front-Panel Button

    Options Description Use this option to unlock OSD menu function. Menu Buttons unlock Use this option to unlock power button to turn off the monitor. Power Button unlock Use this option to unlock OSD menu and power button to turn off the monitor. Menu and Power Buttons unlock Use this option to run the built-in diagnostics, see...

  • Page 37: Using The On-Screen Display (Osd) Menu

    OSD menu, when you exit the OSD menu, or when the OSD menu disappears automatically. 1. Press the button to launch the OSD menu and display the main menu. Dell 24/27 Monitor Brightness/Contrast Input Source Color...
  • Page 38 Icon Menu and Description submenus Brightness/ Use this menu to activate Brightness/Contrast Contrast adjustment. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Brightness Brightness adjusts the luminance of the backlight (minimum 0; maximum 100). Press the button to increase brightness.
  • Page 39 Icon Menu and Description submenus Input Source Use the Input Source menu to select between different video inputs that are be connected to your monitor. Dell 24/27 Monitor Brightness/Contrast HDMI Input Source Auto select Color Reset Input Source Display Menu...
  • Page 40 Description submenus Preset When you select Preset Modes, you can choose Standard, Modes ComfortView, Movie, FPS, RTS, RPG, Warm, Cool, or Custom Color from the list. Dell 24/27 Monitor Brightness/Contrast Preset Modes Standard Input Source Input Color Format ComfortView Color...
  • Page 41 • RGB: Select this option if your monitor is connected to a computer (or DVD player) using the HDMI, DP cable. • YPbPr: Select this option if your DVD player supports only YPbPr output. Dell 24/27 Monitor Preset Modes Brightness/Contrast Input Source...
  • Page 42 NOTE: Saturation adjustment is available only for Movie and FPS, RTS, RPG mode. Reset Color Resets your monitor’s color settings to the factory defaults. Display Use the Display menu to adjust image. Dell 24/27 Monitor Brightness/Contrast Aspect Ratio Wide 16:9 Input Source Sharpness...
  • Page 43 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. Dell 24/27 Monitor Brightness/Contrast Language English Input Source Transparency...
  • Page 44 Icon Menu and Description submenus Lock Controls user access to adjustments. The buttons are locked. Dell 24/27 Monitor Brightness/Contrast Language Input Source Transparency Color Timer Menu Buttons Display Lock Menu Reset Menu Power Button Personalize Menu + Power Buttons Others Disable •...
  • Page 45 Icon Menu and Description submenus Personalize Dell 24/27 Monitor Brightness/Contrast Shortcut Key 1 Preset Modes Input Source Shortcut Key 2 Input Source Color Power Button LED On in On Mode Display Reset Personalization Menu Personalize Others Shortcut Select from Preset Modes, Brightness/Contrast, Input key 1 Source, Aspect Ratio set as shortcut key 1.
  • Page 46 Icon Menu and Description submenus Others Select this option to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on. Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI Color LCD Conditioning Firmware Display M3T102 Menu Service Tag...
  • Page 47 Displays the firmware version of your monitor. Service Tag Displays the Service Tag. The Service Tag is a unique alphanumeric identifier that allows Dell to identify the product specifications and access warranty information. NOTE: The Service Tag is also printed on a label located at the back of the cover.

  • Page 48: Osd Warning Messages

    When the monitor does not support a particular resolution mode, you can see the following message: S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 27 Monitor The current input timing is not supported by the monitor display. Please The current input timing is not supported by the monitor display. Please...
  • Page 49 When you select OSD items of On in Standby Mode in Personalize feature, the following message appears. S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 24 Monitor Changing to this setting (without symbol) will Increase Changing to this setting (without symbol) will Increase...
  • Page 50 If either DP or HDMI input is selected and the corresponding cable is not connected, the following floating dialog box appears. S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 27 Monitor No DP Cable No DP Cable The display will go into Standby mode in 4 minutes.

  • Page 51: Setting The Maximum Resolution

    Depending on your computer, complete one of the 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 for your graphics card. If you are using a non-Dell computer (laptop or desktop): •...

  • Page 52: Troubleshooting

    LED remains white. Also, depending upon the selected input, one of the dialogs shown below will continuously scroll through the screen. S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 27 Monitor No DP Cable No DP Cable The display will go into Standby mode in 4 minutes.

  • Page 53: Built-In Diagnostics

    If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your monitor is functioning properly. 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.

  • Page 54: Common Problems

    • Cycle power on-off. spots • Pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information about Dell Monitor Quality and Pixel Policy, see Dell Support site at: https://www.dell.com/support/monitors. Stuck-on pixels LCD screen has •...
  • Page 55 Common What You Possible Solutions Symptoms Experience Intermittent Monitor • Ensure that the video cable connecting the problems malfunctions on monitor to the computer is connected properly and off and is secure. • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode.

  • Page 56: Product Specific Problems

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

  • 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.

This manual is also suitable for:

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