Dell P2721Q Monitor User’s Guide Monitor Model: P2721Q Regulatory Model: P2721Qf
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 © 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.
Contents About your monitor............................................6 Package contents...................................................... 6 Product features........................................................ 8 Identifying parts and controls..................................... 9 Front view............................................................................. 9 Back view............................................................................. 10 Side view................................
Maintenance guidelines............................................. 24 Cleaning your monitor........................................................... 24 Setting up the monitor......................................25 Attaching the stand.................................................. 25 Connecting your monitor........................................... 28 Connecting the HDMI cable (optional).................................... 28 Connecting the DisplayPort (DisplayPort to DisplayPort) cable.
Troubleshooting................................................57 Self-test.................................................................. 57 Built-in diagnostics................................................... 59 Common problems.................................................... 60 Product specific problems......................................... 63 Universal Serial Bus (USB) specific problems.............. 65 Appendix..........................................................66 FCC notices (U.S.
About your monitor Package contents Your monitor ships with the components shown in the table below. If any component is missing, contact Dell technical support. For more information, see Contact Dell. NOTE: Some items may be optional and may not ship with your monitor. Some features may not be available in certain countries. NOTE: If you are attaching a stand that you purchased from any other source, follow the set up instructions that were included with the stand.
Power cable (varies by country) DisplayPort cable (DisplayPort to DisplayPort) *USB Type-C® to Type-C Gen1 cable (1.8m) USB Type-C to Type-A cable (1.8 m) • Quick Start Guide • Safety, Environmental, and Regulatory Information • Velcro Strap NOTE: *USB Type-C® and USB-C® are registered trademarks of USB Implementers Forum.
Product features The Dell P2721Q monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: • 68.47 cm (27.0 in.) viewable area (measured diagonally). 3840 x 2160 (16:9) resolution, plus full-screen support for lower resolutions. • Wide viewing angle to allow viewing from a sitting or standing position. • Color gamut of 99% sRGB. • Digital connectivity with Type-C, DisplayPort and HDMI.
Identifying parts and controls Front view Back view 23 Label 1 2 3 Description Use Solid white light indicates that the monitor is turned on and functioning normally. LED indicator Blinking white light indicates that the monitor is in Standby Mode. Power On/Off button To turn the monitor on or off. Joystick Use it to control the OSD menu.
Back view 1 2 3 4 5 Back view with monitor stand 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 Side view 10 │ About your monitor Use Wall mount monitor using VESAcompatible wall mount kit (100 mm x 100 mm). Lists of regulatory approvals. Releases stand from the monitor. Refer to this label if you need to contact Dell for technical support.
Bottom view 1 2 3 4 56 7 8 Bottom view without monitor stand Label Description Use 1 Security lock slot Secures the monitor with security lock (security lock not included). 2 Power connector Connect the power cable (shipped with your monitor). 3 Stand lock To lock the stand to the monitor using a M3 x 6 mm screw (screw not included). 4 HDMI port Connect your computer with the HDMI 2.0 cable. 5 DisplayPort 6 USB Type-C 7 USB 2.0 downstream port x 2 8 SuperSpeed USB 5Gbps (USB 3.
Monitor specifications Model Screen type Panel technology Aspect ratio Viewable image Diagonal Width (active area) Height (active area) Total area Pixel pitch Pixel per inch (PPI) Viewing angle Luminance output Contrast ratio Faceplate coating Backlight Response time (Gray to Gray) Color depth Color gamut Built-in devices Connectivity P2721Q UHD TFT LCD In-Plane Switching Technology 16:9 684.66 mm (26.96 in.) 596.74 mm (23.49 in.) 335.66 mm (13.21 in.) 200301.75 mm² (310.30 in.²) 0.1554 mm x 0.
Border width (edge of monitor to active area) Adjustability Height adjustable stand Tilt Swivel Pivot Dell Display Manager compatibility Security 7.4 mm (Top) 7.4 mm (Left/Right) 17.
Preset display modes 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 VESA, 1024 x 768 VESA, 1152 x 864 VESA, 1280 x 1024 VESA, 1280 x 1024 VESA, 1600 x 900 VESA, 1920 x 1080 VESA, 2048 x 1280 VESA, 2560 x 1440 VESA, 3840 x 2160 VESA, 3840 x 2160 VESA, 3840 x 2160 Horizontal Vertical Pixel clock Sync polarity frequency frequency (MHz) (Horizontal/ (kHz) (Hz) Vertical) 31.5 70.1 28.3 -/+ 31.5 59.9 25.2 -/37.5 75 31.5 -/37.9 60.3 40 +/+ 46.
Electrical specifications Model P2721Q Video input signals • USB Type-C/DisplayPort, 600 mV for each differential line, 100 Ω input impedance per differential pair • HDMI 2.0, 600 mV for each differential line, 100 Ω input impedance per differential pair • DisplayPort 1.2, 600 mV for each differential line, 100 Ω input impedance per differential pair AC input voltage/ 100 VAC to 240 VAC/50 Hz or 60 Hz ± 3 Hz/2.5 A frequency/current Inrush current • 120 V: 30 A (Max.) at 0°C (cold start) • 240 V: 60 A (Max.
Physical characteristics Model Signal cable type P2721Q • DP to DP 1.8 m cable • USB Type-C (C to C) 1.8 m cable • USB Type-C (C to A) 1.8 m cable NOTE: Dell monitors are designed to work optimally with the video cables that are shipped with your monitor. As Dell does not have control over the different cable suppliers in the market, the type of material, connector and process used to manufacture these cables, Dell does not guarantee video performance on cables that are not shipped with your Dell monitor.
Environmental characteristics Model P2721Q Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable. EPEAT registration varies by country. See https://www.epeat.net for registration status by country. • RoHS-compliant • TCO certified displays • BFR/PVC free monitor (excluding external cables) • Meets NFPA 99 leakage current requirements.
Pin assignments DisplayPort 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 ML3 (n) GND ML3 (p) ML2 (n) GND ML2 (p) ML1 (n) GND ML1 (p) ML0 (n) GND ML0 (p) GND GND AUX (p) GND AUX (n) Hot Plug Detect Re-PWR +3.
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 CLOCKCEC Reserved (N.C.
USB Type-C port Pin Signal Pin Signal A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 GND SSTXp1 SSTXn1 VBUS CC1 Dp1 Dn1 SBU1 VBUS SSRXn2 SSRXp2 GND B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 GND SSTXp1 SSTXn1 VBUS SSU2 Dn1 Dp1 CC2 VBUS SSRXn2 SSRXp2 GND 20 │ About your monitor
Plug and play capability You can install the monitor in any Plug and Play-compatible system. The monitor automatically provides the computer with its Extended Display Identification Data (EDID) using Display Data Channel (DDC) protocols so that the computer can configure itself and optimize the monitor settings. Most monitor installations are automatic, you can select different settings as required. For more information about changing the monitor settings, see Operating the monitor.
USB 3.
USB 2.0 downstream port Pin number 4-pin side of the connector 1 2 3 4 VCC DMD DPD GND NOTE: USB 3.2 Gen1 (5Gbps) functionality requires a USB 3.2 Gen1 (5Gbps)-capable computer. NOTE: The monitor's USB ports work only when the monitor is on or in the Standby Mode. In Standby Mode, if the USB cable (Type-C to Type-C) is plugged in, the USB ports can work normally. Otherwise, follow the OSD setting of USB, if the setting is "On During Standby Mode" then USB work normally, otherwise USB is disabled.
Maintenance guidelines Cleaning your monitor CAUTION: Read and follow the Safety instructions before cleaning the monitor. WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet. For best practices, follow these instructions when unpacking, cleaning, or handling your monitor: • To clean your anti-static screen, lightly dampen a soft and clean cloth with water. If possible, use a special screen-cleaning tissue or solution suitable for the anti-static coating.
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. Follow the instructions on the flaps of carton to remove the stand from the top cushion that secures it. 2.
6. Lift the PE bag, as shown, to expose the VESA area for stand assembly. 7. Attached the stand assembly to the monitor. a. Fit the two tabs on the upper part of the stand to the groove on the back of the monitor. b. Press the stand down till it snaps into place.
8. Place the monitor upright. NOTE: Lift the monitor carefully to prevent it from slipping or falling. 9. Remove the PE bag from the monitor.
Connecting your monitor WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. 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. NOTE: Route the cables through the cable-management slot before connecting them. NOTE: Do not connect all cables to the computer at the same time. NOTE: The graphics are used for the purpose of illustration only.
Connecting the DisplayPort (DisplayPort to DisplayPort) cable DP DP Connecting the USB Type-C cable (C to C) The USB Type-C port on your monitor: • Can be used as USB Type-C or DisplayPort 1.2, alternatively. • Supports USB Power Delivery (PD), with profiles up to 65 W.
Connecting the USB Type-C cable (C to A) USB Type-C USB 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 NOTE: To prevent scratches on the LCD screen when removing the stand, ensure that the monitor is placed on a soft, clean surface. 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 remove the stand: 1. Place the monitor on a soft cloth or cushion. 2.
VESA wall mounting (optional) (Screw dimension: M4 x 10 mm). Refer to the instructions that come with the VESA-compatible wall mounting kit. 1. Place the monitor panel on a soft cloth or cushion on a stable flat table. 2. Remove the stand. (See Removing the monitor 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. 5. Mount the monitor on the wall.
Operating your monitor Power on the monitor Press the Power button to turn On the monitor. Using the back panel controls Use the Joystick on the back of the monitor to adjust settings.
The following table describes the Joystick: Joystick 1 Description Use this button to choose from a list of video signals that may be connected to your monitor. Shortcut key/ Input Source 2 Use this button to choose from a list of perset color modes. Shortcut key/ Preset Modes 3 For direct access to the Brightness and Contrast menu. Shortcut key/ Brightness/Contrast 4 Use the MENU button to launch the On-Screen Display (OSD). See Accessing the menu system.
Back panel button Use the buttons on the front of the monitor to adjust the image settings. Joystick Up Description Use the Up button to adjust (increase ranges) items in the OSD menu. Down Use the Down button to adjust (decrease ranges) items in the OSD menu. Left For all first level in the Menu list, Left arrow will exit/close the OSD menu. Right For all other levels except first level in the Menu list, Right arrow will go to the next level.
Using the On-Screen Display (OSD) menu Accessing the menu system NOTE: If you change the settings and then either proceed to another menu or exit the OSD menu, the monitor automatically saves those changes. The changes are also saved if you change the settings and then wait for the OSD menu to disappear. 1. Select the icon to launch the OSD and display the main menu. Dell 27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others 75% 75% Exit 2.
Icon Menu and submenus Brightness/ Contrast Description Use this menu to activate Brightness/Contrast adjustment. Dell 27 Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others 75% 75% Exit Brightness Brightness 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 Adjusts the Brightness first, and then adjust the Contrast only if further adjustment is necessary.
Icon Menu and submenus Input Source Description Use the Input Source menu to select between the different video signals that may be connected to your monitor. Dell 27 Monitor Brightness/Contrast USB-C Input Source DP Color HDMI Display Auto Select Menu Auto Select for USB-C Personalize Rename Inputs Others Reset Input Source 65W On USB-C 65W Exit *USB-C® 65 W Select the USB-C input when you are using the USB-C connector. Press the button to confirm the selection.
Icon Menu and submenus Color Description Use Color menu to adjust the color setting mode. Dell 27 Monitor Brightness/Contrast Preset Modes Standard Input Source Input Color Format RGB Color Reset Color Display Menu Personalize Others Exit Preset Modes Allows you to choose from a list of preset color modes.
Icon Menu and Description submenus Preset Modes To reduce the risk of eye strain and neck/arm/back/shoulder pain from using the monitor for long periods of time, we suggest you to: 1. Set the distance of the screen between 20 to 28 in. (50 - 70 cm) from your eyes. 2. Blink frequently to moisten your eyes or wet your eyes with water after prolonged usage of the monitor. 3. Take regular and frequent breaks for 20 minutes every two hours. 4.
Icon Menu and submenus Input Color Format Description Allows you to set the video input mode to: • RGB: Select this option if your monitor is connected to a computer (or media player) using the USB-C, DisplayPort, or HDMI cable. • YPbPr: Select this option if your media player supports only YPbPr output. Press the button to confirm the selection.
Icon Menu and submenus Display Description Use the Display menu to adjust images. Dell 27 Monitor Brightness/Contrast Aspect Ratio Wide 16 : 9 Input Source Sharpness 50 Color Response Time Normal Display Reset Display Menu Personalize Others Exit Aspect Ratio Adjusts the image ratio to Wide 16:9, 4:3, or 5:4. Sharpness This feature can make the image look sharper or softer. Use or to adjust the sharpness from '0' to '100'.
Icon Menu and submenus Menu Description Select this option to adjust the settings of the OSD, such as the languages of the OSD, the amount of time the menu remains on screen, and so on.
Icon Menu and submenus Lock Description With the control buttons on the monitor locked, you can prevent people from accessing the controls. It also prevents accidental activation in multiple monitors side-by-side setup.
Icon Menu and submenus Personalize Description Selecting this option allows you to set three shortcut keys and power LED indicator function.
Icon Menu and submenus Others Description Select this option to adjust the OSD settings, such as DDC/CI, LCD Conditioning, and so on. Dell 27 Monitor Brightness/Contrast Display Info Input Source DDC/CI Color LCD Conditioning On Display Firmware 13F103 Menu Service Tag FA00238 Personalize Reset Others Others Factory Reset ENERGY STAR® Exit Display Info Displays the monitor's current settings.
Icon Menu and submenus LCD Conditioning Description Helps reduce minor cases of image retention. Depending on the degree of image retention, the program may take some time to run. You can enable this feature by selecting On. Dell 27 Monitor Brightness/Contrast Display Info Input Source DDC/CI Color LCD Conditioning Display Firmware Menu Service Tag Personalize Reset Others Others Factory Reset On Exit Firmware Frimware version. Service Tag Displays the service tag of your monitor.
OSD warning message When the monitor does not support a particular resolution mode, you will see the following message: This means that the monitor cannot synchronize with the signal that it is receiving from the computer. See Monitor specifications for the Horizontal and Vertical frequency ranges addressable by this monitor. Recommended mode is 3840 x 2160. NOTE: The message may be slightly different according to the connected input signal.
When the monitor goes into power-save mode, the following message appears: Going into Standby mode... Activate the computer and wake up the monitor to gain access to the OSD. NOTE: The message may be slightly different according to the connected input signal. The OSD functions only in the normal operation mode.
The following Power Warning Message box applies to Brightness functions for the first time when you adjust the Brightness level above the default level. Adjusting to this value will increase power consumption above the default level. Do you want to continue? Yes No A message is displayed while the cable supporting DP alternate mode is connected to the monitor under the following conditions: • When Auto Select for USB-C is set to Prompt for Multiple Inputs.
When you select 'Yes' to reset to default settings, the following message will appear: Dell 27 Monitor Select ‘Yes’ to enable the following function(s): · Always on USB-C Charging · Other USB Charging Yes No See Troubleshooting for more information.
Setting the maximum resolution To set the maximum resolution for the monitor: In Windows® 7, Windows® 8, and Windows® 8.1: 1. For Windows® 8 and 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 3840 x 2160. 4. Click OK. In Windows® 10: 1. Right-click on the desktop and click Display settings. 2. Click Advanced display settings. 3.
Using the tilt, swivel, and vertical extension 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. Tilt, swivel With the stand attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle. NOTE: The stand is not installed at the factory when shipped.
Rotating the monitor Before you rotate the monitor, your monitor should be fully vertically extended (Vertical extension) and fully tilted up to avoid hitting the bottom edge of the monitor.
Rotate counterclockwise NOTE: To use the Display Rotation function (Landscape versus Portrait view) with your Dell computer, you require an updated graphics driver that is not included with this monitor. To download the graphics driver, go to https://www.dell.com/support and see the Download section for Video Drivers for latest driver updates. NOTE: When in the Portrait View Mode, you may experience performance degradation in graphic-intensive applications (3D Gaming and etc.).
Adjusting the rotation display settings of your system After you have rotated your monitor, you need to complete the procedure below to adjust the Rotation Display Settings of your system. NOTE: If you are using the monitor with a non-Dell computer, you need to go to the graphics driver website or your computer manufacturer website for information on rotating the 'contents' on your display. To adjust the Rotation Display Settings: 1. Right-click on the desktop and click Properties. 2.
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 computer. 3. Turn On the monitor.
4. This message also appears during normal system operation, if the video cable becomes disconnected or damaged. 5. Turn Off your monitor and reconnect the video cable; then turn On both your computer and the monitor. If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your monitor is functioning properly.
Built-in diagnostics Your monitor has a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card. To run the built-in diagnostics: 1. Ensure that the screen is clean (no dust particles on the surface of the screen). 2. Press and hold in Up or Down or Left or Right direction for 4 secs and wait for a pop up nenu. 3. Use up or down direction to select the and press to confirm.
Common problems The following table provides general information about common monitor problems you might encounter and the possible solutions: Common symptoms What you experience Possible solutions No video/ No picture Power LED off • 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 other electrical equipment. • Ensure that the power button is pressed fully.
Common symptoms What you experience Possible solutions Stuck-on pixels LCD screen has bright spots • 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. Brightness problems • Reset the monitor to factory settings. • Adjust brightness & contrast controls via OSD.
Common symptoms What you experience Image retention from a static image left on the monitor for a long period of time Faint shadow from • Set the screen to turn off after a few minutes the static image of screen idle time. These can be adjusted in displayed appears Windows Power Options or Mac Energy Saver on the screen setting. • Alternatively, use a dynamically changing screensaver.
Product specific problems Common Symptoms What you experience Possible Solutions Screen image is too small Image is centered on screen, but does not fill entire viewing area • Check the Aspect Ratio setting in the Display menu OSD. • Reset the monitor to factory settings. Cannot adjust the OSD does not monitor with the appear on the Joystick on the back screen panel • Turn Off the monitor, unplug the power cable, plug it back, and then turn On the monitor. • The OSD menu may be locked.
Common Symptoms What you experience Possible Solutions No charging when No charging using USB-C connection to computer, laptop, and so on • Verify if the device can support one of 5 V/9 V/15 V/20 V charging profiles. • Verify if the Notebook requires a > 65 W power adapter. • If the Notebook requires a > 65 W power adapter, it may not charge with the USB-C connection. • Ensure that you use only Dell approved adapter or the adapter that comes with the product.
Universal Serial Bus (USB) specific problems Common Symptoms What you experience Possible Solutions USB interface is not working USB peripherals are • Check that your monitor is turned On. not working • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Switch Off and then turn On the monitor again. • Reboot the computer. • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system.
Appendix WARNING: Safety instructions 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 Safety, Environmental, and Regulatory Information (SERI). FCC notices (U.S. only) and other regulatory information For FCC notices and other regulatory information, see the regulatory compliance website located at https://www.dell.
