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Summary of Contents for Dell Pro 34 Plus
- Page 1 Dell Pro 34 Plus USB-C Hub Monitor P3425WE User’s Guide Model: P3425WE Regulatory Model: P3425WEb 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 included in this document assumes that you have read the safety information that 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 items may be optional and may not ship with your monitor. Some features may not be available in certain countries. -
Page 7: Product Features
*Check with the sales representative of the respective country or region. Product features The Dell P3425WE monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: 867.1 mm (34.1 in.) viewable area display (measured diagonally). - Page 8 100 Hz refresh rate, and a color gamut of minimum 95% sRGB. Dell ComfortView Plus feature is enabled by default on your monitor. This monitor uses a low blue light panel. When the monitor is reset to factory settings or default setting, it is in compliance with •...
- Page 9 Table 3. Eye Comfort 3.0 requirements and star rating scheme for monitors. Eye Comfort 3.0 Requirements and Star Rating Scheme for Monitors Category Test item Star Rating Scheme 3-star 4-star 5-star Eye Care Low Blue Light TÜV Hardware LBL TÜV Hardware LBL TÜV Hardware LBL Category III (≤50%) or Category II (≤35%) or...
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Page 10: Operating System Compatibility
Windows 10 and later* macOS 12* and macOS 13* • *The operating system compatibility on Dell and Alienware branded monitors may vary based on factors such as: Specific release date(s) when operating system versions, patches, or updates are available. •... -
Page 11: Back View
Lists the regulatory approvals. Stand release button Releases stand from the monitor. Barcode, serial number, and Service Refer to this label if you need to contact Dell for technical support. Tag label Power On/Off button To turn the monitor on or off. -
Page 12: Bottom View
Bottom view 4 5 6 Figure 3. Bottom view without monitor stand Table 6. Components and descriptions. Label Description Soundbar slots Attach your external Soundbar (sold separately) to the monitor by aligning the magnetic tabs on the soundbar with the slots on the monitor. Security-lock slot Secures the monitor with a security lock (security lock not included). -
Page 13: Monitor Specifications
Label Description RJ45 port Supports Ethernet connection 10/100/1000 Mbps. Connect the Internet. You can surf the Internet via RJ45 only after you have connected one of the following cables from your computer to the upstream port of the monitor: USB-C to C cable (Rear side USB-C upstream port) •... -
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 28 kHz to 151 kHz (automatic) Vertical scan range 30 Hz to 100 Hz (automatic) Maximum preset resolution 3440 x 1440 at 100 Hz Supported video modes Table 9. Supported video modes. Description Value Video display capabilities (HDMI &... -
Page 16: Electrical Specifications
Electrical specifications Table 11. Electrical specifications. Description Value Video input signals HDMI*/DisplayPort 1.4**, 600 mV for each differential line, 100 ohm input • impedance per differential pair USB-C (with DisplayPort 1.4 Alternate Mode) signal input support • AC input voltage/frequency/current 100 VAC to 240 VAC/50 Hz or 60 Hz ± 3 Hz/3 A (typical) Inrush current 120 V: 40 A (Max.) at 0°C (cold start) •... -
Page 17: 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 18: Pin Assignments
Non-operating Storage: 5% to 90% (non-condensing) • • Shipping: 5% to 90% (non-condensing) Altitude Operating 5000 m (16404 ft) (maximum) Non-operating 12192 m (40000 ft) (maximum) Thermal dissipation 682.40 BTU/Hour (Maximum) • 94.17 BTU/Hour (On mode) • Pin assignments DisplayPort connector Figure 4. DisplayPort connector Table... -
Page 19: Hdmi Connector
HDMI connector Figure 5. HDMI connector Table 15. HDMI pins and assignments. Pin number 19-pin side of the connected signal cable 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 TMDS DATA 0- TMDS CLOCK+... -
Page 20: Quick Access
USB Type-A downstream connector Figure 6. (Rear) Figure 7. (Quick Access) Table 18. USB Type-A pins and assignments. Pin number Signal name Pin number Signal name VBUS StdA_SSRX+ GND_DRAIN StdA_SSTX- StdA_SSTX+ StdA_SSRX- Shell Shield USB-C connector Figure 8. USB-C connector Table 19. USB-C pins and assignments. Pin number Signal name Pin number... - Page 21 USB ports One USB-C 5Gbps upstream port - rear • One USB-C 5Gbps downstream port - Quick Access • Three USB 5Gbps Type-A downstream ports - rear (2) and Quick Access (1) • NOTE: USB 5Gbps functionality requires a USB 5Gbps-capable computer. NOTE: The USB ports on the monitor work only when the monitor is turned On or in Standby mode.
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Page 22: Rj45 Connector
Green 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 through USB-C/USB Type-B max speed is 1000 Mbps. -
Page 23: 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 on Dell Monitor Quality and Pixel Policy, see www.dell.com/pixelguidelines. -
Page 24: 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: Position your computer so that the monitor and keyboard are directly in front of you as you work. - Page 25 Hold the bottom edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor. • Figure 12. Proper ways of handling and moving the monitor When lifting or moving the monitor, ensure the screen is facing away from you and do not press on the display area to avoid any •...
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Page 26: Maintenance Guidelines
For best practices, follow the instructions in the list 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 27: Setting Up The Monitor
Setting up the monitor Attaching the stand NOTE: The stand assembly is not pre-installed 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 were included with the stand. - Page 28 5. Lift the protective cover, as shown, to access the VESA area for stand assembly. Figure 17. Lift the protective cover NOTE: Before attaching the stand assembly to the display, ensure that the front plate flap is opened to allow space for assembly. 6.
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Page 29: Remove The Protective Cover
7. Hold the stand riser and lift the monitor carefully, then place it on a flat surface. Figure 19. Lift the monitor from the packaging NOTE: Lift the monitor carefully to prevent it from slipping or falling. 8. Remove the protective cover from the monitor. Figure 20. Remove the protective cover Using the quick access ports... -
Page 30: Connecting Your Monitor
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 31: Connecting The Displayport (Displayport To Displayport) Cable
Connecting the DisplayPort (DisplayPort to DisplayPort) cable Figure 24. Connecting the DisplayPort cable Connecting the HDMI cable Figure 25. Connecting the HDMI cable Connecting the USB Type-A to Type-B cable Figure 26. Connecting the USB Type-A to Type-B cable NOTE: Use the USB Type-A to Type-B cable shipped with your monitor only. Setting up the monitor... -
Page 32: 27. Connecting The Usb-C To C Cable
Connecting the USB-C to C cable Figure 27. Connecting the USB-C to C cable NOTE: Use the USB-C to C cable shipped with your 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. •... -
Page 33: 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 34 2. Select Hardware and Sound > Power Options. Figure 32. PC Hardware and Sound 3. Go to System Settings. Figure 33. PC System Settings Setting up the monitor...
- Page 35 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. Figure 34. PC System Settings: When you press the power button Figure 35. PC System Settings: When you press the sleep button NOTE: Do not select “Do nothing”, otherwise the monitor power button will not be able to sync with PC system power state.
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Page 36: Connecting The Monitor For Dpbs For The First Time
4. 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 37: Using Dpbs Function
Waking on the USB-C cable When you connect the USB-C to 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 38 When the monitor and the PC power state are both on, press and hold the power button on the monitor for 4 seconds, the • screen prompt asks if you would like to shut down the PC. Figure 39. Press and hold monitor power button for 4 seconds Figure 40. Screen prompting monitor and PC shut down When it is necessary to force shut down the system, press and hold the power button on the monitor for 10 seconds.
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Page 39: Connecting The Monitor For Usb-C In Dpbs Mode
Connecting the monitor for USB-C in DPBS mode 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 40 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.
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Page 41: Organizing Your Cables
Organizing your cables Figure 46. Organizing your cables When connecting the necessary cables (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 Removing the monitor stand). -
Page 42: Removing The Monitor Stand
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. -
Page 43: Vesa Wall Mounting (Optional)
VESA wall mounting (optional) Figure 49. VESA wall mounting (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. -
Page 44: Operating The Monitor
Operating the monitor Turn on the monitor Press the power button to turn on the monitor. Figure 50. Monitor power button Using the joystick control Use the joystick control on the rear of the monitor to make On-Screen Display (OSD) adjustments. Figure 51. Monitor joystick control 1. -
Page 45: Using The On-Screen Display (Osd) Menu
Table 25. Joystick functions Joystick Description When there is no OSD on the screen, press the joystick to launch the Menu Launcher. See • Accessing the Menu Launcher. When the OSD is displayed, press the joystick to confirm the selection or save the settings. •... -
Page 46: Using The Navigation Keys
Label Icon Description When you move the joystick to the left or right to toggle through the shortcut functions, the selected item will be highlighted and shifted to the center position. Press the joystick to enter its submenu. • USB Switch To switch between the USB upstream sources in PIP/PBP mode. Input Source: To choose an input source from the list of video signals that may be •... -
Page 47: 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. Table 27. Access the menu system Icon Menu and submenu Description Brightness/Contrast Use this menu to activate Brightness/Contrast adjustment. Figure 54. Brightness/Contrast menu Brightness... -
Page 48: Color Menu
Icon Menu and submenu Description 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 90W input, the wattage value remains after the specified option, e.g., PC 1 90W. - Page 49 Icon Menu and submenu Description Preset Modes Allows you to choose from the list of preset color modes. Press the joystick to confirm the selection. Figure 57. Preset Modes menu Standard: This is the default setting. Using a low blue light panel, this monitor •...
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Page 50: Display Menu
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 51: Pip/Pbp Menu
Icon Menu and submenu Description PIP/PBP This function brings up a window displaying images from another input source. Press the joystick to confirm the selection. Figure 61. PIP/PBP menu Table 28. Sub-Window Main Window USB-C DisplayPort HDMI USB-C — √ √ DisplayPort √... - Page 52 Icon Menu and submenu Description Contrast (Sub) Adjusts the contrast level of the picture in PIP/PBP mode. Move the joystick to adjust the contrast level from ‘0’ to ‘100’. NOTE: The function is available only when the PIP/PBP mode is enabled. Figure 63. USB menu DP assign to...
- Page 53 Icon Menu and submenu Description Lock With the control buttons on the monitor locked, you can prevent people from accessing the controls. Figure 65. Lock menu Menu Buttons: All joystick functions are locked and not accessible by the user. • Power Button: Only the Power button is locked and not accessible by the user. •...
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Page 54: Personalize Menu
The function is not selectable and will be defaulted to On in Off Mode if the monitor is connected to Dell Latitude and Precision notebooks 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 55: Others Menu
Icon Menu and submenu Description Other USB Charging Allows you to enable or disable USB Type-A and USB-C downstream ports charging function during monitor standby mode. When this function is enabled, you will be able to charge your mobile devices through connections to the USB Type-A and USB-C downstream ports even when the monitor is powered off. -
Page 56: Factory Reset Menu
Icon Menu and submenu Description 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 function by selecting On. Figure 70. LCD Conditioning menu Self-Diagnostic Select this function to run the built-in diagnostics, see Built-in... - Page 57 Select to display the current settings, firmware version, and service tag of your monitor. Figure 73. Display Info menu 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 58: Osd Messages
OSD messages Initial Setup When Factory Reset is selected, the following message appears: Figure 74. Factory Reset message If you select Yes to reset to default settings, the following message appears: Figure 75. Press the Navi key Operating the monitor... -
Page 59: Select Language
Press the Navi key, the following message appears: Figure 76. Select language Select your preferred language, the following message appears: Figure 77. USB-C and Other USB charging functions Operating the monitor... -
Page 60: Osd Warning Message
If you select No (the default option), the following message appears: Figure 78. Multiple PC connection guide OSD warning message When the monitor does not support a particular resolution mode, you will see the following message: Figure 79. Resolution message 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 61 Figure 81. Brightness message NOTE: If you select Yes, the message will not appear the next time you change the Brightness setting. 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 82. Power saving message...
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Page 62: Locking The Control Buttons
When the monitor goes into Standby mode, the following message appears: Figure 85. Standby mode message 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: Figure 86. No signal message... -
Page 63: Setting The Kvm Switch
2. Move the joystick to select one of the following options: : The OSD menu settings are locked and not accessible. • • : The power button is locked. : The OSD menu settings are not accessible and the power button is locked. •... - Page 64 NOTE: The USB-C connection currently supports data transfer only. Ensure that USB for DP is assigned to USB-B and HDMI is assigned to USB-C 90W. Figure 91. USB pairing in OSD for DisplayPort and HDMI b. When connecting DisplayPort + USB Type-A to Type-B cables to computer 1 and USB-C to C cable to computer 2: Figure 92. KVM connection with DisplayPort and USB-C Ensure that USB for DP is assigned to USB-B...
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Page 65: Setting The Auto Kvm
Setting the Auto KVM The Auto KVM feature enables the monitor to effortlessly identify a new connection and smoothly transition control to the newly connected computer. This automatic detection and seamless switching mechanism ensure a hassle-free experience when switching between different computers. You can follow below instruction to set up Auto KVM for your monitor: 1. -
Page 66: Setting The Maximum Resolution
If you have a Dell desktop or laptop: Go to www.dell.com/support, enter your service tag, and download the latest driver for your graphics card. • 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. -
Page 67: Slant Adjust
Slant adjust With the stand attached to the monitor, you can adjust the monitor to your desired angle with the slant adjust feature. 4° 4° Figure 99. Monitor slant adjustment Operating the monitor... -
Page 68: 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: 1. -
Page 69: Common Problems
• 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. Stuck-on pixels LCD screen has bright Cycle power On-Off. -
Page 70: Product Specific Problems
Common symptoms What you experience Possible solutions Intermittent problems Monitor malfunctions on • Ensure that the video cable connecting the monitor to the computer is and off connected properly and is secure. • Reset the monitor to factory settings. Perform monitor self-test feature check to determine if the intermittent •... -
Page 71: Universal Serial Bus (Usb) Specific Problems
Specific symptoms What you experience Possible solutions No video at HDMI/ When connected to Unplug the HDMI/DisplayPort/USB-C to C cable from dongle/docking DisplayPort/USB-C port some dongle/docking device, then plug the docking HDMI/DisplayPort/USB-C to C cable into the device at the port, notebook. -
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 www.dell.com/contactdell. NOTE: Availability varies by country and 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 on your purchase invoice, packing slip, bill, or Dell product catalog.
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