Dell P3421W User Manual
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Dell P3421W User Manual

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Dell P3421W Monitor
User's Guide
Model: P3421W
Regulatory model: P3421Wb

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Summary of Contents for Dell P3421W

  • Page 1 Dell P3421W Monitor User’s Guide Model: P3421W Regulatory model: P3421Wb...
  • Page 2 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 trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents About your monitor ......6 Package contents ....... . 6 Product features .
  • Page 4 Cleaning your monitor ........24 Setting up the monitor ..... . 25 Attaching the stand .
  • Page 5 ........75 Contact Dell ........75 EU product database for energy label and product information sheet .

  • Page 6: About Your Monitor

    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.
  • Page 7 Power cable (varies by country) DisplayPort cable (DisplayPort to DisplayPort) HDMI cable USB Type-C cable (USB 3.2 Gen1 (5 Gbps)) USB 3.2 Gen1 (5 Gbps) upstream cable (enables the USB ports on the monitor) Cable tie • Quick Setup Guide •...

  • Page 8: Product Features

    Product features The Dell P3421W monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: • 86.72 cm (34.14 in.) viewable area (measured diagonally). 3440 x 1440 (21:9) resolution, plus full-screen support for lower resolutions.

  • Page 9: Identifying Parts And Controls

    Identifying parts and controls Front view Label 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. │ About your monitor...

  • Page 10: Back View

    Releases stand from the monitor. Barcode, serial number, and Refer to this label if you need to Service Tag label contact Dell for technical support. Power On/Off button To turn the monitor on or off. Joystick Use to control the OSD menu. (For...

  • Page 11: Bottom View

    Bottom view Bottom view without monitor stand Label Description Security lock slot Secures the monitor with security lock (security lock not included). Power connector Connect the power cable (shipped with your monitor). HDMI port Connect your computer with the HDMI cable (shipped with your monitor).

  • Page 12: Monitor Specifications

    To avoid signal interference, when a wireless USB device has been connected to a USB downstream port, it is NOT recommended to connect any other USB devices to the adjacent port(s). Monitor specifications Model P3421W Screen type Active matrix - TFT LCD Panel technology In-Plane Switching Technology...
  • Page 13 Viewing angle 178° (vertical) typical 178° (horizontal) typical Luminance output 300 cd/m² (typical) Contrast ratio 1000 to 1 (typical) Faceplate coating Anti-Glare with 3H hardness Backlight White LED edgelight system Response time 8 ms (Normal) 5 ms (Fast) Curvature 3800R (typical) Color depth 1.07 billion colors NOTE: Video output from the USB-C port at maximum resolution 3440 x 1440 at...

  • Page 14: Resolution Specifications

    Dell Display Manager Easy Arrange and other key features compatibility Security Security lock slot (cable lock sold separately) *DisplayPort and USB Type-C (Alternate mode with DisplayPort 1.2): HBR2 is supported. Resolution specifications Model P3421W Horizontal scan range 30 kHz to 85 kHz (automatic)

  • Page 15: Electrical Specifications

    88.8 60.0 319.8 Electrical specifications Model P3421W Video input signals HDMI 2.0/DisplayPort 1.2*, 600 mV for each differential line, 100 ohm input impedance per differential pair AC input voltage/ 100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 1.5 A...

  • Page 16: 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 17 Stand dimensions Height (extended) 433.3 mm (17.06 in.) Height (compressed) 386.5 mm (15.22 in.) Width 307.0 mm (12.09 in.) Depth 237.4 mm (9.35 in.) Base 307.0 mm x 235.0 mm (12.09 in. x 9.25 in.) Weight Weight with packaging 14.9 kg (32.80 lb) Weight with stand assembly and 10.8 kg (23.89 lb) cables...

  • Page 18: Environmental Characteristics

    Environmental characteristics Model P3421W 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 displays • PVC/BFR/CFR free monitor (excluding external cables) •...

  • Page 19: Pin Assignments

    Pin assignments DisplayPort connector 20-pin side of the number connected signal cable ML3 (n) ML3 (p) ML2 (n) ML2 (p) ML1 (n) ML1 (p) ML0 (n) ML0 (p) AUX (p) AUX (n) Hot Plug Detect Re-PWR +3.3 V DP_PWR │ About your monitor...
  • Page 20 HDMI connector 19-pin side of the number 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+ TMDS CLOCK SHIELD TMDS CLOCK-...

  • Page 21: Plug And Play Capability

    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.

  • Page 22: Usb 3.2 Gen1 (5 Gbps) Upstream Connector

    USB 3.2 Gen1 (5 Gbps) upstream connector Pin number 9-pin side of the connector SSTX- SSTX+ SSRX- SSRX+ USB 3.2 Gen1 (5 Gbps) downstream connector Pin number 9-pin side of the connector SSRX- SSRX+ SSTX- SSTX+ │ About your monitor...

  • Page 23: Usb 2.0 Downstream Connector

    USB 2.0 downstream connector Pin number 4-pin side of the connector USB Type-C connector Pin Number Signal Name Pin Number Signal Name TX1+ TX2+ TX1- TX2- VBUS VBUS SBU1 SBU2 VBUS VBUS RX2- RX1- RX2+ RX1+ │ About your monitor...

  • Page 24: Usb Ports

    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 25: Setting Up The Monitor

    Setting up the monitor Attaching the stand NOTE: The stand is not installed at the factory when shipped. NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the set up instructions that were included with the stand.
  • Page 26 6. Lift the cover, as shown, to access the VESA area for stand 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.
  • Page 27 8. Place the monitor upright. NOTE: Lift the monitor carefully to prevent it from slipping or falling. 9. Remove the cover from the monitor. │ Setting up the monitor...

  • Page 28: 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.

  • Page 29: Connecting The Displayport (Displayport To Displayport) Cable

    Connecting the DisplayPort (DisplayPort to DisplayPort) cable NOTE: The default out of factory setting is DP1.2. If the monitor fails to show any content after the DisplayPort cable is connected, follow the procedures below to change the settings to DP1.1: •...

  • Page 30: Connecting The Hdmi Cable

    Connecting the HDMI cable NOTE: The default out of factory setting is HDMI 2.0. If the monitor fails to show any content after the HDMI cable is connected, follow the procedures below to change the settings from HDMI 2.0 to HDMI 1.4: •...

  • Page 31: Connecting The Usb Type-C Cable

    Connecting the USB Type-C cable NOTE: Use the USB Type-C cable shipped with monitor only. • This port supports DisplayPort Alternate Mode (DP1.2 standard only). • The USB Type-C power delivery compliant port (PD Version 3.0) delivers up to 65 W of power. •...
  • Page 32 3. Plug the power cables for your computer(s) and monitor into a nearby outlet. a. Connect one computer b. Connect two computers *When connecting two computers to the monitor, configure the USB settings from the OSD menu to share a single set of keyboard and mouse connected to the monitor between two computers.

  • Page 33: Organizing Your Cables

    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.

  • Page 34: Vesa Wall Mounting (Optional)

    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.

  • Page 35: Operating The Monitor

    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.

  • Page 36: Using The On-Screen Display (Osd) Menu

    • For 2-way (right and left) directional navigation. • Move right to enter the submenu. • Move left to exit from the submenu. • For 2-way (up and down) directional navigation. • Toggles between the menu items. • Increases (up) or decreases (down) the parameters of selected menu item.

  • Page 37: Using The Navigation Keys

    When you move the joystick to the left or right to toggle between the shortcut functions, the selected item will be highlighted and shifted to the center position. Press the joystick to enter its submenu. • Input Source: To choose an input source from the list of video signals that may be connected to your monitor.

  • Page 38: Accessing The Menu System

    Accessing the menu system NOTE: After you change the settings, press the joystick to save the changes before you proceed to another menu or exit the OSD menu. Icon Menu and Description Submenus Brightness/ Use this menu to activate Brightness/Contrast Contrast adjustment.
  • Page 39 Input Source Use the Input Source menu to select between the different video signals that may be connected to your monitor. USB-C Select USB-C 65W when you are using the USB Type-C connector. Press the joystick to confirm the selection. Select DP when you are using the DisplayPort (DP) connector.
  • Page 40 Auto Select for Allows you to set Auto Select for USB-C to: USB-C • Prompt for Multiple Inputs: Always displays the “Switch to USB-C Video Input” message for you to choose whether to switch or not. • Yes: Always switches to USB-C video input (without asking) when the USB Type-C cable is connected.
  • Page 41 Color Use Color to adjust the color setting mode. Preset Modes Allows you to choose from the list of preset color modes. Press the joystick to confirm the selection. • Standard: Loads the monitor's default color settings. This is the default preset mode. •...
  • Page 42 Preset Modes WARNING: The possible long-term effects of blue light emission from the monitor may cause personal injury such as digital eye strain, eye fatigue and damage to the eyes. Using monitor for extended periods of time may also cause pain in parts of body such as neck, arm, back and shoulder.
  • Page 43 Input Color Allows you to set the video input mode to: Format • RGB: Select this option if your monitor is connected to a computer (or media player) using the USB Type-C, DisplayPort, or HDMI cable. • YPbPr: Select this option if your media player supports only YPbPr output.
  • Page 44 Display Use the Display menu to adjust images. Aspect Ratio Adjusts the image ratio to Wide 21:9, 4:3, or 5:4. Sharpness This feature can make the image look sharper or softer. Move the joystick to adjust the sharpness level from '0' to '100'.
  • Page 45 PIP/PBP This function brings up a window displaying image from another input source. Press the joystick to confirm the selection. Sub-Window Main Window USB Type-C HDMI USB Type-C HDMI NOTE: The images under PBP mode will be displayed at the center of the split windows. │...
  • Page 46 PIP/PBP Mode Allows you to choose a PBP or PIP mode from the preset list, which provides different sizes and positions of the sub-window. The options are shown in graphic format, giving a quick understanding of various layout settings, The default setting is Off. PIP/PBP (Sub) Select between the different video signals that may be connected to your monitor for the PIP/PBP sub- window.
  • Page 47 USB Switch Select to switch between the USB upstream sources in PIP/PBP mode. NOTE: The option is available only when the PIP/ PBP mode is enabled. Video Swap Select to swap videos between main window and sub-window in PIP/PBP mode. Press the joystick to confirm the selection.
  • Page 48 Allows you to assign the USB upstream port for the input signals (DP or HDMI), thus the monitor's USB downstream port (e.g. keyboard and mouse) can be used by the current input signals when you connect a computer to the upstream port. See also Setting the KVM switch for details.
  • Page 49 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. Language Sets the OSD display to one of the eight languages (English, Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese, or Japanese).
  • Page 50 Lock 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. • Menu Buttons: All joystick functions are locked and not accessible by the user. •...
  • Page 51 Personalize Shortcut Key 1 Allows you to choose a feature from Preset Modes, Brightness/Contrast, Input Source, Aspect Shortcut Key 2 Ratio, PIP/PBP Mode, USB Switch, or Display Shortcut Key 3 Info and set it as a shortcut key. Power Button Allows you to set the power LED indicator on or off to save energy.
  • Page 52 Fast Wakeup The default setting is Off. Selecting On may prevent the monitor from going into Standby mode. Pressing the joystick may also wake up the monitor after it goes into Standby mode. Reset Resets all settings under the Personalize menu to Personalization the factory preset values.
  • Page 53 DDC/CI DDC/CI (Display Data Channel/Command Interface) allows you to adjust the monitor settings using software on your computer. You can disable this feature by selecting Off. Enable this feature for best user experience and optimum performance of your monitor. Helps reduce minor cases of image retention. Conditioning Depending on the degree of image retention, the program may take some time to run.
  • Page 54 Service Tag Displays the service tag of your monitor. This string is required when you look for phone support, check your warranty status, update drivers on Dell's website, etc. Reset Others Resets all settings under the Others menu to the factory preset values.

  • Page 55: Osd Warning Message

    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.
  • Page 56 When you change the default setting of power saving features for the first time, such as USB-C Charging 65W, Other USB Charging, or Fast Wakeup, the following message appears: NOTE: If you select Yes for either of the features mentioned above, the message will not appear next time when you intend to change the settings of these features.
  • Page 57 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.
  • Page 58 When Factory Reset is selected, the following message appears: When Yes is selected, the following message appears. Troubleshooting for more information. │ Operating the monitor...

  • Page 59: Setting The Maximum Resolution

    Depending on your computer, complete one of the following procedures: If you have a Dell desktop or portable computer: • Go to http://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 (portable or desktop): •...

  • Page 60: Setting The Kvm Switch

    Setting the KVM switch The built-in KVM switch allows you to control up to 2 computers from a single set of keyboard and mouse connected to the monitor. a. When connecting HDMI + USB-B to computer 1 and DP + USB-C to computer 2: NOTE: The USB Type-C connection currently supports only data transfer.
  • Page 61 b. When connecting HDMI + USB-B to computer 1 and USB-C to computer NOTE: The USB Type-C connection currently supports video and data transfer. Make sure USB for HDMI is assigned to USB-B NOTE: As the USB Type-C port supports the DisplayPort Alternate Mode, there is no need to set USB for USB-C.

  • Page 62: Setting The Auto Kvm

    Setting the Auto KVM You can follow below instruction to set up Auto KVM for your monitor: 1. Ensure that PIP/PBP Mode is Off. 2. Ensure that Auto Select is On and Auto Select for USB-C is Yes. │ Operating the monitor...
  • Page 63 3. Ensure that the USB ports and the video inputs are paired accordingly. NOTE: For USB Type-C connection, there is no further setting required. │ Operating the monitor...

  • Page 64: Using The Tilt, Swivel, And Vertical Extension

    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.

  • Page 65: 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. │ Operating the monitor...

  • 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: 1.

  • Page 67: Built-In Diagnostics

    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).
  • Page 68 3. Move the joystick to highlight the Diagnostic icon and then press the joystick to confirm. A gray test pattern appears. 4. Carefully inspect the screen for abnormalities. 5. Press the joystick to change the test patterns. 6. Repeat steps 4 and 5 to inspect the display in red, green, blue, black, white, and text screens.

  • Page 69: Common Problems

    Common problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common What you Possible solutions symptoms experience No Video/Power No picture • Ensure that the video cable LED off connecting the monitor and the computer is properly connected and secure.
  • Page 70 • Cycle power On-Off. spots • 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 •...
  • Page 71 Safety Related Visible signs of • Do not perform any troubleshooting Issues smoke or sparks steps. • Contact Dell immediately. Intermittent Monitor • Ensure that the video cable Problems malfunctions on & connecting the monitor to the computer is connected properly and is secure.

  • Page 72: Product Specific Problems

    Image retention Faint shadow • Set the screen to turn off after a few from a static from the static minutes of screen idle time. These can image left on the image displayed be adjusted in Windows Power monitor for a long appears on the Options or Mac Energy Saver setting.

  • Page 73: Universal Serial Bus (Usb) Specific Problems

    No video at HDMI/ When connected to • Unplug the HDMI/DisplayPort/USB some dongle/ DisplayPort/USB Type-C cable from dongle/docking docking device at Type-C port device, then plug the docking HDMI/ the port, there is no DisplayPort/USB Type-C cable to the video when notebook.
  • Page 74 SuperSpeed USB SuperSpeed USB • Check that your computer is 5 Gbps (USB 3.2 5 Gbps (USB 3.2 SuperSpeed USB 5 Gbps (USB 3.2 Gen1) interface is Gen1) peripherals Gen1)-compatible. slow working slowly or • Some computers have USB 3.2, USB not working at all 2.0, and USB 1.1 ports.

  • Page 75: Appendix

    P3421W: https://eprel.ec.europa.eu/qr/347530 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. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area.

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