Dell Pro 24 Plus User Manual
Qhd usb-c hub monitor
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Summary of Contents for Dell Pro 24 Plus
- Page 1 Dell Pro 24 Plus QHD USB-C Hub Monitor P2425DE User’s Guide Model: P2425DE Regulatory Model: P2425DEc March 2025 Rev. A00...
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Page 2: Notes, Cautions, And Warnings
A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2025 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners. -
Page 3: Table Of Contents
Dell Display and Peripheral Manager (DDPM) for Windows ....... . . - Page 4 Contacting Dell ........
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Page 5: Safety Instructions
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 in this document assumes that you have read the safety information that is shipped with your monitor. -
Page 6: About Your Monitor
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 components may be optional and may not ship with your monitor. Some features may not be available in certain countries. -
Page 7: Product Features
This monitor is certified with TÜV Rheinland Eye Comfort 3.0 with a 4-star rating. It incorporates key technologies that also • deliver a flicker-free screen, up to 100 Hz refresh rate, a color gamut of minimum sRGB 95%. Dell ComfortView Plus feature is enabled by default on your monitor. - Page 8 Decreases the level of hazard blue light emitted from the screen to make viewing more comfortable for your eyes without • distortion of color accuracy. The monitor features Flicker-Free technology, which eliminates visible flicker to ensure a comfortable viewing experience and •...
- Page 9 Table 3. Eye Comfort 3.0 Requirements and Star Rating Scheme for Monitors Star Rating Scheme Category Test item 3-star 4-star 5-star TÜV Hardware LBL TÜV Hardware LBL TÜV Hardware LBL Low Blue Light Category III (≤50%) or Category II (≤35%) or Category II (≤35%) or Software LBL solution¹...
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Page 10: Operating System Compatibility
*The operating system compatibility on Dell branded monitors may vary based on factors such as: • Specific release date(s) when operating system versions, patches, or updates are available. Specific release date(s) when Dell branded monitor firmware, software application, or driver updates are available on the Dell • support website. -
Page 11: Back View
Operating the monitor. Regulatory label (including MyDell QR See this label if you need to contact Dell for technical support. The code, serial number, and Service Tag label) Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your monitor and access warranty information. -
Page 12: Bottom View
Bottom view Figure 3. Bottom view Table 6. Components and descriptions. Label Description Security-lock slot Secure your monitor using a security lock (purchased separately) to (based on Kensington Security Slot) prevent unauthorized movement of your monitor. Connect the power cable (shipped with your monitor). Power connector Stand-lock feature Lock the stand to the monitor using a M3 x 6 mm screw (screw not... -
Page 13: Monitor Specifications
Monitor specifications Table 7. Monitor specifications. Description Value Screen type Active matrix - TFT LCD Panel technology In-Plane Switching (IPS) Technology 16:9 Aspect ratio Viewable image dimensions Diagonal 604.5 mm (23.8 in.) Active area Horizontal 526.85 mm (20.74 in.) Vertical 296.35 mm (11.67 in.) Area 1561.32 mm (242.01 in. -
Page 14: Dell Display And Peripheral Manager (Ddpm) For Windows
Dell Display and Peripheral Manager (DDPM) for Windows DDPM is a software application that helps you set up and configure the Dell monitors and peripherals. Some of its features include: 1. Adjusting the monitor On-Screen Display (OSD) settings such as brightness, contrast, and resolution without needing to use the joystick on the monitor. -
Page 15: Resolution Specifications
Resolution specifications Table 8. Resolution specifications Description Value Horizontal scan range 30 kHz to 150 kHz (automatic) Vertical scan range 48 Hz to 100 Hz (automatic) Maximum preset resolution 2560 x 1440 at 100 Hz Supported video modes Table 9. Supported video modes Description Value Video display capabilities... -
Page 16: Dp Multi-Stream Transport (Mst) Modes
DP Multi-Stream Transport (MST) modes Table 11. Using USB-C MST Source Monitor Maximum number of external monitor that can be supported 2560 x 1440 @ 100 Hz 2560 x 1440 @ 100 Hz 3* (with USB-C DP Alt mode) Table 12. Using DisplayPort MST Source Monitor Maximum number of external monitors can be supported 2560 x 1440 @ 100 Hz... - Page 17 NOTE: This monitor is ENERGY STAR certified. ENERGY STAR is a program run by the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE) that promotes energy efficiency. This product qualifies for ENERGY STAR in the factory default settings, and this is the setting in which power savings is achieved.
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Page 18: Physical Characteristics
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. -
Page 19: Environmental Characteristics
Environmental characteristics Table 15. Environmental characteristics Description Value Compliant Standards ENERGY STAR certified monitor • EPEAT registered where applicable. EPEAT registration varies by country. See EPEAT website • registration status by country. RoHS-compliant • TCO Certified and TCO Certified Edge • BFR/PVC free monitor (excluding external cables) •... -
Page 20: Pin Assignments
Pin assignments Pin assignment - DisplayPort (in) Figure 4. DisplayPort Connector (in) Table 16. Pin assignments - DisplayPort connector Pin number 20-pin side of the connected Signal assignment ML3 (n) ML3 (p) ML2 (n) ML2 (p) ML1 (n) ML1 (p) ML0 (n) ML0 (p) AUX (p) AUX (n) -
Page 21: Pin Assignment - Displayport (Out)
Pin assignment - DisplayPort (out) Figure 5. DisplayPort Connector (out) Table 17. Pin assignments - DisplayPort connector Pin number 20-pin side of the connected Signal assignment ML0 (p) ML0 (n) ML1 (p) ML1 (n) ML2 (p) ML2 (n) ML3 (p) ML3 (n) CONFIG1 CONFIG2 AUX CH (p) -
Page 22: Pin Assignment - Hdmi Port
Pin assignment - HDMI Port Figure 6. HDMI 19-pin connector Table 18. Pin assignments - HDMI connector Pin number 19-pin side of the connected Signal assignment TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2- TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1- TMDS DATA 0+ TMDS DATA 0 SHIELD... -
Page 23: Pin Assignment - Usb-C
Pin assignment - USB-C Figure 7. USB-C connector Table 19. Pin assignments - USB-C connector. Pin number Signal name Pin number Signal name TX1+ TX2+ TX1- TX2- VBUS VBUS SBU1 SBU2 VBUS VBUS RX2- RX1- RX2+ RX1+ Pin assignment - USB Type-A downstream connector Figure 8. USB Type-A 9-pin connector Table... -
Page 24: Universal Serial Bus (Usb) Interface
Universal Serial Bus (USB) interface This section provides information about the USB ports that are available on the monitor. Rear One USB-C 5Gbps upstream • Table 21. USB-C 5Gbps upstream USB-C Description Video DisplayPort 1.4* Data 5 Gbps Power Delivery (PD) Up to 90 W *HBR3 is supported. -
Page 25: Video Bandwidth
Video bandwidth Table 25. Video bandwidth Host Video cable USB-C prioritization Color depth Resolution High Data Speed 8 bits USB-C (DP 1.4 Alt. Mode) USB-C cable High Resolution 8 bits HDMI 1.4 HDMI cable 8 bits 2560 x 1440 at 100 Hz DP 1.2 DP cable 8 bits... -
Page 26: Pin Assignment - Rj45 Port
Pin assignment - RJ45 port Figure 9. RJ45 Port connector Table 27. Pin assignments - RJ45 port Pin number Signal assignment TD1+ TD1- TD2+ TD2- TD3+ TD3- TD4+ TD4- GREEN GREEN GREEN_AMBER GREEN_AMBER About your monitor... -
Page 27: Driver Installation
This LAN port is 1000Base-T IEEE 802.3az compliant, supporting Mac Address (Printed on model label) Pass-thru (MAPT), Wake-on-LAN (WOL) from standby mode (S3) and UEFI* PXE Boot function [UEFI PXE Boot is not supported on Dell Desktop PC’s (except for OptiPlex 7090/3090 Ultra Desktop)], these 3 features depend on BIOS settings and version of the OS. -
Page 28: Plug-And-Play Capability
During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability. For more information about Dell Monitor Quality and Pixel... -
Page 29: Ergonomics
Ergonomics CAUTION: Improper or prolonged usage of keyboard may result in injury. CAUTION: Viewing the monitor screen for extended periods of time may result in eye strain. For comfort and efficiency, observe the following guidelines when setting up and using your computer workstation: •... -
Page 30: Handling And Moving Your Display
Handling and moving your display To ensure that the monitor is handled safely when lifting or moving it, follow these 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. -
Page 31: Maintenance Guidelines
For best practices, follow the instructions that are listed below when unpacking, cleaning, or handling your monitor: Use a clean cloth that is slightly dampened with water to clean the stand assembly, the screen, and the chassis of your Dell •... -
Page 32: Setting Up The Monitor
Setting up the monitor Connecting the stand NOTE: The stand is not attached when the monitor is shipped from the factory. 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 are included with the stand. - Page 33 Attach the stand assembly to the display. Carefully insert the tabs on the stand riser into the slots on the display back cover and lower the stand assembly to snap it into place. Figure 18. Attach the stand assembly to the display Hold the stand riser and lift the monitor carefully, then place it on a flat surface.
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Page 34: Using The Quick Access Ports
Safety instructions. NOTE: Dell monitors are designed to work optimally with the Dell-supplied cables inside the box. 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. -
Page 35: Connecting The Displayport (Displayport To Displayport) Cable
Connecting the DisplayPort (DisplayPort to DisplayPort) cable DisplayPort DP 1.4 Figure 23. Connecting the DisplayPort cable Connecting the USB Type-C to Type-A cable USB Type-A USB-C Figure 24. Connecting the USB Type-C to Type-A cable Connecting the USB-C to C cable USB-C USB-C Figure 25. Connecting the USB-C to C cable... -
Page 36: Connecting The Monitor For Dp Multi-Stream Transport (Mst) Function
Connecting the monitor for DP Multi-Stream Transport (MST) function Figure 27. 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 DP 1.4 with MST option. -
Page 37: Dell Power Button Sync (Dpbs)
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. - Page 38 Go to System Settings. 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. Setting up the monitor...
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Page 39: Connecting The Monitor For Dpbs For The First Time
Both the monitor and PC will turn ON normally. If not, press the power button either on the monitor or the PC to boot up the system. NOTE: Ensure that Dell Power Button Sync is set to On. See Dell Power Button Sync. -
Page 40: Using Dpbs Function
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 through the monitor. Upon USB-C cable connection, mouse... -
Page 41: Connecting The Monitor For Usb-C Multi-Stream Transport (Mst) Function
When it is necessary to force shut down the system, press and hold the power button on the monitor for 10 seconds. • Connecting the monitor for USB-C Multi-Stream Transport (MST) function A PC is connected to two monitors in an initially OFF power state, and the PC system power state is in sync with the power button on Monitor 1. -
Page 42: Connecting The Monitor For Usb-C
Connecting the monitor for USB-C If the Dell PC* has more than two USB-C ports, the power state of each connected monitor will sync with the PC. For example, 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. -
Page 43: Organizing Your Cables
Ensure that Dell Power Button Sync is set to On (see Dell Power Button Sync). 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. -
Page 44: Securing Your Monitor Using Kensington Lock (Optional)
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 about using the Kensington lock (sold separately), see the documentation that is shipped with the lock. Figure 31. Using Kensington lock NOTE:... -
Page 45: Wall Mounting (Optional)
Wall mounting (optional) Figure 33. Wall mounting NOTE: Use M4 x 10 mm screws to connect the monitor to the wall mounting kit. See the documentation that is shipped with the VESA-compatible wall mounting kit. Place the monitor panel on a soft cloth or cushion on a stable flat table. Remove the monitor stand (see Removing the monitor stand). -
Page 46: Using The Tilt, Swivel, Pivot And Height Adjustment
Using the tilt, swivel, pivot and height adjustment 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 setup instructions that are included with the stand. Tilt and swivel adjustment With the stand attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle. -
Page 47: Rotate Clockwise
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: Right-click on the desktop and click Properties. -
Page 48: Operating The Monitor
Operating the monitor Turn on the monitor Press the power button to turn on the monitor. Figure 39. 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. Figure 40. Using the joystick control Press the joystick to launch the Menu Launcher. -
Page 49: Using The On-Screen Display (Osd) Menu
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. Figure 41. Accessing the Menu Launcher Table 31. Describes the Menu Launcher functions:... -
Page 50: Using The Navigation Keys
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. Figure 42. Navigation keys Table 32. Control buttons and descriptions. Control Buttons Description Use the Up navigation key to adjust (increase ranges) items in the OSD menu. Use the Down navigation key to adjust (decrease ranges) items in the OSD menu. -
Page 51: Accessing The Menu System
Accessing the menu system NOTE: After you change the settings, press the joystick to save the changes before exiting or proceeding to another menu. 1. Select the icon to launch the OSD and display the main menu. Figure 43. OSD main menu 2. - Page 52 Table 33. OSD menu Icon Menu and submenu Description Brightness/Contrast Adjusts the brightness and the contrast of the display. Brightness Brightness adjusts the luminance of the backlight. Move the joystick up or down to increase or decrease the brightness level (min 0 ~ max 100).
- Page 53 Icon Menu and submenu Description Options for USB-C Allows you to set Auto Select for USB-C to: Prompt for Multiple Inputs: Always displays the Switch to USB-C Video Input • message for you to choose whether to switch or not. Always Switch: Automatically switches to USB-C video input (without prompting) •...
- Page 54 When Off is selected, the Wake-on-Connect function remains active. When USB-C connection is detected, the computer will be turned on. NOTE: This function is only supported with Dell platform which has built-in DPBS function, and is only supported over USB-C interface. Reset Display Resets all display settings to the factory preset values.
- Page 55 Icon Menu and submenu Description Menu Adjusts the settings of the OSD, such as the languages of the OSD, the amount of time the menu remains on screen, and so on. Language Sets the OSD display to one of the eight languages (English, Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese, or Japanese).
- Page 56 The function is not selectable and and is set to On in Off Mode by default. If Monitor is connected to Dell Latitude and Precision laptops that support Dell Power Button Sync through USB-C. Under this configuration, the monitor USB-C charging function is always available during Off Mode.
- Page 57 Icon Menu and submenu Description Others Adjusts the OSD settings, such as DDC/CI, LCD Conditioning, Self-Diagnostic, and so on. DDC/CI DDC/CI (Display Data Channel/Command Interface) allows you to adjust the monitor settings using software on your computer. Enable this function for the best user experience and optimum performance of your monitor.
- Page 58 The image shown is for the purpose of illustration only. The information may vary depending on the model and current settings. Dell Monitor Support To access the general monitor support materials for your monitor, use your smartphone to scan the QR code.
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Page 59: Osd Warning Messages
OSD warning messages Initial Setup When you turn on the monitor, the following message appears: Figure 44. The message of pressing the joystick If you press the joystick, the following message appears: Figure 45. The message of selecting language Operating the monitor... - Page 60 If you select your language, the following message appears: Figure 46. The message of selecting the USB charging function If you select this function or message timeout , the following message appears Figure 47. The message of selecting the USB charging function or message timeout Operating the monitor...
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Page 61: Osd Warning Message
OSD warning message When the monitor does not support a particular resolution mode, the following message appears: Figure 48. Warning message of not supported resolution mode This means that the monitor cannot synchronize with the signal that it is receiving from the computer. See Monitor specifications the Horizontal and Vertical frequency ranges addressable by this monitor. - Page 62 When you change the default setting of power saving features for the first time, such as USB-C Charging 90W, Other USB Charging, or Fast Wakeup, the following message appears: Figure 51. Warning message of the increase power consumption NOTE: If you select Yes for either one of the functions mentioned above, the message will not appear the next time you change the settings of these functions.
- Page 63 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. If USB-C, DisplayPort, or HDMI input is selected and the corresponding cable is not connected, the following message appears: Figure 55. The message of No USB-C Cable Figure...
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Page 64: Locking The Control Buttons
Locking the control buttons You can lock the monitor control buttons to prevent access to the OSD menu and/or power button. Move and hold the joystick up, down, left, or right for about four seconds until a pop-up menu appears. Figure 58. The message of locking the control buttons Move the joystick to select one of the following options:... -
Page 65: Setting The Maximum Resolution
• If you are using a non-Dell computer (laptop or desktop): Go to the support site for your non-Dell computer and download the latest graphic card drivers. • Go to the graphics card’s website and download the latest graphic card drivers. -
Page 66: Troubleshooting
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: Turn off both your computer and the monitor. -
Page 67: Built-In Diagnostics
Built-in diagnostics Your monitor includes a built-in diagnostic tool to help you identify whether the screen abnormality is due to an issue with the monitor itself or with your computer and video card. To run the built-in diagnostics: Ensure that the screen is clean (no dust particles on the surface of the screen). Press the joystick button to launch the OSD Main Menu. -
Page 68: Common Problems
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 about Dell Monitor Quality and Pixel Policy, see Dell Display Pixel Guidelines. Stuck-on pixels LCD screen has bright spots Cycle power On-Off. - Page 69 What you experience Possible solutions Safety related issues Visible signs of smoke or Do not perform any troubleshooting steps. sparks Contact Dell immediately. Intermittent problems Monitor malfunctions on Ensure that the video cable connecting the monitor to the computer is and off connected properly and is secure.
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Page 70: Product-Specific Problems
Product-specific problems Table 35. Product-specific problems Specific symptoms What you experience Possible solutions Screen image is too small Image is centered on Check the Aspect Ratio setting in the Display menu OSD. screen, but does not fill Reset the monitor to factory settings (Factory Reset). the entire viewing area Cannot adjust the monitor OSD does not appear on... -
Page 71: Universal Serial Bus (Usb) Specific Problems
Universal Serial Bus (USB) specific problems Table 36. Universal Serial Bus (USB) specific problems Common symptoms What you experience Possible solutions USB interface is not USB peripherals are not • Check that your monitor is turned on. working working • Reconnect the upstream cable to your computer. •... -
Page 72: Regulatory Information
Regulatory information TCO Certified Any Dell product bearing a TCO label has been certified to a TCO voluntary environmental certification. TCO certification requirements focus on features that contribute to a healthy work environment such as recyclable design, energy efficiency, ergonomics, emissions, avoidance of hazardous substances, and product take back. -
Page 73: Contacting Dell
Contacting Dell To contact Dell for sales, technical support, or customer service issues, see Contact Support at Dell Support Site. NOTE: Availability varies by country, region, or product, and some services may not be available in your country. NOTE: If you do not have an active Internet connection, you can find contact information about your purchase invoice, packing slip, bill, or Dell product catalog.
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