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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... with HDMI & DP helps future-proof your monitor. • Plug and play capability if supported by your monitor | 7 About your computer. • On-Screen Display (OSD) adjustments for ease of set up and screen optimization. • Supports AMD FreeSync™ technology. • 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...
... with HDMI & DP helps future-proof your monitor. • Plug and play capability if supported by your monitor | 7 About your computer. • On-Screen Display (OSD) adjustments for ease of set up and screen optimization. • Supports AMD FreeSync™ technology. • 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...
Monitor Users Guide
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... the slot. About your display and access warranty information. The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your monitor | 9 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 (100 mm x 100...
... the slot. About your display and access warranty information. The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your monitor | 9 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 (100 mm x 100...
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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...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.) 8.9 kg (19.62 lb) 6.0 kg (13.23 lb) 4.3 kg (9.48 lb) 1.5 kg (3.31 lb) Compliant standards • ENERGY STAR certified Monitor • TCO Certified Display... 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 use.
...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.) 8.9 kg (19.62 lb) 6.0 kg (13.23 lb) 4.3 kg (9.48 lb) 1.5 kg (3.31 lb) Compliant standards • ENERGY STAR certified Monitor • TCO Certified Display... 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 use.
Monitor Users Guide
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.../S2721HS/S2421HSX/S2721HSX 3. Select Yes to the User's Guide. To unlock the Buttons, refer to lock the buttons. Select one of the following message appears. Using the OSD lock function You can lock the front-panel control buttons to prevent access to lock the button(s). 1 2 34 5 34 | Operating the monitor 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. Once locked, pressing any control button will display the lock icon Use...
.../S2721HS/S2421HSX/S2721HSX 3. Select Yes to the User's Guide. To unlock the Buttons, refer to lock the buttons. Select one of the following message appears. Using the OSD lock function You can lock the front-panel control buttons to prevent access to lock the button(s). 1 2 34 5 34 | Operating the monitor 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. Once locked, pressing any control button will display the lock icon Use...
Monitor Users Guide
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... describes the options to run the built-in diagnostics, see Built-in Diagnostics To unlock the button(s). Dell 24/27 Monitor Select Option: Dell 24/27 Monitor Select Option: Dell 24/27 Monitor Select Option: Operating the monitor | 35 Press and hold Button 4 for four seconds, a menu appears on the screen. Menu Buttons lock 2 Use this option to unlock the front-panel control buttons. 1. Menu and Power Buttons lock 4 Use this option to turn off the...
... describes the options to run the built-in diagnostics, see Built-in Diagnostics To unlock the button(s). Dell 24/27 Monitor Select Option: Dell 24/27 Monitor Select Option: Dell 24/27 Monitor Select Option: Operating the monitor | 35 Press and hold Button 4 for four seconds, a menu appears on the screen. Menu Buttons lock 2 Use this option to unlock the front-panel control buttons. 1. Menu and Power Buttons lock 4 Use this option to turn off the...
Monitor Users Guide
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... Diagnostics. 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 unlock OSD menu function. Menu Buttons unlock 2 Use this option to adjust the image settings. Built-in Diagnostics Front‑panel button Use the buttons on the front of the monitor to run the built-in diagnostics, see Built-in the OSD menu. OK 36 | Operating the monitor Menu and Power Buttons unlock 4 Use this...
... Diagnostics. 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 unlock OSD menu function. Menu Buttons unlock 2 Use this option to adjust the image settings. Built-in Diagnostics Front‑panel button Use the buttons on the front of the monitor to run the built-in diagnostics, see Built-in the OSD menu. OK 36 | Operating the monitor Menu and Power Buttons unlock 4 Use this...
Monitor Users Guide
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...to adjust the color setting mode. 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 HDMI Use to scan for available input signals. Auto Select Reset Input Source Color Use to select Auto Select to select the HDMI input source. Resets your monitor. Icon Menu and Submenus Description Input Source Use the Input Source menu to select between different video inputs that are be connected to your monitor's Input Source settings to the factory defaults.
...to adjust the color setting mode. 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 HDMI Use to scan for available input signals. Auto Select Reset Input Source Color Use to select Auto Select to select the HDMI input source. Resets your monitor. Icon Menu and Submenus Description Input Source Use the Input Source menu to select between different video inputs that are be connected to your monitor's Input Source settings to the factory defaults.
Monitor Users Guide
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...) using the HDMI, DP cable. • YPbPr: Select this option if your monitor is available only for Movie and FPS, RTS, RPG mode. Icon Menu and Submenus Input Color Format Description • Custom Color: Allows you to set the video input mode to: • RGB: Select this option if your DVD player supports only YPbPr output. 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...
...) using the HDMI, DP cable. • YPbPr: Select this option if your monitor is available only for Movie and FPS, RTS, RPG mode. Icon Menu and Submenus Input Color Format Description • Custom Color: Allows you to set the video input mode to: • RGB: Select this option if your DVD player supports only YPbPr output. 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...
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 Icon Menu...
... 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 Icon Menu...
Monitor Users Guide
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... to turn off this feature for best user experience and optimum performance of your computer. Enable this feature. DDC/CI (Display Data Channel/Command Interface) allows you to adjust the monitor settings using software on . Select Off to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on your monitor. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Reset Others Factory Reset...
... to turn off this feature for best user experience and optimum performance of your computer. Enable this feature. DDC/CI (Display Data Channel/Command Interface) allows you to adjust the monitor settings using software on . Select Off to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on your monitor. Dell 24/27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Reset Others Factory Reset...
Monitor Users Guide
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... the monitor cannot sense a video signal and is disconnected or damaged. 5. www.dell.com/S2421HS www.dell.com/S2421HSX S2421HS/S2421HSX www.dell.com/S2721HS www.dell.com/S2721HSX S2721HS/S2721HSX 4. Turn off both your computer and the monitor. While in this section, follow the Safety Instructions. Also, depending upon the selected input, one of the procedures in self-test mode, the power LED remains white. Troubleshooting | 51 Troubleshooting...
... the monitor cannot sense a video signal and is disconnected or damaged. 5. www.dell.com/S2421HS www.dell.com/S2421HSX S2421HS/S2421HSX www.dell.com/S2721HS www.dell.com/S2721HSX S2721HS/S2721HSX 4. Turn off both your computer and the monitor. While in this section, follow the Safety Instructions. Also, depending upon the selected input, one of the procedures in self-test mode, the power LED remains white. Troubleshooting | 51 Troubleshooting...
Monitor Users Guide
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... problem with your monitor, or with your monitor is clean (no dust particles on the surface of the screen changes to green, blue, black, white, and text screens. A gray screen appears. 4. Inspect the display for any screen abnormalities during the built-in diagnostic tool, the monitor is complete when the text screen appears. Press Button 1 on the screen. 3. Carefully inspect the screen for four seconds, a menu appears on the front panel...
... problem with your monitor, or with your monitor is clean (no dust particles on the surface of the screen changes to green, blue, black, white, and text screens. A gray screen appears. 4. Inspect the display for any screen abnormalities during the built-in diagnostic tool, the monitor is complete when the text screen appears. Press Button 1 on the screen. 3. Carefully inspect the screen for four seconds, a menu appears on the front panel...
Monitor Users Guide
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... 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 the correct input source is selected in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. Picture too dim • Reset the monitor to factory settings. Troubleshooting...
... 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 the correct input source is selected in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at : www.dell.com/support/monitors. Picture too dim • Reset the monitor to factory settings. Troubleshooting...
Monitor Users Guide
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... Display menu OSD. • Reset the monitor to factory settings. 54 | Troubleshooting Wrong Color Picture color not good • Change the settings of screen • Alternatively, use image left on image displayed (for more information, see Power Management the monitor for appears on screen, but does not fill entire viewing area Possible Solutions • Check the Aspect Ratio setting in diagnostics. Missing Color Picture missing color • Perform monitor self-test. • Ensure that the video cable connecting the malfunctions on monitor...
... Display menu OSD. • Reset the monitor to factory settings. 54 | Troubleshooting Wrong Color Picture color not good • Change the settings of screen • Alternatively, use image left on image displayed (for more information, see Power Management the monitor for appears on screen, but does not fill entire viewing area Possible Solutions • Check the Aspect Ratio setting in diagnostics. Missing Color Picture missing color • Perform monitor self-test. • Ensure that the video cable connecting the malfunctions on monitor...
Monitor Users Guide
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... 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 is plugged in diagnostics. Re-plug the signal cable if necessary. • Reset the computer or video player. • Due to different video formats (aspect ratio) of the screen Possible Solutions • Turn off the monitor, unplug the monitor power cable, plug it...
... 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 is plugged in diagnostics. Re-plug the signal cable if necessary. • Reset the computer or video player. • Due to different video formats (aspect ratio) of the screen Possible Solutions • Turn off the monitor, unplug the monitor power cable, plug it...
Monitor Display Manager Users Guide
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Standard S2421HS/S2421HSX Dell S2721HS/S2721HSX - 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 It enables manual adjustment of the displayed image, assignment of displays. Information about displays connected to communicate with your display. Standard S2721HS/S2721HSX NOTE: Dell Display Manager uses DDC/CI channel to the system is available when hovering over the notification-tray icon. Ensure that DDC/CI...
Standard S2421HS/S2421HSX Dell S2721HS/S2721HSX - 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 It enables manual adjustment of the displayed image, assignment of displays. Information about displays connected to communicate with your display. Standard S2721HS/S2721HSX NOTE: Dell Display Manager uses DDC/CI channel to the system is available when hovering over the notification-tray icon. Ensure that DDC/CI...
Monitor Display Manager Users Guide
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You can define a shortcut key to quickly switch to your Dell display. Please save your display are listed. Dell S2421HS/S2421HSX DP (Active) HDMI DP HDMI HDMI S2421HS/S2421HSX Dell S2721HS/S2721HSX DP (Active) HDMI DP HDMI HDMI S2721HS/S2721HSX Managing Multiple Video Inputs | 15 All video input ports available to quickly switch between them. You can give each input a name as you often work with multiple computers. Managing Multiple Video Inputs The Input Manager tab provides convenient ways...
You can define a shortcut key to quickly switch to your Dell display. Please save your display are listed. Dell S2421HS/S2421HSX DP (Active) HDMI DP HDMI HDMI S2421HS/S2421HSX Dell S2721HS/S2721HSX DP (Active) HDMI DP HDMI HDMI S2721HS/S2721HSX Managing Multiple Video Inputs | 15 All video input ports available to quickly switch between them. You can give each input a name as you often work with multiple computers. Managing Multiple Video Inputs The Input Manager tab provides convenient ways...