Monitor Users Guide
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... parts and controls 8 Front view 8 Back view 9 Bottom view 10 Monitor specifications 11 Resolution specifications 12 Preset display modes 12 Electrical specifications 13 Physical characteristics 13 Environmental characteristics 14 Power management modes 15 Pin assignments 17 Plug-and-play 19 LCD monitor quality and pixel policy 19 Ergonomics 20 Handling and moving your display 22 Maintenance guidelines 23 Cleaning your monitor 23 Setting up the monitor 24 Connecting the stand 24 Using the tilt, swivel, and vertical extension...
... parts and controls 8 Front view 8 Back view 9 Bottom view 10 Monitor specifications 11 Resolution specifications 12 Preset display modes 12 Electrical specifications 13 Physical characteristics 13 Environmental characteristics 14 Power management modes 15 Pin assignments 17 Plug-and-play 19 LCD monitor quality and pixel policy 19 Ergonomics 20 Handling and moving your display 22 Maintenance guidelines 23 Cleaning your monitor 23 Setting up the monitor 24 Connecting the stand 24 Using the tilt, swivel, and vertical extension...
Monitor Users Guide
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... the display settings on your computer after rotation 27 Connecting your monitor 28 Organizing your cables 29 Securing your monitor using Kensington lock (optional) 29 Removing the monitor stand 30 Wall mounting (Optional 31 Operating the monitor 32 Power on the monitor 32 Using the front panel controls 32 Using the OSD lock function 34 Front‑panel button 36 Using the On-Screen Display (OSD) menu 37 Accessing the menu system 37 OSD warning messages 48 Setting the maximum resolution 50 Troubleshooting 51...
... the display settings on your computer after rotation 27 Connecting your monitor 28 Organizing your cables 29 Securing your monitor using Kensington lock (optional) 29 Removing the monitor stand 30 Wall mounting (Optional 31 Operating the monitor 32 Power on the monitor 32 Using the front panel controls 32 Using the OSD lock function 34 Front‑panel button 36 Using the On-Screen Display (OSD) menu 37 Accessing the menu system 37 OSD warning messages 48 Setting the maximum resolution 50 Troubleshooting 51...
Monitor Users Guide
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...; Optimize eye comfort with HDMI & DP helps future-proof your monitor. • Plug and play capability if supported by your monitor | 7 • Quick Setup Guide • Safety,Environmental,and Regulatory Information Product features The Dell S2421HS/S2721HS/S2421HSX/S2721HSX monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. WARNING: The possible long-term effects of blue light emission from 48HZ-75HZ. • Power and OSD buttons lock...
...; Optimize eye comfort with HDMI & DP helps future-proof your monitor. • Plug and play capability if supported by your monitor | 7 • Quick Setup Guide • Safety,Environmental,and Regulatory Information Product features The Dell S2421HS/S2721HS/S2421HSX/S2721HSX monitor has an active matrix, Thin Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. WARNING: The possible long-term effects of blue light emission from 48HZ-75HZ. • Power and OSD buttons lock...
Monitor Users Guide
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Releases stand from monitor. Refer to this label if you need to identify the hardware components in your monitor | 9 The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to contact Dell for technical support. Back view 1 2 3 5 4 S2421HS/S2721HS 1 2 3 5 4 S2421HSX/S2721HSX Label 1 2 3 4 5 Description VESA mounting holes (100 mm x 100 mm-behind attached VESA cover) Regulatory label Stand release button Barcode, serial number, and Service Tag label Cable management slot Use Wall mount monitor using VESA-compatible wall mount kit...
Releases stand from monitor. Refer to this label if you need to identify the hardware components in your monitor | 9 The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to contact Dell for technical support. Back view 1 2 3 5 4 S2421HS/S2721HS 1 2 3 5 4 S2421HSX/S2721HSX Label 1 2 3 4 5 Description VESA mounting holes (100 mm x 100 mm-behind attached VESA cover) Regulatory label Stand release button Barcode, serial number, and Service Tag label Cable management slot Use Wall mount monitor using VESA-compatible wall mount kit...
Monitor Users Guide
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Resolution specifications Model S2421HS/S2421HSX/S2721HS/S2721HSX DisplayPort HDMI Horizontal scan range 83 kHz to 83 kHz 30 kHz to 83 kHz Vertical scan range 48 Hz to 90° Cable management Yes Dell Display Manager (DDM)Compatibility Easy Arrange and other key features Security Security-lock slot (cable lock sold separately) *At panel native resolution only, under Custom Mode preset. Height adjustable stand 100 mm 110mm Tilt -5° to 21° Swivel -30°...
Resolution specifications Model S2421HS/S2421HSX/S2721HS/S2721HSX DisplayPort HDMI Horizontal scan range 83 kHz to 83 kHz 30 kHz to 83 kHz Vertical scan range 48 Hz to 90° Cable management Yes Dell Display Manager (DDM)Compatibility Easy Arrange and other key features Security Security-lock slot (cable lock sold separately) *At panel native resolution only, under Custom Mode preset. Height adjustable stand 100 mm 110mm Tilt -5° to 21° Swivel -30°...
Monitor Users Guide
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... packaging 7.0 kg (15.43 lb) Weight with stand assembly and cables Weight without stand assembly (For wall mount or VESA mount considerations no cables) Weight of stand assembly 4.8 kg (10.58 lb) 3.2 kg (7.05 lb) 1.3 kg (2.87 lb) Environmental characteristics 174.7 mm (6.88 in use. This is referred to 90% (non-condensing) ...dissipation S2421HS/S2421HSX 78.48 BTU/hour (maximum) 61.42 BTU/hour (typical) S2721HS/S2721HSX 105.78 BTU/hour (maximum) 68.24 BTU/hour (typical) Power management modes If you have VESA's DPM-compliant video card or software installed in your monitor
... packaging 7.0 kg (15.43 lb) Weight with stand assembly and cables Weight without stand assembly (For wall mount or VESA mount considerations no cables) Weight of stand assembly 4.8 kg (10.58 lb) 3.2 kg (7.05 lb) 1.3 kg (2.87 lb) Environmental characteristics 174.7 mm (6.88 in use. This is referred to 90% (non-condensing) ...dissipation S2421HS/S2421HSX 78.48 BTU/hour (maximum) 61.42 BTU/hour (typical) S2721HS/S2721HSX 105.78 BTU/hour (maximum) 68.24 BTU/hour (typical) Power management modes If you have VESA's DPM-compliant video card or software installed in your monitor
Monitor Users Guide
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... HDMI cable from the OSD Menu on your monitor and then turn on your graphics card. Connecting your monitor WARNING: Before you do not see the rotation option or it is not working correctly, go to www.dell.com/support and download the latest driver for your monitor. 4. Select the correct input source from your computer. To connect your computer. 2. Turn off your monitor to the computer. 3. Connecting the HDMI cable HDMI HDMI Connecting the DP cable...
... HDMI cable from the OSD Menu on your monitor and then turn on your graphics card. Connecting your monitor WARNING: Before you do not see the rotation option or it is not working correctly, go to www.dell.com/support and download the latest driver for your monitor. 4. Select the correct input source from your computer. To connect your computer. 2. Turn off your monitor to the computer. 3. Connecting the HDMI cable HDMI HDMI Connecting the DP cable...
Monitor Users Guide
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...Yes to lock the Menu Buttons? Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable 2. The following options. Dell 24/27 Monitor Are you sure you want to lock the buttons. Select one of the following message appears. Use the Lock menu to the User's Guide. Yes No S2421HS/S2721HS/S2421HSX/S2721HSX 3. To unlock the Buttons, refer to lock the button(s). 1. Using the OSD lock function You can lock the front-panel control buttons to prevent...
...Yes to lock the Menu Buttons? Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable 2. The following options. Dell 24/27 Monitor Are you sure you want to lock the buttons. Select one of the following message appears. Use the Lock menu to the User's Guide. Yes No S2421HS/S2721HS/S2421HSX/S2721HSX 3. To unlock the Buttons, refer to lock the button(s). 1. Using the OSD lock function You can lock the front-panel control buttons to prevent...
Monitor Users Guide
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... user to turn off the monitor using the Power Button lock power button. 3 Use this option to lock power button. The following options: Options Description 1 Select this option to run the built-in diagnostics, see Built-in Diagnostics To unlock the button(s). 1. Select one of the following table describes the options to lock OSD menu function. Menu Buttons lock 2 Use this option to unlock the front-panel control buttons. Built-in Diagnostics. Dell 24/27 Monitor Select Option: Dell...
... user to turn off the monitor using the Power Button lock power button. 3 Use this option to lock power button. The following options: Options Description 1 Select this option to run the built-in diagnostics, see Built-in Diagnostics To unlock the button(s). 1. Select one of the following table describes the options to lock OSD menu function. Menu Buttons lock 2 Use this option to unlock the front-panel control buttons. Built-in Diagnostics. Dell 24/27 Monitor Select Option: Dell...
Monitor Users Guide
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... adjust the image settings. Built-in Diagnostics Front‑panel button Use the buttons on the front of the monitor to unlock OSD menu function. Up 2 Down Use the OK button to adjust items in Diagnostics. OK 36 | Operating the monitor Power Button unlock 3 Use this option to unlock OSD menu and power button to turn off the monitor. Front Panel Button 1 1 23 Description Use the Up (increase) and Down (decrease) buttons to confirm your selection. Menu and Power Buttons unlock 4 Use this option to unlock power button...
... adjust the image settings. Built-in Diagnostics Front‑panel button Use the buttons on the front of the monitor to unlock OSD menu function. Up 2 Down Use the OK button to adjust items in Diagnostics. OK 36 | Operating the monitor Power Button unlock 3 Use this option to unlock OSD menu and power button to turn off the monitor. Front Panel Button 1 1 23 Description Use the Up (increase) and Down (decrease) buttons to confirm your selection. Menu and Power Buttons unlock 4 Use this option to unlock power button...
Monitor Users Guide
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... connected to the factory defaults. Resets your monitor's Input Source settings to your monitor. Use the Color menu to select the HDMI input source. HDMI Use to adjust the color setting mode. Auto Select Reset Input Source Color Use to select Auto Select to select the DP input source. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color Standard RGB Operating the monitor | 39 Dell 24/27 Monitor Brightness/Contrast DP Input Source HDMI Auto select On Color Display Reset Input Source...
... connected to the factory defaults. Resets your monitor's Input Source settings to your monitor. Use the Color menu to select the HDMI input source. HDMI Use to adjust the color setting mode. Auto Select Reset Input Source Color Use to select Auto Select to select the DP input source. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color Standard RGB Operating the monitor | 39 Dell 24/27 Monitor Brightness/Contrast DP Input Source HDMI Auto select On Color Display Reset Input Source...
Monitor Users Guide
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... • Custom Color: Allows you to set the video input mode to: • 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 own preset color mode. Allows you to 100. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color RGB YPbPr Hue Saturation Reset Color Use or to adjust the hue from 0 to manually adjust the color settings.
... • Custom Color: Allows you to set the video input mode to: • 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 own preset color mode. Allows you to 100. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Preset Modes Input Color Format Reset Color RGB YPbPr Hue Saturation Reset Color Use or to adjust the hue from 0 to manually adjust the color settings.
Monitor Users Guide
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... menu settings to unlock the buttons. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable Reset Menu • Menu Buttons: Through OSD to lock the Menu buttons. • Power Button: Through OSD to lock the Power button. • Menu + Power Buttons: Through OSD to lock the all of Menu and Power buttons. • Disable: Press and hold the button next to the power button for four seconds to factory defaults. 44 | Operating the monitor The buttons...
... menu settings to unlock the buttons. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Language Transparency Timer Lock Reset Menu Menu Buttons Power Button Menu + Power Buttons Disable Reset Menu • Menu Buttons: Through OSD to lock the Menu buttons. • Power Button: Through OSD to lock the Power button. • Menu + Power Buttons: Through OSD to lock the all of Menu and Power buttons. • Disable: Press and hold the button next to the power button for four seconds to factory defaults. 44 | Operating the monitor The buttons...
Monitor Users Guide
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... for best user experience and optimum performance of your computer. Enable this option to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on your monitor. Select Off to adjust the monitor settings using software on . Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Menu Personalize Firmware Service Tag Reset Others Others Factory Reset 46 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Display Info DDC/CI LCD Conditioning...
... for best user experience and optimum performance of your computer. Enable this option to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on your monitor. Select Off to adjust the monitor settings using software on . Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Menu Personalize Firmware Service Tag Reset Others Others Factory Reset 46 | Operating the monitor Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Display Info DDC/CI LCD Conditioning...
Monitor Users Guide
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... into Standby mode in 4 minutes. then turn on both your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: 1. S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 27 Monitor No DP Cable The display will go into Standby mode in 4 minutes. No HDMI Cable The display will go into Standby mode in self-test mode, the power LED remains white.
... into Standby mode in 4 minutes. then turn on both your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: 1. S2421HS/S2421HSX S2721HS/S2721HSX Dell 24 Monitor Dell 27 Monitor No DP Cable The display will go into Standby mode in 4 minutes. No HDMI Cable The display will go into Standby mode in self-test mode, the power LED remains white.
Monitor Users Guide
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... Button 1 on the surface of the screen changes to green, blue, black, white, and text screens. Select the built-in diagnostics: 1. If you are experiencing is an inherent problem with your monitor, or with your monitor is complete when the text screen appears. Repeat steps 5 and 6 to inspect the display when it changes to red. 6. Check the video card and computer. 52 | Troubleshooting Ensure that helps you determine if the screen...
... Button 1 on the surface of the screen changes to green, blue, black, white, and text screens. Select the built-in diagnostics: 1. If you are experiencing is an inherent problem with your monitor, or with your monitor is complete when the text screen appears. Repeat steps 5 and 6 to inspect the display when it changes to red. 6. Check the video card and computer. 52 | Troubleshooting Ensure that helps you determine if the screen...
Monitor Users Guide
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... and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. or too bright • Adjust brightness and contrast controls through brightness OSD. • Perform monitor self-test feature check. • Check for bent or broken pins in the video cable connector. • Run the built-in diagnostics. • Ensure that can occur in the Input Source menu. Troubleshooting | 53 bright spots • Pixel that is permanently off . Picture too dim • Reset the monitor to factory settings...
... and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. or too bright • Adjust brightness and contrast controls through brightness OSD. • Perform monitor self-test feature check. • Check for bent or broken pins in the video cable connector. • Run the built-in diagnostics. • Ensure that can occur in the Input Source menu. Troubleshooting | 53 bright spots • Pixel that is permanently off . Picture too dim • Reset the monitor to factory settings...
Monitor Users Guide
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... settings of screen • Alternatively, use image left on image displayed (for more information, see Power Management the monitor for bent or broken pins in the video cable connector. a long period of the Preset Modes in the Color menu OSD depending on the application. • Adjust R/G/B value under Custom Color in Color menu OSD. • Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD. • Run the built-in diagnostics. Product specific problems Problem...
... settings of screen • Alternatively, use image left on image displayed (for more information, see Power Management the monitor for bent or broken pins in the video cable connector. a long period of the Preset Modes in the Color menu OSD depending on the application. • Adjust R/G/B value under Custom Color in Color menu OSD. • Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD. • Run the built-in diagnostics. Product specific problems Problem...
Monitor Users Guide
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... turn on the keyboard. • Check whether the signal cable is not in the power saving mode by moving the mouse or pressing any key on the monitor. • Check the signal source. Troubleshooting | 55 Problem Cannot adjust the monitor with the buttons on the front panel No Input Signal when user controls are pressed The picture does not fill the entire screen What You Experience OSD does not appear on the screen No picture, the LED light...
... turn on the keyboard. • Check whether the signal cable is not in the power saving mode by moving the mouse or pressing any key on the monitor. • Check the signal source. Troubleshooting | 55 Problem Cannot adjust the monitor with the buttons on the front panel No Input Signal when user controls are pressed The picture does not fill the entire screen What You Experience OSD does not appear on the screen No picture, the LED light...
Monitor Display Manager Users Guide
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...Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Firmware Menu Personalize Service Tag Reset Others Others Factory Reset 4 | Overview Overview Dell Display Manager is enabled in the notification tray. Ensure that DDC/CI is a Microsoft Windows application used to manage a display or a group of automatic settings, energy management, window organization, image rotation, and other features on selected Dell displays. Standard S2421HS/S2421HSX Dell S2721HS/S2721HSX - Information about displays connected...
...Dell 24/27 Monitor Brightness/Contrast Display Info Input Source DDC/CI On Color LCD Conditioning O Display Firmware Menu Personalize Service Tag Reset Others Others Factory Reset 4 | Overview Overview Dell Display Manager is enabled in the notification tray. Ensure that DDC/CI is a Microsoft Windows application used to manage a display or a group of automatic settings, energy management, window organization, image rotation, and other features on selected Dell displays. Standard S2421HS/S2421HSX Dell S2721HS/S2721HSX - Information about displays connected...