Dell USB-C Monitor P2423DE/P2723DE User’s Guide Monitor Model: P2423DE/P2723DE Regulatory Model: P2423DEc/P2723DEc
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 © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 6 About your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Package contents . . . . . . . . . . . . . . . . . . . . . . 7 Product features . . . . . . . . . . . . . . . . . . . . . . 9 Identifying parts and controls . . . . . . . . . . . . . . . 10 Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Handling and moving your display . . . . . . . . . . . . . 34 Maintenance guidelines . . . . . . . . . . . . . . . . . . 35 Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . 35 Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 37 Attaching the stand . . . . . . . . . . . . . . . . . . . . .37 Connecting your monitor . . . . . . . . . . . . . . . . .
Using the joystick control . . . . . . . . . . . . . . . . . 56 Using the On-Screen Display (OSD) menu . . . . . . . . 57 Accessing the Menu Launcher . . . . . . . . . . . . . . . . . . . 57 Using the navigation keys . . . . . . . . . . . . . . . . . . . . . . 58 Accessing the menu system . . . . . . . . . . . . . . . . . . . . 59 Menu and Power button lock . . . . . . . . . . . . . . . . . . . . .
Safety instructions Use the following safety guidelines to protect your monitor from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your monitor. NOTE: Before using the monitor, read the safety information that is shipped with your monitor and printed on the product. Keep the documentation at a secure location for future reference.
About your monitor Package contents The following table provides the list of components that are shipped with your monitor. If any component is missing, contact Dell. For more information, see Contacting Dell. NOTE: Some items may be optional and may not ship with your monitor. Some features may not be available in certain countries.
DisplayPort to DisplayPort cable (1.8 meters) Super speed USB 10 Gbps (USB 3.2 Gen2) Type-C to Type-C upstream cable (C-C cable) (1 meter) Super speed USB 5 Gbps (USB 3.2 Gen1) Type-C to Type-A upstream cable (C-A cable) (1.
Product features The Dell P2423DE/P2723DE monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: • • • • • • • • • • • • • • • • • • • P2423DE: 60.45 cm (23.8 in.) viewable area display (measured diagonally). P2723DE: 68.47 cm (27 in.) viewable area display (measured diagonally). 2560 x 1440 resolution, with full-screen support for lower resolutions. Color gamut of 99% sRGB (typical).
Identifying parts and controls Front view 1 Label 1 Description Power LED indicator 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 1 2 3 4 DELL P2723DE Flat Panel Monitor /Monitor Plano Panel /Moniteur écran plat /液晶顯示器 Model No. /Modelo /N°de modelo /型號/모델명/モデル番号: P2723DEc 정격입력/Entrada de energía:100-240V 50/60Hz, 2A 輸入電源:交流電壓100-240伏特, 2安培,50/60赫茲 Удельная мощность рабочего режима - XXXX Вт/см² Consumo de energía en operación: XXX Wh Потребляемая мощность изделием в режиме ожидания - 0,XX Вт Потребляемая мощность изделием в выключенном режиме - 0,XX Вт The equipment must be connected to an earthed mains socket-outlet.
Bottom view Bottom view without monitor stand Label Description Use 1 Security lock slot Secure your monitor using a security lock (based on Kensington (purchased separately) to prevent unauthorized Security Slot) movement of your monitor. 2 Power connector Connect the power cable (shipped with your monitor). 3 HDMI port Connect to your computer using a HDMI cable (purchased separately). 4 Stand lock To lock the stand to the monitor using a M3 x 6 mm screw (screw not included).
7 USB-C upstream port Connect the USB-C (C-C) or (C-A) cable that came with your monitor to the computer. This port supports USB Power Delivery, Data, and DisplayPort video signal. The SuperSpeed USB 5 Gbps (USB 3.2 Gen1) Type-C port supports Alternate Mode DP1.4 with a maximum resolution of 2560 x 1440 at 60 Hz, PD 20 V/4.5 A, 15 V/3 A, 9 V/3 A, 5 V/3 A. NOTE: USB-C is not supported on versions of Windows prior to Windows 10. 8 SuperSpeed USB 5 Connect your USB device.* Gbps (USB 3.
Monitor specifications Model P2423DE P2723DE Screen type Active matrix - TFT LCD Panel type In-Plane Switching Technology Aspect ratio 16:9 Viewable image Diagonal 604.50 mm (23.80 in.) 684.70 mm (26.96 in.) Horizontal, Active Area 526.85 mm (20.74 in.) 596.74 mm (23.49 in.) Vertical, Active Area 296.35 mm (11.67 in.) Area 156132.00 mm (242.01 in. ) 200301.75 mm2 (310.47 in.2) Native resolution and 2560 x 1440 at 60 Hz 2 335.66 mm (13.21 in.) 2 refresh rate Pixel pitch 0.2058 mm x 0.
Connectivity • • • • 1 x HDMI port version 1.4 (HDCP 1.4) 1 x DisplayPort version 1.4 (HDCP 1.4) 1 x DisplayPort (Out) with MST (HDCP 1.4) 1 x USB-C upstream port (Alternate mode with DisplayPort 1.4, Power Delivery PD up to 90 W)* • 4 x SuperSpeed USB 5 Gbps (USB 3.2 Gen1) downstream port • 1 x RJ45 port Bezel width (edge of monitor to active area) Top 5.42 mm 7.37 mm Left/Right 5.48 mm 7.43 mm Bottom 16.72 mm 17.
Resolution specifications Model P2423DE/P2723DE Horizontal scan range 29 kHz to 113 kHz Vertical scan range 49 Hz to 75 Hz (automatic) Maximum preset resolution 2560 x 1440 @ 60 Hz Supported video modes Model P2423DE/P2723DE Video display capabilities (HDMI & DisplayPort & USB-C DP alternate mode) 480p, 576p, 720p, 1080i(HDMI), 1080p, 1440p 16 │ About your monitor
Preset display modes Display Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) IBM, 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 768 VESA, 1280 x 1024 VESA, 1280 x 1024 VESA, 1600 x 1200 VESA, 1680 x 1050 CTA, 1920 x 1080 VESA, 1920 x 1200 VESA, 2048 x 1080 VESA, 2560 x 1440 31.50 31.50 37.50 37.90 46.90 48.40 60.00 67.50 47.80 64.00 79.90 75.00 65.30 67.50 74.60 66.60 88.80 70.10 59.90 75.00 60.30 75.
Electrical specifications Model P2423DE Video input signals • HDMI 1.4/DisplayPort 1.4*, 600 mV for each differential line, 100 ohm input impedance per differential pair • USB-C (with DP alternate mode) signal input support 100 VAC to 240 VAC / 50 100 VAC to 240 VAC / Hz or 60 Hz ± 3 Hz / 2 A 50 Hz or 60 Hz ± 3 Hz / (typical) 2 A (typical) AC input voltage/ frequency/current Inrush current Power consumption • • • • • • • • P2723DE 120 V: 30 A (Max.) at 0°C (cold start) 240 V: 60 A (Max.
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 features may increase power consumption that could exceed the ENERGY STAR specified limit.
Physical characteristics Model P2423DE P2723DE Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins (cable not included) • Universal Series Bus: Type-C, 24 pins NOTE: Dell monitors are designed to work optimally with the video cables that are shipped with your monitor.
Weight without stand 3.92 kg (8.64 lb) assembly (For wall mount or VESA mount considerations no cables) 5.07 kg (11.18 lb) Weight of stand assembly 1.63 kg (3.59 lb) 1.84 kg (4.
Environmental characteristics Model P2423DE P2723DE Compliant Standards • ENERGY STAR certified monitor. • EPEAT registered where applicable. EPEAT registration varies by country. See www.epeat.net for registration status by country. • RoHS-compliant. • TCO Certified & TCO Certified Edge. • BFR/PVC free monitor (excluding external cables). • Meets NFPA 99 leakage current requirements. • Arsenic-free glass and Mercury-free for the panel only.
Pin assignments DisplayPort connector (in) 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.
DisplayPort connector (out) 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 ML0 (p) GND ML0 (n) ML1 (p) GND ML1 (n) ML2 (p) GND ML2 (n) ML3 (p) GND ML3 (n) CONFIG1 CONFIG2 AUX CH (p) GND AUX CH (n) Hot Plug Detect Return DP_PWR 24 │ About your monitor
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.
Universal Serial Bus (USB) interface This section gives you information about the USB ports that are available on the monitor. SuperSpeed USB 5 Gbps (USB 3.2 Gen1) Transfer speed Data rate Maximum power supported (each port) SuperSpeed 5 Gbps 4.5 W High speed 480 Mbps 4.5 W Full speed 12 Mbps 4.5 W USB-C USB-C Description Video DisplayPort 1.4* Data SuperSpeed USB 5 Gbps (USB 3.2 Gen1) Power Delivery (PD) Up to 90 W *HBR3 is supported.
USB downstream connector Pin number 9-pin side of the connector 1 VCC 2 D- 3 D+ 4 GND 5 SSRX- 6 SSRX+ 7 GND 8 SSTX- 9 SSTX+ About your monitor │ 27
USB-C connector Pin number A1 Signal name Signal name GND Pin number B1 A2 TX1+ B2 TX2+ A3 TX1- B3 TX2- A4 VBUS B4 VBUS A5 CC1 B5 CC2 A6 D+ B6 D+ A7 D- B7 D- A8 SBU1 B8 SBU1 A9 VBUS B9 VBUS A10 RX2- B10 RX1- A11 RX2+ B11 RX1+ A12 GND B12 GND GND USB ports • 1 USB-C upstream - bottom • 4 SuperSpeed USB 5 Gbps (USB 3.2 Gen1) Type-A downstream - bottom NOTE: SuperSpeed USB 5 Gbps (USB 3.2 Gen1) functionality requires a SuperSpeed USB 5 Gbps (USB 3.
RJ45 port (connector side) Pin number 1 Signal 2 TD1+ 3 TD1- 4 TD2+ 5 TD2- 6 TD3+ 7 TD3- 8 TD4+ 9 TD4- 10 GND 11 GREEN 12 GREEN 13 GREEN_AMBER 14 GREEN_AMBER CT About your monitor │ 29
Driver installation Install the Realtek USB GBE Ethernet Controller Driver available for your system. This is available for download at www.dell.com/support under the “Driver and download” section. Network (RJ45) data rate via USB-C max speed is 1000 Mbps. NOTE: This LAN port is 1000Base-T IEEE 802.
Label LED Color 1 Left LED Green 2 Right LED Amber or Green Description Link/Activity indicator: • Blinking - Activity on the port. • Green On - Link is being established. • Off - Link is not established. Speed indicator: • Amber On - 1000 Mbps • Green On - 100 Mbps • Off - 10 Mbps NOTE: The RJ45 cable is non in-box standard accessory.
Plug and play capability 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 that the system 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.
• Ensure that the monitor screen is at eye level or slightly lower when you are sitting in front of the monitor. • Adjust the tilt of the monitor, its contrast, and brightness settings. • Adjust the ambient lighting around you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen. • Use a chair that provides good lower-back support.
Handling and moving your display To ensure that the monitor is handled safely when lifting or moving it, observe the following guidelines: • • • • Before moving or lifting the monitor, turn off your computer and the monitor. Disconnect all cables from the monitor. Place the monitor in the original box with the original packing materials. Hold the bottom edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor.
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. WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet.
NOTE: Monitor damage due to improper cleaning methods and the use of benzene, thinner, ammonia, abrasive cleaners, alcohol, compressed air, detergent of any kind will lead to a Customer Induced Damage (CID). CID is not covered under the standard Dell warranty. • If you notice white powder when you unpack your monitor, wipe it off with a cloth. • Handle your monitor with care as a dark-colored monitor may get scratched and show white scuff marks more than a light-colored 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 the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the setup 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 cover, as shown, to access the VESA area for stand assembly. NOTE: Before attaching the stand assembly to the display, ensure that the front plate flap is opened to allow space for assembly. 7. Attach the stand assembly to the display. a. Fit the two tabs on the upper part of the stand to the groove on the back of the display. b. Press the stand down till it snaps into place.
8. Hold the stand riser and lift the monitor carefully, then place it on a flat surface. NOTE: Lift the monitor carefully to prevent it from slipping or falling. 9. Remove the cover 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 if non-Dell cables are used. 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 images are for the purpose of illustration only.
Connecting the DisplayPort (DisplayPort to DisplayPort) cable Connecting the USB-C (C-A) cable USB-A Connecting the USB-C (C-C) cable NOTE: Use the USB-C (C-C) cable shipped with monitor only. • This port supports DisplayPort Alternate Mode (DP1.4 standard only). • The USB-C power delivery compliant port (PD Version 3.0) delivers up to 90 W of power. • If your notebook requires more than 90 W to operate and the battery is drained, it may not be powered up or charged with the USB PD port of this monitor.
Connecting the HDMI cable (optional) Connecting the monitor for DP Multi-Stream Transport (MST) function NOTE: This monitor supports the DP MST feature. To make use of this feature, your PC Graphics Card must be certified to DP1.4 with MST option. NOTE: Remove the rubber plug when using DP out connector. Connecting the monitor for USB-C Multi-Stream Transport (MST) function NOTE: The maximum number of supported monitors via MST is subjected to the bandwidth of the USB-C source.
Connecting the RJ45 cable (optional) NOTE: The RJ45 cable is not an in-box standard accessory.
Dell Power Button Sync (DPBS) Your monitor is designed with Dell Power Button Sync (DPBS) feature to allow you to control PC system power state from the monitor power button. This feature is only supported with Dell platform which has built-in DPBS function, and is only supported over USB-C interface. To make sure the DPBS function works for the first time, perform the following steps on the DPBS supported platform in the Control Panel first. NOTE: DPBS only supports the USB-C upstream port. 1.
2. Select Hardware and Sound, followed by Power Options. 3. Go to System Settings.
4. In the drop-down menu of When I press the power button, there are a few options for selection, namely Do nothing/Sleep/Hibernate/Shut down. You can select Sleep/Hibernate/Shut down. NOTE: Do not select “Do nothing”, otherwise the monitor power button will not be able to sync with PC system power state.
Connecting the monitor for DPBS for the first time For the first time setting up the DPBS function: 1. Make sure both the PC and the monitor are OFF. 2. Press the monitor power button to turn ON the monitor. 3. Connect the USB-C cable from the PC to the monitor. 4. Both the monitor and PC will turn ON normally except Dell Optiplex 7090/3090 Ultra platform. 5. When you connect the Dell Optiplex 7090/3090 Ultra platform, you may see both the monitor and PC will turn ON momentarily.
Using DPBS function Waking on the USB-C cable When you connect the USB-C cable, the Monitor/PC state is as follows: * Not all Dell PC systems support to wake up the platform via the monitor. * After connect the USB-C cable, tap on Keyboard or moving the mouse for the system to continue its boot up process when necessary.
• When the monitor and the PC power state are both ON, press and hold the monitor power button for 4 seconds, the screen prompt will ask if you would like to shut down the PC. • When the monitor and the PC power state are both ON, press and hold the monitor power button for 10 seconds, the PC will shut down.
Connecting the monitor for USB-C Multi-Stream Transport (MST) function A PC is connected to two monitors in an initial OFF power state, and the PC system power state is in sync with Monitor 1 power button. When you press Monitor 1 or PC power button, both Monitor 1 and PC turns ON. Meanwhile, Monitor 2 will remain OFF. You need to manually press the power button on Monitor 2 to turn it ON.
Connecting the monitor for USB-C The Dell PC* Ultra platform has two USB-C ports, so both Monitor 1 and Monitor 2 power state can sync with the PC. When the PC and two monitors are in an initial ON power state, pressing the power button on Monitor 1 or Monitor 2 will turn OFF the PC, Monitor 1, and Monitor 2. *Ensure to check the Dell PC for DPBS supportability. NOTE: DPBS only supports the USB-C upstream port.
Ensure to set USB-C Charging 90W to On in Off Mode. When the PC and two monitors are in an initial OFF power state, pressing the power button on Monitor 1 or Monitor 2 will turn ON the PC, Monitor 1, and Monitor 2.
Organizing cables After attaching all necessary cables to your monitor and computer, (See Connecting your monitor for cable attachment,) organize all cables as shown above. Securing your monitor using Kensington lock (optional) The security lock slot is located at the bottom of the monitor. (see Security lock slot). Secure your monitor to a table using the Kensington security lock. For more information on using the Kensington lock (sold separately), see the documentation that is shipped with the lock.
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 surface and handle it carefully. NOTE: The following steps are specifically for removing the stand that is shipped with your monitor. If you are removing a stand that you purchased from any other source, follow the setup instructions that are included with the stand. To remove the stand: 1. Place the monitor on a soft cloth or cushion. 2.
VESA wall mounting (optional) DELL DELL P2723DE Flat Panel Monitor /Monitor Plano Panel /Moniteur écran plat /液晶顯示器 Model No.
Operating the monitor Power on the monitor Press the Power button to turn On the monitor. Using the joystick control Use the joystick control on the rear of the monitor to make On-Screen Display (OSD) adjustments. 1. Press the joystick to launch the Menu Launcher. 2. Move the joystick up/down/left/right to toggle between options. 3. Press the joystick again to confirm the selection.
Using the On-Screen Display (OSD) menu Accessing the Menu Launcher When you toggle or press the joystick, the Menu Launcher appears to let you access the OSD main menu and shortcut functions. To select a function, move the joystick.
Using the navigation keys When the OSD main menu is active, move the joystick to configure the settings, following the navigation keys displayed below the OSD. Joystick 1 Up 2 Down 3 Left 4 Right 5 Description Use the Up direction to adjust (increase ranges) items in the OSD menu. Use the Down direction to adjust (decrease ranges) items in the OSD menu. For all first level in the Menu list, Left arrow will exit/ close the 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. 2X Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others 75% 75% Exit and directions to move between the setting options. As you 2.
Icon Menu and Submenus Brightness/ Contrast Description Use this menu to activate Brightness/Contrast adjustment. 2X Monitor Brightness/Contrast Input Source Color Display Menu Personalize Others 75% 75% Exit Brightness Contrast Brightness adjusts the luminance of the backlight. Press the direction to increase the brightness and press the direction to decrease the brightness (min. 0 / max. 100). Adjust the Brightness first, and then adjust the Contrast only if further adjustment is necessary.
Input Source Selects between the different video signals that may be connected to your monitor. 2X Monitor Brightness/Contrast USB-C Input Source DP 90W Color HDMI Display Auto Select On Menu Auto Select for USB-C Prompt for Multiple Inputs Personalize Rename Inputs USB-C Others Reset Input Source 90W Exit USB-C 90W Select the USB-C 90W input when you are using the USB-C connector. Press the joystick to confirm the selection.
Rename Inputs Allows you to specify a preset input name for the selected input source. The preset options are PC, PC 1, PC 2, Laptop, Laptop 1, and Laptop 2. The default setting is Off. NOTE: When you perform a rename for the USB-C input, the wattage value remains after the specified option, e.g., PC 1 90W. Reset Input Source Color NOTE: It is not applicable for the input names shown in the warning messages and Display Info. Resets your monitor input settings to the factory settings.
Preset Modes Allows you to choose from the list of preset color modes. Press the joystick to confirm the selection. 2X Monitor Brightness/Contrast Preset Modes Standard Input Source Input Color Format Movie Color Hue Game Display Saturation Warm Menu Reset Color Cool Personalize Custom Cool Others Exit • Standard: Loads the monitor's default color settings. This is the default preset mode. • Movie: Loads color settings ideal for movies.
Input Color Format Allows you to set the video input mode to: • RGB: Select this option if your monitor is connected to a computer or a media player that supports RGB output. • YCbCr: Select this option if your media player supports only YCbCr output. 2X Monitor Brightness/Contrast Preset Modes Input Source Input Color Format RGB Color Hue YCbCr Display Saturation Menu Reset Color Personalize Others Exit Hue This feature can shift the color of the video image to green or purple.
Saturation This feature can adjust the color saturation of the video image. Use or to adjust the saturation from 0 to 100. Press to increase the monochrome appearance of the video image. Reset Color Press to increase the colorful appearance of the video image. NOTE: Saturation adjustment is available only when you select Movie or Game preset mode. Resets your monitor’s color settings to the factory settings.
Display Use the display to adjust image. 2X Monitor Brightness/Contrast Aspect Ratio 16:9 Input Source Sharpness 50 Color Response Time Normal Display MST off Menu USB-C Prioritization High Data Speed Personalize Reset Display Others Exit Aspect Ratio Sharpness Adjusts the image ratio to 16:9, 4:3 or 5:4. This feature can make the image look sharper or softer. Move the joystick to adjust the sharpness level from ‘0’ to ‘100’.
Menu 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. 2X Monitor Brightness/Contrast Language English Input Source Rotation Select Color Transparency 20 Display Timer 20s Menu Lock Disable Personalize Reset Menu Others Exit Language Rotation Sets the OSD display to one of the eight languages (English, Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese, or Japanese).
Personalize 2X Monitor Brightness/Contrast Shortcut Key 1 Input Source Input Source Shortcut Key 2 Preset Modes Brightness/Contrast Color Shortcut Key 3 Display Power Button LED Menu USB-C Charging Personalize Other USB Charging Off in Standby Mode Others Fast Wakeup Off On in On Mode 90W Off in Off Mode Reset Personalization Exit Shortcut Key 1 Allows you to choose a feature from Preset Modes, Shortcut Key 2 Brightness/Contrast, Input Source, Aspect Ratio, Rotation, or Display Info
Others Select this option to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on. 2X Monitor Brightness/Contrast Display Info Select Input Source DDC/CI On Color LCD Conditioning Off Display Firmware XXXXXX Menu Service Tag XXXXXXX Personalize Self-Diagnostic Select Others Reset Others Factory Reset ENERGY STAR® Exit Display Info DDC/CI Displays the monitor’s current settings.
LCD Conditioning 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. 2X Monitor Brightness/Contrast Display Info Input Source DDC/CI Color LCD Conditioning On Display Firmware Off Menu Service Tag Personalize Self-Diagnostic Others Reset Others Factory Reset Exit Firmware Service Tag Displays the firmware version of your monitor.
Menu and Power button lock Prevents users to access or change OSD menu settings on the display. By default, the Menu and Power button lock setting is disabled. To access the lock menu, press and hold the Up or Down or Left or Right direction for four seconds. A lock menu appears at the bottom right corner of the display. NOTE: The lock menu can be accessed using this method when the Menu and Power buttons are in unlocked state.
Select option: There are three lock options. 1 Menu Menu Buttons Description When Menu Buttons is selected, the OSD menu settings cannot be changed. All buttons are locked except Power button. 2 Power Button When Power Button is selected, the display cannot be turned off using the Power button. 3 Menu + Power Buttons When Menu + Power Buttons is selected, the OSD menu settings cannot be changed and the Power button is locked.
OSD warning messages When the monitor does not support a particular resolution mode, you will see the following message: 2560x1440, 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 2560 x 1440.
When you adjust the Brightness level above the default level for the first time, the following message appears: NOTE: If you select Yes, the message will not appear the next time you change the Brightness setting.
When the monitor goes into Standby mode, the following message appears: Activate the computer and wake up the monitor to gain access to the OSD. The OSD functions only in the normal operation mode. If you press the joystick during the Standby mode, the following message will appear depending on the selected input: Activate the computer and the monitor to gain access to the OSD. NOTE: The message may be slightly different according to the connected input signal.
No DP Cable The display will go into Standby mode in 4 minutes. www.dell.com/P2X23DE or No HDMI Cable The display will go into Standby mode in 4 minutes. www.dell.com/P2X23DE NOTE: The message may be slightly different according to the connected input signal.
You will see the following message before the Lock function is activated: NOTE: The message may be slightly different according to the selected settings.
When Yes is selected, the following message appears. When Yes is selected, the following message appears. 2X Monitor Select ‘Yes’ to enable the following function(s): Always on USB-C Charging Other USB Charging Yes No When ‘Yes’ is selected, power consumption will increase. When ‘No’ is selected, it will comply with ENERGY STAR requirements. Individual settings of the functions can be changed in the Menu. See Troubleshooting for more information.
Setting the maximum resolution NOTE: The steps may vary slightly depending on the version of Windows you have. To set the maximum resolution for the monitor: In Windows 8.1: 1. For Windows 8.1, select the Desktop tile to switch toclassic desktop. 2. Right-click on the desktop and click Screen Resolution. 3. If you have more than one monitor connected, ensure that you select P2423DE/ P2723DE. 4. Click the Screen Resolution dropdown list and select 2560 x 1440. 5. Click OK. In Windows 10 and Windows 11: 1.
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 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 if 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. Disconnect all video cables from the monitor.
No HDMI Cable The display will go into Standby mode in 4 minutes. www.dell.com/P2X23DE NOTE: The message may be slightly different according to the connected input signal. NOTE: While in self-test mode, the power LED remains white. 4. This box 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.
3. Move the Joystick to select Others > Self-Diagnostic to initiate the selfdiagnostic process. 2X Monitor Brightness/Contrast Display Info Input Source DDC/CI Color LCD Conditioning Display Firmware Menu Service Tag Personalize Self-Diagnostic Others Reset Others Select Factory Reset Exit 4. When initiated, a gray screen apppears. Inspect the screen for abnormalities. 5. Toggle the Joystick. The color of the screen changes to red. Inspect the screen for abnormalities. 6.
Common problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common Symptoms What you experience No Video/Power No picture LED off No Video/Power No picture or no LED on brightness Poor Focus Picture is fuzzy, blurry, or ghosting Shaky/Jittery Video Wavy picture or fine movement Possible Solutions Ensure that the video cable connecting the monitor and the computer is properly connected and secure.
Missing Pixels Stuck-on Pixels Brightness Problems Geometric Distortion Horizontal/ Vertical Lines LCD screen has spots • Cycle power On-Off. • Pixel that is permanently Off is a natural defect that can 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 • Cycle power On-Off. bright spots • Pixel that is permanently off is a natural defect that can occur in LCD technology.
Synchronization Problems Screen is scrambled or appears torn Safety Related Issues Visible signs of smoke or sparks Intermittent Problems Monitor malfunctions on & off Missing Color Picture missing color Wrong Color Picture color not good • Reset the monitor to Factory Settings (Factory Reset). • Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode. • Check for bent or broken pins in the video cable connector.
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 the static image minutes of screen idle time. These can displayed appears be adjusted in Windows Power Options on the screen or Mac Energy Saver setting. • Alternatively, use a dynamically changing screensaver.
The picture does not fill the entire screen The picture cannot fill the height or width of the screen No video at HDMI/ When connected to DisplayPort/USB-C some dongle/ docking port device at the port, there is no video when unplugging/plugging the cable from the notebook No network connection Network dropped or intermittent The LAN port is not OS setting or cable functioning connection issue • Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.
Universal Serial Bus (USB) specific problems Common symptoms What you experience USB interface is not working USB peripherals are not working USB-C port does not supply power SuperSpeed USB 5 Gbps (USB 3.2 Gen1) interface is slow Possible Solutions • Check that your monitor is turned On. • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Turn off the monitor and turn it on again. • Reboot the computer.
Wireless USB peripherals stop working when a USB 3.2 device is plugged in Wireless USB peripherals responding slowly or only working as the distance between itself and its receiver decreases • Increase the distance between the USB 3.2 peripherals and the wireless USB receiver. • Position your wireless USB receiver as close as possible to the wireless USB peripherals. • Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.2 port.
Regulatory information FCC notices (U.S. Only) and other regulatory information For FCC notices and other regulatory information, see the regulatory compliance website located at www.dell.com/regulatory_compliance. EU product database for energy label and product information sheet P2423DE: https://eprel.ec.europa.eu/qr/1057583 P2723DE: https://eprel.ec.europa.eu/qr/1057602 Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www. dell.com/contactdell.
