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Dell E2221HN/E2421HN

User’s Guide

Monitor Model: E2221HN/E2421HN
Regulatory Model: E2221HNf, E2421HNf

Summary of Contents for E2221HN

Page 1: ...Dell E2221HN E2421HN User s Guide Monitor Model E2221HN E2421HN Regulatory Model E2221HNf E2421HNf ...

Page 2: ...damage to hardware or loss of data if instructions are not followed 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 of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners 2020 12 Rev A02 ...

Page 3: ...ity 16 LCD monitor quality and pixel policy 16 Maintenance guidelines 16 Setting up the monitor 17 Connecting the stand 17 Connecting your monitor 19 Organizing cables 19 Removing the stand 20 Operating your monitor 23 Turning on the monitor 23 Using the front panel controls 23 Using the On Screen Display OSD menu 25 Setting up display resolution on your monitor 37 Using tilt 39 ...

Page 4: ... test 40 Built in diagnostics 41 Common problems 42 Product specific problems 44 Appendix 45 FCC Notices U S Only and Other Regulatory Information 45 Contact Dell 45 EU product database for energy label and product information sheet 45 ...

Page 5: ...ntact Dell if anything is missing NOTE Some items may be optional and may not ship with your monitor Some features may not be available in certain countries NOTE To set up Stand from any other source refer to the documentation comes with the Stand for instruction Component image Component description Display Stand riser Stand base VESA Screw Cover Power cable varies by country ...

Page 6: ...ions E2421HN Wide viewing angles of 178 degrees in vertical and horizontal directions Dynamic contrast ratio 1 000 1 Digital connectivity with HDMI Plug and play capable if supported by your computer On Screen Display OSD adjustments for easy setup and screen optimization 0 3 W in Standby Mode Optimize eye comfort with a flicker free screen Possible long term effects if blue light emission from th...

Page 7: ...ings if required For more information see Using the front panel controls 2 Power On Off button with LED indicator To turn the monitor On or Off Solid white light indicates that the monitor is turned on and functioning normally Blinking white light indicates that the monitor is in Standby Mode Back view With monitor stand 5 4 Without monitor stand 1 3 2 ...

Page 8: ...chnicians to identify the hardware components in your computer and access warranty information 3 Regulatory information List the regulatory approvals 4 Cable management slot To organize the cables 5 Stand release button Release stand from monitor Side view Bottom view without monitor stand 1 3 2 Label Description Use 1 Power port To connect the monitor power cable 2 HDMI port For connection to you...

Page 9: ...250 cd m typical 250 cd m typical Contrast ratio 1 000 to 1 typical 1 000 to 1 typical Faceplate coating Anti glare with 3H hardness Anti glare with 3H hardness Backlight LED light bar system LED light bar system Response time Normal mode Fast mode 5 ms 8 ms 5 ms Color depth 16 7 million colors 16 7 million colors Color gamut 72 CIE1931 83 CIE1976 72 CIE1931 83 CIE1976 Dell display manager compati...

Page 10: ...lay modes Display mode Horizontal frequency kHz Vertical frequency Hz Pixel clock MHz Sync polarity Horizontal Vertical VESA 720 x 400 31 5 70 1 28 3 VESA 640 x 480 31 5 60 0 25 2 VESA 640 x 480 37 5 75 0 31 5 VESA 800 x 600 37 9 60 3 40 0 VESA 800 x 600 46 9 75 0 49 5 VESA 1024 x 768 48 4 60 0 65 0 VESA 1024 x 768 60 0 75 0 78 8 VESA 1152 x 864 67 5 75 0 108 0 VESA 1280 x1024 64 0 60 0 108 0 VESA...

Page 11: ...Wh TEC 3 Model E2421HN Video input signals Analog RGB 0 7 V 5 75 Ω input impedance HDMI 1 4 HDCP 1 2 600 mV for each differential line 100 Ω input impedance per differential pair Synchronization input signals Separate horizontal and vertical synchronizations polarity free TTL level SOG Composite SYNC on green AC input voltage frequency current 100 VAC to 240 VAC 50 Hz or 60 Hz 3 Hz 0 8 A Inrush cu...

Page 12: ...d not rely upon this information in making decisions about electrical tolerances or otherwise No warranty as to accuracy or completeness is expressed or implied NOTE This monitor is ENERGY STAR certified This product qualifies for ENERGY STAR in the factory default settings which can be restored by Factory Reset function in the OSD menu Changing the factory default settings or enabling other featu...

Page 13: ...ith stand E2221HN E2421HN Height 397 30 mm 15 64 in 419 70 mm 16 52 in Width 512 20 mm 20 17 in 550 60 mm 21 68 in Depth 171 00 mm 6 73 in 171 00 mm 6 73 in Dimensions without stand E2221HN E2421HN Height 303 70 mm 11 96 in 326 50 mm 12 85 in Width 512 20 mm 20 17 in 550 60 mm 21 68 in Depth 52 40 mm 2 06 in 52 40 mm 2 06 in Stand dimensions E2221HN E2421HN Height 176 90 mm 6 96 in 176 90 mm 6 96 ...

Page 14: ...pping 20 C to 60 C 4 F to 140 F Humidity Operating 10 to 80 non condensing Non operating Storage Shipping 5 to 90 non condensing Altitude Operating maximum 5 000 m 16 400 ft Non operating maximum 12 192 m 40 000 ft Model E2221HN E2421HN Thermal dissipation 54 59 BTU hour maximum 44 36 BTU hour typical 68 24 BTU hour maximum 51 18 BTU hour typical ...

Page 15: ...10 GND sync 11 GND 12 DDC data 13 H sync 14 V sync 15 DDC clock Pin Number Signal Assignment 1 TMDS DATA 2 2 TMDS DATA 2 SHIELD 3 TMDS DATA 2 4 TMDS DATA 1 5 TMDS DATA 1 SHIELD 6 TMDS DATA 1 7 TMDS DATA 0 8 TMDS DATA 0 SHIELD 9 TMDS DATA 0 10 TMDS CLOCK 11 TMDS CLOCK SHIELD 12 TMDS CLOCK 13 CEC 14 Reserved N C on device 15 DDC CLOCK SCL 16 DDC DATA SDA 17 DDC CEC Ground 18 5 V POWER 19 HOT PLUG DE...

Page 16: ...https www dell com support monitors Maintenance guidelines Cleaning your monitor WARNING Before cleaning the monitor unplug the monitor power cable from the electrical outlet CAUTION Read and follow the Safety instructions before cleaning the monitor For best practices follow these instructions while unpacking cleaning or handling your monitor To clean your screen lightly dampen a soft and clean c...

Page 17: ...d E2221HN 1 Assemble the stand riser to stand base a Place the monitor stand base on a stable table top b Slide the monitor stand body in the correct direction down onto the stand base until it clicks into place 2 Attach the stand assembly to the monitor a Place the monitor on a soft cloth or cushion near the edge of desk b Align the stand assembly bracket to the monitor groove c Insert the bracke...

Page 18: ... Assemble the stand riser to stand base a Place the monitor stand base on a stable table top b Slide the monitor stand body in the correct direction down onto the stand base until it clicks into place 2 Attach the stand assembly to the monitor a Place the monitor on a soft cloth or cushion near the edge of desk b Align the stand assembly bracket to the monitor groove c Insert the bracket towards m...

Page 19: ...efore you connect them to the monitor 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 To connect your monitor to the computer 1 Turn off your computer and disconnect the power cable 2 Connect HDMI or VGA cable from your monitor to the computer Connecting HDMI VGA cable Organizing ...

Page 20: ...hat shipped with your monitor To remove the stand E2221HN 1 a Place the monitor on a soft cloth along the desk b Remove VESA cover to access the release button 2 a Use a long and thin screwdriver to push the release latch located in a hole just above the stand b Once the latch is released remove the base away from the monitor c Press down on the quick release tab latch on the bottom of the base to...

Page 21: ...hat shipped with your monitor To remove the stand E2421HN 1 a Place the monitor on a soft cloth along the desk b Remove VESA cover to access the release button 2 a Use a long and thin screwdriver to push the release latch located in a hole just above the stand b Once the latch is released remove the base away from the monitor c Press down on the quick release tab latch on the bottom of the base to...

Page 22: ...ble 2 Remove the stand 3 Use a screwdriver to remove the four screws securing the plastic cover 4 Attach the mounting bracket from the wall mounting kit to the LCD 5 Mount the LCD on the wall by following the instructions that came with the base mounting kit NOTE For use only with UL or CSA or GS listed wall mount bracket with minimum weight load bearing capacity of 10 80 kg 23 80 lb for E2221HN 1...

Page 23: ...se this button to choose from a list of preset modes 2 Brightness Contrast For direct access to the Brightness and Contrast menu 3 Menu To launch the On Screen Display OSD menu or to access the list of items options of a menu item For more information see Accessing the OSD menu 4 Exit To exit or return to the OSD main menu 5 Power button with power status light To turn the monitor On or Off Solid ...

Page 24: ...e image settings 1 2 3 4 Control buttons Description 1 Up Use the Up button to increase values or move up in a menu 2 Down Use the Down button to decrease values or move down in a menu 3 OK Use the OK button to confirm your selection in a menu 4 Back Use the Back button to go back to the previous menu ...

Page 25: ...l 2X Monitor Brightness Contrast Auto Adjust Input Source 75 75 Color Display Menu Personalize Others 2 Press the and buttons to move between the setting options As you move from one icon to another the option name is highlighted 3 Press the button once to activate the highlighted option 4 Press and button to select the desired parameter 5 Press and then use the and buttons according to the indica...

Page 26: ...rightness adjusts the luminance of the backlight Press the button to increase the brightness and press the button to decrease the brightness min 0 max 100 Contrast Adjust the brightness first and then adjust the contrast only if further adjustment is necessary Press the button to increase the contrast and press the button to decrease the contrast min 0 max 100 The contrast function adjusts the deg...

Page 27: ...ars on a black screen as the monitor self adjusts to the current input Auto Adjustment in Progress Auto Adjust allows the monitor to self adjust to the incoming video signal After using Auto Adjustment you can further tune your monitor by using the Pixel Clock Coarse and Phase Fine controls under Display NOTE Auto Adjust does not occur if you press the button while there are no active video input ...

Page 28: ...Menu Personalize Others On VGA Push to select the VGA input source when using VGA connector HDMI Push to select the HDMI input source when using HDMI connector Auto Select Select Auto Select to scan for available input signals Reset Input Source Select this option to restore default input source Color Use color to adjust the color setting mode Dell 2X Monitor Brightness Contrast Auto Adjust Input ...

Page 29: ...moisten or lubricate your eyes Take regular 20 minute breaks every two hours Look away from your monitor and gaze at a distant object at 20 feet away for at least 20 seconds during the breaks Perform stretches to relieve tension in the neck arm back shoulders during the breaks Warm Increase the color temperature The screen appears warmer with a red yellow tint Cool Decrease the color temperature T...

Page 30: ...he factory settings Display Use the display to adjust image Dell 22 Monitor Brightness Contrast Auto Adjust Input Source Color Aspect Ratio Horizontal Position Vertical Position Sharpness Pixel Clock Phase Reset Display Display Menu Personalize Others Wide 16 9 50 E2221HN E2421HN Dell XX Monitor Brightness Contrast Auto Adjust Input Source Color Aspect Ratio Horizontal Position Vertical Position S...

Page 31: ...ight Minimum is 0 Maximum is 100 Vertical Position VGA input only Use the or to move image up and down Minimum is 0 Maximum is 100 Sharpness This feature can make the image look sharper or softer Use or to adjust the sharpness from 0 to 100 Pixel Clock VGA input only The Pixel Clock feature enables you to adjust image quality on your monitor according to your preference Use or buttons to adjust fo...

Page 32: ...guese Russian Simplified Chinese or Japanese Transparency Select this option to change the menu transparency by pressing the or buttons from 0 to 100 Timer OSD hold time sets the length of time the OSD will remain active after the last time you pressed a button Use or to adjust the slider in 1 second increments from 5 to 60 seconds Lock Controls user access to adjustments When Lock is selected no ...

Page 33: ... Preset Modes Brightness Contrast On in On Mode ShortcutKey1 Allow you to select one of the following Preset Modes Brightness Contrast Auto Adjust Input Source Aspect Ratio to set the shortcut key 1 ShortcutKey2 Allow you to select one of the following Preset Modes Brightness Contrast Auto Adjust Input Source Aspect Ratio to set the shortcut key 2 Power Button LED Allow you to set the power LED in...

Page 34: ...or Display Menu Personalize Others Display Info DDC CI LCD Conditioning Service Tag Reset Others Factory Reset Model Dell E2X21HN Input Source VGA Current 1920x1080 60Hz DDC CI DDC CI Display Data Channel Command Interface allows you to adjust the monitor settings using software on your computer Select Off to turn off this feature Enable this feature for best user experience and optimum performanc...

Page 35: ... Service Tag number of the monitor Dell 2X Monitor Brightness Contrast Auto Adjust Input Source Color Display Menu Personalize Others Display Info DDC CI LCD Conditioning Reset Others Factory Reset Service Tag On Off ABCDEFG ENERGY STAR Reset Others Reset all settings under the Others setting menu to the factory default Factory Reset Restore all preset values to the factory default setting These a...

Page 36: ... level above the default level Dell 2X Monitor Adjusting to this value will increase power consumption above the default level Do you want to continue E2X21HN No Yes When the monitor enters Standby mode the following message appears Dell 2X Monitor Going into Standby mode E2X21HN If VGA or HDMI cable is not connected a floating dialog box appears The monitor will enter Standby mode after 4 minutes...

Page 37: ... and select 1920 x 1080 4 Click OK In Windows 10 1 Right click on the desktop and click Display Settings 2 Click Advanced Display Settings 3 Click the drop down menu under Resolution and select 1920 x 1080 4 Click Apply If you do not see the recommended resolution as an option you may need to update your graphics driver Use one of the following methods to update the graphics driver Dell computer 1...

Page 38: ...escription at the top of the window For example NVIDIA AMD Intel and so on 6 Refer to the graphic card provider website for updated driver For example https www AMD com or https www NVIDIA com 7 After installing the drivers for your graphics adapter attempt to set the resolution to 1920 x 1080 again In Windows 10 1 Right click on the desktop and click Display Settings 2 Click Advanced display sett...

Page 39: ...Operating your monitor 39 Using tilt You can tilt the monitor for the most comfortable viewing angle NOTE The stand is not attached when the monitor is shipped from the factory 5 21 ...

Page 40: ...involved 3 Turn on the monitor If the monitor is working correctly it detects that there is no signal and one of the following message appears While in self test mode the power LED remains white E2221HN Dell 22 Monitor No HDMI Cable www dell com E2221HN The display will go into Standby mode in 4 minutes E2221HN E2421HN Dell 24 Monitor No HDMI Cable www dell com E2421HN The display will go into Sta...

Page 41: ...s clean no dust particles on the surface of the screen 2 Press and Hold Button 1 for about 4 seconds and wait for a pop up menu 3 Press Button 3 or 4 to select the diagnostic tool and confirm with Button 2 A gray test pattern appears at the beginning of the diagnostic program 4 Carefully inspect the screen for abnormalities 5 Press Button 4 to change the test patterns 6 Repeat steps 4 and 5 to ins...

Page 42: ...spect ratio Shaky Jittery video Reset the monitor to Factory Settings Factory Reset Check environmental factors Relocate the monitor and test in another room Missing pixels Cycle power On off 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...

Page 43: ...t problems Try different Preset Modes in Color settings OSD Adjust R G B value in Custom Color in Color settings OSD Change the Input Color Format to RGB or YPbPr in the Color settings OSD Run the built in diagnostics Image retention from a static image left on the monitor for a long period of time Set the screen to turn off after a few minutes of screen idle time These can be adjusted in Windows ...

Page 44: ...ord plug it back and then turn on the monitor No input signal when user controls are pressed Check the signal source Ensure that the computer is not in standby or sleep mode by moving the mouse or pressing any key on the keyboard Check if the video cable is plugged in properly Disconnect and reconnect the video cable if necessary Reset the computer or video player The picture does not fill the ent...

Page 45: ...r purchase invoice packing slip bill or Dell product catalog Dell provides several online and telephone based support and service options Availability varies by country and product and some services may not be available in your area To get online Monitor support content visit https www dell com support monitors To contact Dell for sales technical support or customer service issues 1 Visit https ww...

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