Dell Monitor D2720DS User’s Guide Model: D2720DS Regulatory model: D2720DSt
NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: 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, personal injury, or death. Copyright © 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
Contents About Your Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Identifying Parts and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Product Specific Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
About Your Monitor Package Contents Your monitor ships with the components shown below. Make sure that you have received all the components and contact Dell if something is missing. NOTE: Some items may be optional and may not ship with your monitor. Some features may not be available in certain countries.
Power cable (varies by country) HDMI cable • Quick Setup Guide • Safety,Environmental,and Regulatory Information Product Features The Dell D2720DS monitor has an active matrix, thinfilm transistor (TFT), liquid crystal display (LCD), and LED backlight. The monitor features include: • 68.467 cm (27.0-inch) viewable area display (measured diagonally). 2560 x 1440 resolution with full-screen support for lower resolutions. • Tilt, pivot and height adjustment capabilities.
Identifying Parts and Controls Front view 1 Label 1 2 2 Description Function buttons (For more information, see Operating the Monitor) Power on/off button (with LED indicator) About Your Monitor | 7
Back View 1 2 3 4 Label Description Use 1 VESA mounting holes (100 Wall mount monitor using VESA-compatible wall mm x 100 mm - behind mount kit (100 mm x 100 mm). attached VESA Cover) 2 Security lock slot Secures monitor with security lock (sold separately). 3 Barcode, serial number, and Service Tag label Refer to this label if you need to contact Dell for technical support. 4 Cable-management slot Use to organize cables by inserting them through the slot.
Monitor Specifications Screen type Active matrix - TFT LCD Panel Type In-Plane Switching Technology Aspect ratio 16:9 Viewable image dimensions Diagonal 684.67 mm (27 inches) Active Area Horizontal 596.74 mm (23.5 inches) Vertical 335.66 mm (13.2 inches) Area 200301.7 mm² (310.20 inches²) Pixel pitch 0.233 mm x 0.233 mm Pixel per inch (PPI) 108.
Video input capabilities (HDMI playback) 480i, 480p, 576i, 576p, 720p, 1080i, 1080p,2160p Preset Display Modes Display Mode Vertical Frequency (Hz) 70.0 Pixel Clock (MHz) 720 x 400 Horizontal Frequency (kHz) 31.5 28.3 Sync Polarity (Horizontal/ Vertical) -/+ 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.
Physical Characteristics Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins Dimensions (with stand) Height (extended) 523.5 mm (20.61 inches) Height (compressed) 423.5 mm (16.67 inches) Width 612.6 mm (24.12 inches) Depth 218.0mm (8.58 inches) Dimensions (without stand) Height 362.1 mm (14.26 inches) Width 612.6 mm (24.11 inches) Depth 48.5 mm (1.91 inches) Stand dimensions Height (extended) 395.3 mm (15.56 inches) Height (compressed) 295.3 mm (11.
Altitude Operating Non-operating Thermal dissipation 5,000 m (16,404 ft) (maximum) 12,192 m (40,000 ft) (maximum) • 148.5 BTU/hour (maximum) • 114.0 BTU/hour (typical) Compliant standards RoHS Compliant BFR/PVC free Monitor (excluding external cables) yes yes Power Management Modes If you have VESA’s DPM-compliant video card or software installed in your PC, the monitor can automatically reduce its power consumption when not in use. This is referred to as power save mode*.
Pin Assignments HDMI connector Pin number 19-pin side of the connected signal cable 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 Utility 15 DDC CLOCK (SCL) 16 DDC DATA (SDA) 17 DDC/CEC Ground 18 +5 V POWER 19 HOT PLUG DETECT About Your Monitor | 13
DP connector Pin number 20-pin side of the connected signal cable 1 ML3 (n) 2 GND 3 ML3 (p) 4 ML2 (n) 5 GND 6 ML2 (p) 7 ML1 (n) 8 GND 9 ML1 (p) 10 ML0 (n) 11 GND 12 ML0 (p) 13 CONFIG1 14 CONFIG2 15 AUX (p) 16 GND 17 AUX (n) 18 Hot Plug Detect 19 Return 20 DP_PWR 14 | About Your Monitor
Plug-and-Play You can install the monitor in any Plug-and-Play-compatible system. The monitor automatically provides the computer system with its extended display identification data (EDID) using display data channel (DDC) protocols so the computer can configure itself and optimize the monitor settings. Most monitor installations are automatic; you can select different settings if desired. For more information about changing the monitor settings, see Operating the Monitor.
Setting Up the Monitor Attaching the stand NOTE: The stand is not installed at the factory when shipped. NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the set up instructions that were included with the stand. To attach the monitor stand: 1 Remove the monitor’s protective cover and place the monitor with its front facing downward on it.
4 Lift the screw handle and turn the screw clockwise. 5 After fully tightening the screw, fold the screw handle flat within the recess. NOTE: Lift the monitor carefully to prevent it from slipping or falling. Using the Tilt and Vertical Extension NOTE: This is applicable for a monitor with a stand. If you purchased any other stand, refer to the respective stand setup guide for set up instructions. Tilt With the built-in pedestal, you can tilt the monitor for the most comfortable viewing angle.
Vertical Extension NOTE: The stand extends vertically up to 100 mm. The figure below illustrates how to extend the stand vertically. 100 mm Rotating the Monitor Before you rotate the monitor, your monitor should be fully vertically extended and fully tilted up to avoid hitting the bottom edge of the monitor. 90° 0° Connecting Your Monitor WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. To connect your monitor to the computer: 1 Turn off your computer.
Connecting the HDMI cable HDMI Connecting the DP cable (optional) DP Organizing Your Cables After attaching all necessary cables to your monitor and computer, (see Connecting Your Monitor for cable attachment) organize all cables as shown above.
Removing the Monitor Stand CAUTION: To prevent scratches on the LCD screen while removing the stand, make sure that the monitor is placed on a soft, clean surface. NOTE: The procedure below is applicable for the default stand. If you purchased any other stand, see the documentation shipped with the stand to set it up. To remove the stand: 1 Place the monitor on a soft cloth or cushion. 2 Loosen the screw from the base. 3 Use a screwdriver to loosen the four screws at the back of the monitor.
Wall Mounting (Optional) NOTE: Use M4 x 10 mm screws to connect the monitor to the wall-mounting kit. Refer to the instructions that come with the VESA-compatible wall mounting kit. 1 Place the monitor on a soft cloth or cushion on a stable, flat table. 2 Remove the stand. 3 Use a Phillips crosshead screwdriver to remove the four screws securing the plastic cover. 4 Attach the mounting bracket from the wall mounting kit to the monitor.
Operating the Monitor Turning on the Monitor Press the button to turn on the monitor. Using the Front Panel Controls Use the control buttons on the front of the monitor to adjust the characteristics of the image being displayed. As you use these buttons to adjust the controls, an OSD shows the numeric values of the characteristics as they change.
The following table describes the front panel buttons: Front‑Panel Button Description 1 Use this button to choose Input Source from a list of Auto, DisplayPort, HDMI. INPUT Shortcut key: Input 2 - 3 + + 4 MENU Menu 5 EXIT Exit 6 Use this button to select the next item down the list or decrease the setting value. Use this button to select the next item up the list or increase the setting value. Use this menu button to launch the on-screen display (OSD) and select the OSD menu.
Using the On-Screen Display (OSD) Menu Accessing the Menu System NOTE: Any changes you make using the OSD menu are automatically saved if you move to another OSD menu, exit the OSD menu, or wait for the OSD menu to disappear. Press the Icon MENU button to launch the OSD menu and display the main menu. Menu and Submenus Description Picture Use this menu to activate Brightness/Contrast/Color Temp. adjustment. Brightness Brightness adjusts the luminance of the backlight (minimum 0; maximum 100).
Icon Menu and Submenus Color Temp. Description Allows users to select the Color Temp: 6500K, User, 9300K, 7500K. OSD H. Position Use - or + to adjust the H. Position from 0 to 100. V. Position Use - or + to adjust the V. Position from 0 to 100. OSD Timeout Use the - and + buttons to adjust the slider in 5-second increments, from 5 to 30 seconds.
Icon Menu and Submenus Description Display Use the Display menu to adjust image. Display Mode Adjust the image ratio to Full or Aspect. Opticolor When you select Opticolor, you can choose Standard, Scenery, Game, Cinema or Text from the list. • Standard: Default color settings. This is the default preset mode. • Scenery: Option to allow matching of the white backgrounds on multiple monitors. • Game: Ideal for most gaming applications. • Cinema: Ideal for cinema. • Text: Ideal for text.
Icon Menu and Submenus Description Miscellaneous Select this option to adjust the settings of the OSD. Language Set the OSD display to languages of English, Simplified Chinese. Input Select Use the Input Select menu to select between different video inputs that are be connected to your monitor. 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.
Icon Menu and Submenus Description Information Displays the monitor’s current settings. NOTE: This monitor has a built-in feature to automatically calibrate the brightness to compensate for LED aging.
OSD Warning Messages Activate the computer and wake up the monitor to gain access to the OSD. If you press any button other than the power button, the following messages will appear depending on the selected input: No Signal If either HDMI or DP is selected and the corresponding cable is not connected, a floating dialog box as shown below appears. Cable Not Connected See Troubleshooting for more information.
Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. Self-Test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: 1 Turn off both your computer and the monitor. 2 Unplug the video cable from the back of the computer.
Common Problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common What You Symptoms Experience No Video/Power No picture LED off No Video/Power No picture or no LED on brightness Missing Pixels LCD screen has spots Stuck-on Pixels LCD screen has bright spots Brightness Problems Safety Related Issues Intermittent Problems Picture too dim or too bright Visible signs of smoke or sparks Monitor malfunctions on & off Poss
Common Symptoms What You Experience Missing Color Picture missing color Wrong Color Image retention from a static image left on the monitor for a long period of time 32 | Possible Solutions • Perform monitor self-test. • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Check for bent or broken pins in the video cable connector. Picture color not • Change the settings of the Color Temp.
Product Specific Problems Specific Symptoms Screen image is too small What You Experience Image is centered on screen, but does not fill entire viewing area Cannot adjust OSD does not the monitor with appear on the the buttons on screen the front panel Possible Solutions • Check the Aspect setting in the Display menu OSD. • Reset the monitor to factory settings. • Turn off the monitor, unplug the monitor power cable, plug it back, and then turn on the monitor.
Appendix Safety Instructions For displays with glossy bezels the user should consider the placement of the display as the bezel may cause disturbing reflections from surrounding light and bright surfaces. WARNING: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards. For information on safety instructions, see the Safety, Environmental, and Regulatory Information (SERI).
Setting Up Your Monitor Setting Display Resolution to 2560 x 1440 For best performance, set the display resolution to 2560 x 1440 pixels by performing the following steps: In Windows Vista, Windows 7, Windows 8 or Windows 8.1: 1 For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to classic desktop. 2 Right-click on the desktop and click Screen Resolution. 3 Click the Dropdown list of the Screen Resolution and select 2560 x 1440. 4 Click OK.
Non-Dell computer In Windows Vista, Windows 7, Windows 8 or Windows 8.1: 1 For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to classic desktop. 2 Right-click on the desktop and click Personalization. 3 Click Change Display Settings. 4 Click Advanced Settings. 5 Identify your graphics controller supplier from the description at the top of the window (e.g. NVIDIA, AMD, Intel etc.). 6 Refer to the graphic card provider website for updated driver (for example, http://www.AMD.
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 in the list below while unpacking, cleaning, or handling your monitor: • To clean your anti-static screen, lightly dampen a soft, clean cloth with water.
