Users Guide
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... Your Monitor 5 Package Contents 5 Product Features 6 Identifying Parts and Controls 7 Monitor Specifications 11 Plug and Play 23 LCD Monitor Quality & Pixel Policy 23 Setting Up the Monitor 24 Connecting the stand 24 Using the Tilt and Vertical Extension 26 Rotating the Monitor 27 Connecting Your Monitor 28 Removing the Monitor Stand 29 Wall Mounting (Optional 31 Operating the Monitor 32 Power On the Monitor 32 Using the Front-Panel Controls 32 Using the OSD Lock function 33 Using the On-Screen Display (OSD) Menu 33 Troubleshooting 41 Common Problems 41...
... Your Monitor 5 Package Contents 5 Product Features 6 Identifying Parts and Controls 7 Monitor Specifications 11 Plug and Play 23 LCD Monitor Quality & Pixel Policy 23 Setting Up the Monitor 24 Connecting the stand 24 Using the Tilt and Vertical Extension 26 Rotating the Monitor 27 Connecting Your Monitor 28 Removing the Monitor Stand 29 Wall Mounting (Optional 31 Operating the Monitor 32 Power On the Monitor 32 Using the Front-Panel Controls 32 Using the OSD Lock function 33 Using the On-Screen Display (OSD) Menu 33 Troubleshooting 41 Common Problems 41...
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... the sleep mode. 6 │ About Your Monitor Quick Setup Guide Safety and Regulatory Information Product Features The Dell D2421H/D2721H/D2421DS flat-panel display has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) Panel with DisplayPort and HDMI. • Height adjustment and pivot capability for D2421DS. • Plug and play capability if supported by your system. • On-Screen Display (OSD) adjustments for the panel only. • 0.5 W standby power when in .) diagonal viewable image size...
... the sleep mode. 6 │ About Your Monitor Quick Setup Guide Safety and Regulatory Information Product Features The Dell D2421H/D2721H/D2421DS flat-panel display has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) Panel with DisplayPort and HDMI. • Height adjustment and pivot capability for D2421DS. • Plug and play capability if supported by your system. • On-Screen Display (OSD) adjustments for the panel only. • 0.5 W standby power when in .) diagonal viewable image size...
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... Manufactured date: April 2020 4 DELL D2421H /Flat Panel Monitor Model No.: D2421H ශਭ / Rating 100-240V~ 50/60Hz 0.8A Made in China Manufactured date: April 2020 3 Label Description 1 VESA mounting holes (100 mm) 2 Security lock slot Back View with security lock (security lock not included). Appearance on the computer may vary. Secures monitor with Monitor Stand Use Supports optional mounting of illustration only. Identifying Parts and Controls NOTE: The graphics are...
... Manufactured date: April 2020 4 DELL D2421H /Flat Panel Monitor Model No.: D2421H ශਭ / Rating 100-240V~ 50/60Hz 0.8A Made in China Manufactured date: April 2020 3 Label Description 1 VESA mounting holes (100 mm) 2 Security lock slot Back View with security lock (security lock not included). Appearance on the computer may vary. Secures monitor with Monitor Stand Use Supports optional mounting of illustration only. Identifying Parts and Controls NOTE: The graphics are...
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... power connector 2 HDMI connector 3 VGA connector 4 Earphone connector Use To connect the monitor power cable. To connect your computer to the monitor using a HDMI cable. 3 Regulatory rating label with Barcode serial number 4 Stand release button Bottom View Lists the regulatory approvals. To connect your computer to contact Dell for technical support. To connect your earphone D2721H Front view 1 23 Label Description 1 Function buttons (For more information, see Operating the Monitor) 8 │ About Your Monitor Refer to this label if you need to...
... power connector 2 HDMI connector 3 VGA connector 4 Earphone connector Use To connect the monitor power cable. To connect your computer to the monitor using a HDMI cable. 3 Regulatory rating label with Barcode serial number 4 Stand release button Bottom View Lists the regulatory approvals. To connect your computer to contact Dell for technical support. To connect your earphone D2721H Front view 1 23 Label Description 1 Function buttons (For more information, see Operating the Monitor) 8 │ About Your Monitor Refer to this label if you need to...
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... monitor. Lists the regulatory approvals. Bottom View 1 23 Label Description Use 1 AC power connector To connect the monitor power cable. Refer to this label if you need to contact Dell for technical support. Secures monitor with Monitor Stand Use Supports optional mounting of the monitor using a VESA mount or arm. 2 Power On/Off button 3 LED indicator Back view 1 DELL D2721H /Flat Panel Monitor Model No.: D2721H ශਭ / Rating 100-240V~ 50/60Hz 1.0A Made in China Manufactured date: April 2020 4 DELL D2721H /Flat Panel Monitor Model...
... monitor. Lists the regulatory approvals. Bottom View 1 23 Label Description Use 1 AC power connector To connect the monitor power cable. Refer to this label if you need to contact Dell for technical support. Secures monitor with Monitor Stand Use Supports optional mounting of the monitor using a VESA mount or arm. 2 Power On/Off button 3 LED indicator Back view 1 DELL D2721H /Flat Panel Monitor Model No.: D2721H ශਭ / Rating 100-240V~ 50/60Hz 1.0A Made in China Manufactured date: April 2020 4 DELL D2721H /Flat Panel Monitor Model...
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To connect your computer to the monitor using a HDMI cable. 2 HDMI connector 3 VGA connector D2421DS Front view To connect your computer to the monitor using a VGA cable. 1 23 Label 1 2 3 Description Function buttons (For more information, see Operating the Monitor) Power On/Off button LED indicator Back view 1 2 3 10 │ About Your Monitor Back View with Monitor Stand
To connect your computer to the monitor using a HDMI cable. 2 HDMI connector 3 VGA connector D2421DS Front view To connect your computer to the monitor using a VGA cable. 1 23 Label 1 2 3 Description Function buttons (For more information, see Operating the Monitor) Power On/Off button LED indicator Back view 1 2 3 10 │ About Your Monitor Back View with Monitor Stand
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... Barcode serial number Use Supports optional mounting of the monitor using a VESA mount or arm. Bottom View 1 23 Label Description 1 AC power connector 2 HDMI connector 3 DP connector Use To connect the monitor power cable. To connect your computer to the monitor using a DP cable. Monitor Specifications Flat-Panel Specifications Model number Screen type Panel type Viewable image Diagonal Horizontal Active Area Vertical Active Area Area Pixel pitch D2421H Active matrix - Lists the regulatory approvals. To connect your computer to contact Dell for technical support. TFT LCD In...
... Barcode serial number Use Supports optional mounting of the monitor using a VESA mount or arm. Bottom View 1 23 Label Description 1 AC power connector 2 HDMI connector 3 DP connector Use To connect the monitor power cable. To connect your computer to the monitor using a DP cable. Monitor Specifications Flat-Panel Specifications Model number Screen type Panel type Viewable image Diagonal Horizontal Active Area Vertical Active Area Area Pixel pitch D2421H Active matrix - Lists the regulatory approvals. To connect your computer to contact Dell for technical support. TFT LCD In...
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... colors Color Gamut Connectivity Border width (edge of monitor to active area) Adjustability Height adjustable stand Tilt Pivot Security 72% NTSC(CIE 1931) and 83% NTSC(CIE 1976) 1x VGA, 1x HDMI 1.4, 1x Earphone (φ 3.5 mm) 6.25 mm (Side)/6.24 mm (Top)/22.26 mm (Bottom) N/A -5° to 20° N/A Security lock slot (cable lock sold separately) Model number Screen type Panel type Viewable image Diagonal Horizontal Active Area Vertical Active...
... colors Color Gamut Connectivity Border width (edge of monitor to active area) Adjustability Height adjustable stand Tilt Pivot Security 72% NTSC(CIE 1931) and 83% NTSC(CIE 1976) 1x VGA, 1x HDMI 1.4, 1x Earphone (φ 3.5 mm) 6.25 mm (Side)/6.24 mm (Top)/22.26 mm (Bottom) N/A -5° to 20° N/A Security lock slot (cable lock sold separately) Model number Screen type Panel type Viewable image Diagonal Horizontal Active Area Vertical Active...
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normal mode) 16.7 mil colors Color Gamut 99% sRGB(TYP) Connectivity 3x HDMI 1.4, 1x DP 1.2 Border width (edge of monitor to active area) Adjustability Height adjustable stand Tilt Pivot Security 7.08 mm (Side)/7.02 mm (Top)/19.83 mm (Bottom) 100 mm -3.5° to 21.5° 90° clockwise Security lock slot (cable lock sold separately) Resolution Specifications Model number Scan range • Horizontal • Vertical Maximum preset resolution D2421H/D2721H 30 kHz to...
normal mode) 16.7 mil colors Color Gamut 99% sRGB(TYP) Connectivity 3x HDMI 1.4, 1x DP 1.2 Border width (edge of monitor to active area) Adjustability Height adjustable stand Tilt Pivot Security 7.08 mm (Side)/7.02 mm (Top)/19.83 mm (Bottom) 100 mm -3.5° to 21.5° 90° clockwise Security lock slot (cable lock sold separately) Resolution Specifications Model number Scan range • Horizontal • Vertical Maximum preset resolution D2421H/D2721H 30 kHz to...
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.../hour (typical) Model number D2421H/D2721H/D2421DS RoHS Compliant yes BFR/PVC free Monitor (excluding external cables) no Power Management Modes If you have VESA's DPM compliance display card or software installed in your PC, the monitor automatically reduces its power consumption when not in use. The following table shows the power consumption and signaling of this automatic power-saving feature: D2421H VESA Modes Horizontal Vertical Video Power Power Consumption Sync Sync Indicator Normal operation Active Active Active BLUE 22 W (maximum...
.../hour (typical) Model number D2421H/D2721H/D2421DS RoHS Compliant yes BFR/PVC free Monitor (excluding external cables) no Power Management Modes If you have VESA's DPM compliance display card or software installed in your PC, the monitor automatically reduces its power consumption when not in use. The following table shows the power consumption and signaling of this automatic power-saving feature: D2421H VESA Modes Horizontal Vertical Video Power Power Consumption Sync Sync Indicator Normal operation Active Active Active BLUE 22 W (maximum...
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... other source, follow the set up instructions that was shipped with the stand. c. a. Assemble the stand riser to stand base. Place the monitor stand base on the computer may vary. Slide the monitor stand body in place. 24 │ Setting Up the Monitor NOTE: The following instructions are applicable only for the purpose of desk. Setting Up the Monitor Connecting the stand NOTE: The stand is not installed at the factory when shipped. (D2421H...
... other source, follow the set up instructions that was shipped with the stand. c. a. Assemble the stand riser to stand base. Place the monitor stand base on the computer may vary. Slide the monitor stand body in place. 24 │ Setting Up the Monitor NOTE: The following instructions are applicable only for the purpose of desk. Setting Up the Monitor Connecting the stand NOTE: The stand is not installed at the factory when shipped. (D2421H...
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... clean surface. Use a long screwdriver to push the release latch located in a hole just above the stand. 3. To remove the stand: D2421H 1. NOTE: The following procedure is released, remove the stand away from the monitor. Place the monitor panel on the computer may vary. VGA HDMI Connecting HDMI/DP Cable D2421DS DP HDMI Removing the Monitor Stand NOTE: To prevent scratches on the screen when removing the stand, ensure that shipped with your monitor...
... clean surface. Use a long screwdriver to push the release latch located in a hole just above the stand. 3. To remove the stand: D2421H 1. NOTE: The following procedure is released, remove the stand away from the monitor. Place the monitor panel on the computer may vary. VGA HDMI Connecting HDMI/DP Cable D2421DS DP HDMI Removing the Monitor Stand NOTE: To prevent scratches on the screen when removing the stand, ensure that shipped with your monitor...
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ComfortView User Color Color Vision Mode Information Optimize eye comfort with a TÜV-certified flicker-free screen. Each step will increase / decrease value by 1. Provides an optimum display environment depending on "Main Menu" can't be selected. When you : • Set the screen about Model Name, Input Source, Resolution, H. Frequency, Pixel Clock, Service Tag. Normal Warm Adds red to screen image for warmer white and richer red. Adds green to screen image for a darker color. NOTE: To reduce the risk of...
ComfortView User Color Color Vision Mode Information Optimize eye comfort with a TÜV-certified flicker-free screen. Each step will increase / decrease value by 1. Provides an optimum display environment depending on "Main Menu" can't be selected. When you : • Set the screen about Model Name, Input Source, Resolution, H. Frequency, Pixel Clock, Service Tag. Normal Warm Adds red to screen image for warmer white and richer red. Adds green to screen image for a darker color. NOTE: To reduce the risk of...
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...; Ensure that the video cable connecting the monitor and the computer is properly connected and secure. • Verify that the power outlet is functioning properly using any of the procedures in the video cable connector. • Ensure that the correct input source is selected via the Input Source select button. • Increase brightness & contrast controls via OSD. • Eliminate video extension cables. • Reset the monitor to Factory Reset. • Change the video resolution to the correct aspect...
...; Ensure that the video cable connecting the monitor and the computer is properly connected and secure. • Verify that the power outlet is functioning properly using any of the procedures in the video cable connector. • Ensure that the correct input source is selected via the Input Source select button. • Increase brightness & contrast controls via OSD. • Eliminate video extension cables. • Reset the monitor to Factory Reset. • Change the video resolution to the correct aspect...
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...; Reset the monitor to Factory Reset. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. • Perform monitor self-test feature check. • Ensure that the video cable connecting the monitor to the computer is connected properly and is scrambled • Reset the monitor to Factory Reset. Horizontal/Vertical Lines Screen has one or more lines • Reset the monitor to Factory Reset. • Perform Auto Adjust via OSD. • Adjust...
...; Reset the monitor to Factory Reset. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. • Perform monitor self-test feature check. • Ensure that the video cable connecting the monitor to the computer is connected properly and is scrambled • Reset the monitor to Factory Reset. Horizontal/Vertical Lines Screen has one or more lines • Reset the monitor to Factory Reset. • Perform Auto Adjust via OSD. • Adjust...
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... Ratio setting in the Display OSD. • Reset the monitor to Factory Reset. key, the message " • Check whether the signal cable is No input signal" will plugged in full screen. 44 │ Troubleshooting The picture cannot • Due to different video formats (aspect fill the height or ratio) of DVDs, the monitor may display width of the screen in properly. Adjust R/G/B value in User Color OSD if the Color Vision Mode is turned off the monitor, unplug the power cord, plug...
... Ratio setting in the Display OSD. • Reset the monitor to Factory Reset. key, the message " • Check whether the signal cable is No input signal" will plugged in full screen. 44 │ Troubleshooting The picture cannot • Due to different video formats (aspect fill the height or ratio) of DVDs, the monitor may display width of the screen in properly. Adjust R/G/B value in User Color OSD if the Color Vision Mode is turned off the monitor, unplug the power cord, plug...
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... page. 3. Setting Up Your Monitor D2421H/D2721H Setting display resolution to 1920 x 1080 For best performance, set the display resolution to 1920 x 1080 pixels by country and product, and some services may result in exposure to classic desktop. 2. Select the appropriate service or support link based on safety instructions, see the Product Information Guide(SERI). Verify your country or region in the Choose A Country/Region drop-down menu at...
... page. 3. Setting Up Your Monitor D2421H/D2721H Setting display resolution to 1920 x 1080 For best performance, set the display resolution to 1920 x 1080 pixels by country and product, and some services may result in exposure to classic desktop. 2. Select the appropriate service or support link based on safety instructions, see the Product Information Guide(SERI). Verify your country or region in the Choose A Country/Region drop-down menu at...
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... menu under Resolution and select 1920 x 1080. 4. Go to update the graphics driver: Dell computer 1. Right-click on the desktop and click Display Settings. 2. In Windows 10: 1. After installing the drivers for your graphics adapter, attempt to set the resolution to classic desktop. 2. In Windows 10: 1. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to 1920 x 1080 again. Click Advanced Settings. 5. Click Change Display Settings. 4. Non-Dell computer In Windows...
... menu under Resolution and select 1920 x 1080. 4. Go to update the graphics driver: Dell computer 1. Right-click on the desktop and click Display Settings. 2. In Windows 10: 1. After installing the drivers for your graphics adapter, attempt to set the resolution to classic desktop. 2. In Windows 10: 1. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to 1920 x 1080 again. Click Advanced Settings. 5. Click Change Display Settings. 4. Non-Dell computer In Windows...
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...-click on the desk top and click Display Settings. 2. Refer to classic desktop. 2. After installing the drivers for example, www. Right-click on the desktop and click Screen Resolution. 3. 3. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to the graphic card provider website for updated driver (for your computer or consider purchasing a graphics adapter that supports the video resolution. Click OK. Click Display adapter properties. 4.
...-click on the desk top and click Display Settings. 2. Refer to classic desktop. 2. After installing the drivers for example, www. Right-click on the desktop and click Screen Resolution. 3. 3. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to the graphic card provider website for updated driver (for your computer or consider purchasing a graphics adapter that supports the video resolution. Click OK. Click Display adapter properties. 4.
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... Windows 8.1 only, select the Desktop tile to switch to the graphic card provider website for updated driver (for example, www. Refer to 2560 x 1440 again. Click Advanced display settings. 3. AMD.com or www.NVIDIA.com). 6. Right-click on the desktop and click Personalization. 3. After installing the drivers for your graphics adapter, attempt to set the resolution to the graphic card provider website for updated driver...
... Windows 8.1 only, select the Desktop tile to switch to the graphic card provider website for updated driver (for example, www. Refer to 2560 x 1440 again. Click Advanced display settings. 3. AMD.com or www.NVIDIA.com). 6. Right-click on the desktop and click Personalization. 3. After installing the drivers for your graphics adapter, attempt to set the resolution to the graphic card provider website for updated driver...