Dell D2721H Users Guide

Dell D2721H Manual

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  • Dell D2721H | Users Guide - Page 1
    Dell Monitor D2421H/D2721H/D2421DS User's Guide Monitor Model: D2421H/D2721H/D2421DS Regulatory Model: D2421Ho/D2721Ho/D2421DSo
  • Dell D2721H | Users Guide - Page 2
    A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage . Copyright © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
  • Dell D2721H | Users Guide - Page 3
    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  │ 3
  • Dell D2721H | Users Guide - Page 4
    Product-Specific Problems 44 Appendix 45 Safety Instructions 45 Contact Dell 45 Setting Up Your Monitor 45 Setting Up Your Monitor 47 Maintenance Guidelines 49 4 │ 
  • Dell D2721H | Users Guide - Page 5
    shown below. Ensure that you have received all the components and Contact Dell if anything is missing. NOTE: Some items may be optional and may b. D2421H/D2721H Stand Riser a b c a. D2421DS b. D2421H c. D2721H a b c Stand base a. D2421DS b. D2421H c. D2721H Screws x 2 (D2721H) Power
  • Dell D2721H | Users Guide - Page 6
    The Dell D2421H/D2721H/D2421DS flat-panel display has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) Panel with LED backlight. The monitor features include: • D2421H: 60.5 cm (23.8 in.) diagonal viewable image size, 1920 x 1080 resolution, plus full-screen support for
  • Dell D2721H | Users Guide - Page 7
    see Operating the Monitor) Power On/Off button LED indicator Back view 1 2 DELL D2421H /Flat Panel Monitor Model No.: D2421H ශਭ / Rating 100-240V~ 50/ 100 mm) 2 Security lock slot Back View with Monitor Stand Use Supports optional mounting of the monitor using a VESA mount or arm. Secures
  • Dell D2721H | Users Guide - Page 8
    approvals. Refer to this label if you need to contact Dell for technical support. Release stand from monitor. 1 234 Label Description 1 AC computer to the monitor using a VGA cable. To connect your earphone D2721H Front view 1 23 Label Description 1 Function buttons (For more information,
  • Dell D2721H | Users Guide - Page 9
    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 No.: D2721H label if you need to contact Dell for technical support. Release stand from monitor. Bottom
  • Dell D2721H | Users Guide - Page 10
    2 HDMI connector 3 VGA connector D2421DS Front view To connect your computer to the monitor using a HDMI cable. 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
  • Dell D2721H | Users Guide - Page 11
    approvals. Refer to this label if you need to contact Dell for technical support. Bottom View 1 23 Label Description 1 AC power connector 46 mm (11.67 in.) 156246.27 mm² (242.27 in.²) 0.2745 x 0.2745 mm D2721H Active matrix - TFT LCD In-Plane Switching Technology 686.0 mm (27 in.) 597.89 mm
  • Dell D2721H | Users Guide - Page 12
    Pixel per inch (PPI) 92 81 Viewing angle Horizontal Vertical Brightness Contrast ratio 178° (typical) 178° (typical) 250 cd/m² (typical) 1000 to 1 (typical) 178° (typical) 178° (typical) 250 cd/m² (typical) 1000 to 1 (typical) Faceplate coating Backlight Anti-glare with hard-coating 3H
  • Dell D2721H | Users Guide - Page 13
    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 83 kHz (automatic) 50 Hz to 75 Hz (automatic) 1920 x 1080 at 60 Hz D2421DS 30 kHz to 83 kHz
  • Dell D2721H | Users Guide - Page 14
    1080i, 1080p 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Preset Display Modes The following table lists the preset modes for which Dell guarantees image size and centering: D2421H/D2721H Display Mode VESA, 720 x 400 VESA, 640 x 480 VESA, 640 x 480 VESA, 800 x 600 VESA, 800 x 600 VESA, 1024 x 768
  • Dell D2721H | Users Guide - Page 15
    VAC / 50 Hz or 60 Hz ± 3 Hz / 0.8 A (typical) frequency / current Inrush current 120 V: 30 A (Max.) 240 V: 60 A (Max.) Model number D2721H Video input signals Synchronization input signals • Analog RGB: 0.7 V ± 5 %, 75 ohm input impedance • HDMI 1.4 (HDCP 1.4), 150 mV=
  • Dell D2721H | Users Guide - Page 16
    (21.24 in.) Depth 40.8 mm (1.61 in.) Stand dimensions: Height 176.4 mm (6.94 in.) Width 199.9 mm (7.87 in.) Depth 176.9 mm (6.96 in.) D2721H • Analog: D-Sub, 15 pins • Digital: HDMI, 19 pins 478.5 mm (18.84 in.) 611.8 mm (24.09 in.) 236.9 mm (9.33 in.) 364.2 mm (14
  • Dell D2721H | Users Guide - Page 17
    Weight: Weight with packaging 4.9 Kg (10.80 lb) Weight with stand assembly 3.8 Kg (8.38 lb) and cables Weight without stand 3.2 Kg (7.05 lb) assembly (For wall mount or VESA mount considerations - no cables) Weight of stand assembly 0.3 Kg (0.66 lb) 6.0 Kg (13.23 lb) 4.8 Kg (10.58 lb) 4.0
  • Dell D2721H | Users Guide - Page 18
    95.53 BTU/hour (maximum) 85.3 BTU/hour (typical) D2421DS 119.42 BTU/hour (maximum) 102.36 BTU/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
  • Dell D2721H | Users Guide - Page 19
    off - Inactive Blank ORANGE Less than 0.5 W - - Off Less than 0.5 W * Power Consumption Pon 14.7 W Total Energy Consumption (TEC) 45.7 kWh D2721H VESA Modes Horizontal Vertical Sync Sync Normal operation Active Active Video Active Active-off mode Inactive Switch off - Inactive
  • Dell D2721H | Users Guide - Page 20
    and shall have no obligation to update such information. Accordingly, the customer should not rely upon this information in making decisions about electrical tolerances or otherwise. No warranty as to accuracy or completeness is expressed or implied. Activate the computer and monitor to gain access
  • Dell D2721H | Users Guide - Page 21
    HDMI connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19-pin Side of the Connected Signal Cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0TMDS CLOCK TMDS CLOCK SHIELD TMDS CLOCKNo Connection
  • Dell D2721H | Users Guide - Page 22
    DP connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20-pin side of the connected signal cable ML_LANE3_N GND ML_LANE3_P ML_LANE2_N GND ML_LANE2_P ML_LANE1_N GND ML_LANE1_P ML_LANE0_N GND ML_LANE0_P GND GND AUX _CH_P GND AUX _CH_N HPD RETURN DP_PWR 22 │ About Your Monitor
  • Dell D2721H | Users Guide - Page 23
    unchanging state which are hard to see and do not affect the display quality or usability. For more information on LCD Monitor Pixel Policy, see Dell support site at: www.dell.com/pixelguidelines. About Your Monitor │ 23
  • Dell D2721H | Users Guide - Page 24
    at the factory when shipped. (D2421H/D2721H) NOTE: The stand is installed at the factory when shipped. (D2421DS) NOTE: The graphics are used for the purpose of illustration only. Appearance on the computer may vary. NOTE: The following instructions are applicable only for attaching the stand
  • Dell D2721H | Users Guide - Page 25
    D2721H 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 downward direction
  • Dell D2721H | Users Guide - Page 26
    Using the Tilt and Vertical Extension Tilt With the stand assembly, you can tilt the monitor for the most comfortable viewing angle. D2421H 5° 20° D2721H 5° 20° D2421DS 3.5° 21.5° 26 │ Setting Up the Monitor
  • Dell D2721H | Users Guide - Page 27
    NOTE: The stand base is detached when the monitor is shipped from the factory. Vertical Extension NOTE: The stand extends vertically up to 100 mm. The figure below illustrates how to extend the stand vertically. 100mm Rotating the Monitor Before you rotate the monitor, your monitor should be fully
  • Dell D2721H | Users Guide - Page 28
    the "Safety Instructions". NOTE: Do not connect all cables to the computer at the same time. NOTE: Dell monitors are designed to work optimally with Dell supplied inbox cables. Dell does not guarantee Cable and Earphone D2421H VGA HDMI Connecting VGA/HDMI Cable D2721H 28 │ Setting Up the Monitor
  • Dell D2721H | Users Guide - Page 29
    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 the monitor is placed on a soft and clean surface. NOTE: The following procedure is applicable for the stand that shipped with your monitor. NOTE
  • Dell D2721H | Users Guide - Page 30
    4. Press the tenons inwardly and pull the base from stand to remove. D2721H 1. Place the monitor panel on a soft cloth or cushion. 2. Use a screwdriver to loosen the two screws at the top of the stand, Use a long screwdriver
  • Dell D2721H | Users Guide - Page 31
    stable flat table. 2. Remove the stand. 3. Remove 4 screws from wall hanging hole. (D2421H/D2721H) 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-listed
  • Dell D2721H | Users Guide - Page 32
    Mode. Use this button to select the OSD menu. When not in OSD menu, directly enters Input Source from a list 4 of VGA, HDMI, Auto (D2421H/D2721H). When not in OSD menu, directly enters Input Source from a list of HDMI1, HDMI2, HDMI3, DP, Auto (D2421DS). 32 │ Operating the Monitor
  • Dell D2721H | Users Guide - Page 33
    Fine Tune) and Clock (H. Size) of the screen. NOTE: Only available for D-SUB input. D2421H D2721H Auto Adjust Contrast/Brightness Input Source Audio Adjust Color Adjust Information Manual Image Adjust Setup Menu Factory Reset Auto Adjust Contrast/Brightness Input Source Color Adjust Information
  • Dell D2721H | Users Guide - Page 34
    Contrast/ Brightness Use the Contrast/Brightness menu to adjust the Contrast/ Brightness/DCR/ECO. D2421H D2721H Contrast/Brightness Contrast 75 Brightness 75 DCR ECO Contrast/Brightness Contrast 75 Brightness 75 DCR ECO 1:Exit Select:2 D2421DS Contrast/Brightness Contrast 75 Brightness 75
  • Dell D2721H | Users Guide - Page 35
    Input Source Use the Input Source menu to select between different video signals that may be connected to your monitor. D2421H D2721H Input Source VGA HDMI Auto Input Source VGA HDMI Auto 1:Exit D2421DS Input Source HDMI1 HDMI2 HDMI3 DP Auto 1:Exit VGA HDMI DP Auto 1:Exit
  • Dell D2721H | Users Guide - Page 36
    . When you select Color Adjust, you can choose Cool, Normal, Warm, ComfortView, User Color and Color Vision Mode from the list. D2421H D2721H Color Adjust Color Adjust Cool Normal Warm ComfortView User Color Color Vision Mode Cool Normal Warm ComfortView User Color Color Vision Mode 1:Exit
  • Dell D2721H | Users Guide - Page 37
    /Brightness" option on "Main Menu" can't be selected. When you select Information, displays the data about Model Name, Input Source, Resolution, H. Frequency, V. Frequency, Pixel Clock, Service Tag. Operating the Monitor │ 37
  • Dell D2721H | Users Guide - Page 38
    you can choose H./V. Position, Clock, Phase, Sharpness, Aspect Ratio and Response Time from the list. (D2421H/D2721H) D2421H D2721H Manual Image Adjust Manual Image Adjust H./V. Position Clock Phase Sharpness Aspect Ratio Response Time H./V. Position Clock Phase Sharpness Aspect Ratio Response
  • Dell D2721H | Users Guide - Page 39
    Menu When you select Setup Menu, you can choose Language Select, OSD Position, OSD Time Out and OSD Background from the list. D2421H D2721H Setup Menu Language OSD Position OSD Time Out OSD Background Setup Menu Language OSD Position OSD Time Out OSD Background 1:Exit D2421DS Select:2 Setup
  • Dell D2721H | Users Guide - Page 40
    If VGA or DP or HDMI cable is not connected, a floating dialog box as shown below appears. The monitor will enter sleep mode, and the LED indicates color will be orange. No Signal See Troubleshooting for more information. 40 │ Operating the Monitor
  • Dell D2721H | Users Guide - Page 41
    Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions Common Problems The following table contains general information about common monitor problems you might encounter and the possible solutions. Common Symptoms No Video/Power LED off
  • Dell D2721H | Users Guide - Page 42
    Pixels Stuck-on Pixels Brightness Problems Geometric Distortion Wavy picture or occur in LCD technology. For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at: www.dell.com/pixelguidelines. LCD screen has bright spots are not available. 42 │ Troubleshooting
  • Dell D2721H | Users Guide - Page 43
    computer in the safe mode. Safety-Related Issues Visible signs of smoke or sparks • Do not perform any troubleshooting steps. • Contact Dell immediately. Intermittent Problems Monitor malfunctions on & off Missing Color Picture missing color • Ensure that the video cable connecting the monitor
  • Dell D2721H | Users Guide - Page 44
    turned off. NOTE: When choosing HDMI mode, the Auto Adjust function is not available. Product-Specific Problems Specific Symptoms Screen image is too small Cannot adjust the monitor with the buttons on the front the monitor may display width of the screen in full screen. 44 │ Troubleshooting
  • Dell D2721H | Users Guide - Page 45
    instructions, see the Product Information Guide(SERI). Contact Dell 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
  • Dell D2721H | Users Guide - Page 46
    you may need to update your graphics driver. Use one of the following methods to update the graphics driver: Dell computer 1. Go to www.dell.com/support, enter your service tag, and download the latest driver for your graphics card. 2. After installing the drivers for your graphics adapter, attempt
  • Dell D2721H | Users Guide - Page 47
    you are unable to set the recommended resolution, please contact the manufacturer of your computer or consider purchasing a graphics adapter that supports the video resolution. Setting Up Your Monitor D2421DS Setting display resolution to 2560 x 1440 For best performance, set the display resolution
  • Dell D2721H | Users Guide - Page 48
    computer 1. Go to www.dell.com/support, enter your service tag, and download the latest driver for your graphics card. 2. After installing the drivers for your graphics adapter, attempt to set the resolution to 2560 x
  • Dell D2721H | Users Guide - Page 49
    the monitor. WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet. For best practices, follow the instructions in the list below while unpacking, cleaning, or handling your monitor: • To clean your antistatic screen, slightly dampen a soft, clean cloth
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Monitor Model: D2421H/D2721H/D2421DS
Regulatory Model: D2421Ho/D2721Ho/D2421DSo
Dell Monitor
D2421H/D2721H/D2421DS
User’s Guide