Dell U3421WE Users Guide

Dell U3421WE Manual

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  • Dell U3421WE | Users Guide - Page 1
    Dell UltraSharp 34 Curved USB-C Hub Monitor - U3421WE User's Guide Model: U3421WE Regulatory model: U3421WEb
  • Dell U3421WE | Users Guide - Page 2
    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 . Copyright © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
  • Dell U3421WE | Users Guide - Page 3
    6 Product features 8 Identifying parts and controls 9 Front view 9 Back view 10 Bottom view 11 Monitor specifications 13 Resolution specifications 15 Supported video modes 15 Preset display modes 15 Electrical specifications 16 Physical characteristics 17 Environmental characteristics 18
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    the monitor for RJ45 Cable (Optional 34 Organizing your cables 34 Removing the monitor stand 35 VESA wall mounting (optional 35 Operating the monitor 37 Power on the monitor 37 Using Vertical extension 67 Slant adjust 68 Troubleshooting 69 Self-test 69 Built-in diagnostics 70  4│
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    Always On USB Type-C Charging 72 Common problems 72 Product specific problems 76 Universal Serial Bus (USB) specific problems 77 Speakers Specific Problems 79 Appendix 80 FCC notices (U.S. only) and other regulatory  information 80 Contact Dell 80 EU product database for energy label and
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    technical support. For more information, see Contact Dell. NOTE: Some items may be optional and may not ship with your monitor. Some features may not be available in certain countries. NOTE: If you are attaching a stand that you purchased from any other source, follow the set up instructions that
  • Dell U3421WE | Users Guide - Page 7
    country) DisplayPort cable (DP to DP) HDMI cable USB Type-C cable Super speed USB 5 Gbps (USB 3.2 Gen1) Upstream Cable (Enables the USB Ports on the Monitor) • Quick Setup Guide • Factory calibration report • Safety, Environmental, and Regulatory Information About your monitor │ 7
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    Product features The Dell U3421WE 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
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    , including eye fatigue, digital eye strain, and so on. ComfortView feature is designed to reduce the amount of blue light emitted from the monitor to optimize eye comfort. Identifying parts and controls Front view Label Description 1 Power LED indicator Use Solid white light indicates that the
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    number, and Service Tag label Power On/Off button Joystick Cable-management slot Use Wall mount monitor using VESAcompatible wall mount kit (100 mm x 100 mm). Lists the regulatory approvals. Releases stand from the monitor. Refer to this label if you need to contact Dell for technical support. To
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    1 Security lock slot 2 Power connector 3 HDMI port (2) 4 Stand lock feature 5 DisplayPort Use Secures the monitor with security lock (security lock not included). Connect the power cable (shipped with your monitor). Connect your computer with the HDMI cable. To lock the stand to the
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    you must connect the USB Type-C cable or USB Upstream Cable (shipped with your monitor) to the USB Type-C upstream port or the USB Type- B upstream port on the monitor and to your computer. 10 RJ45 port Support Ethernet connection 10/100/1000 Mbps. 11 Super speed USB 5 Connect your USB device
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    must connect the USB Type-C cable or USB Upstream Cable (shipped with your monitor) to the USB Type-C upstream port or the USB TypeB upstream port on the monitor and to your computer. *Headphone usage is not supported for the audio line out connector. **To avoid signal interference, when a wireless
  • Dell U3421WE | Users Guide - Page 14
    line-out port • 1 x RJ45 port Border width (edge of 10.4 mm (Top) monitor to active area) 9.7 mm (Left/Right) 13.9 mm (Bottom) Adjustability Height adjustable stand Swivel -30° to 30° Slant adjust -4° to 4° Dell Display Manager Easy Arrange and other key features compatibility Security
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    HBR3/ DisplayPort 1.4/DP audio is supported. Resolution specifications Model Horizontal scan range Vertical scan range Maximum preset resolution Supported video modes U3421WE 30 kHz to 89 kHz ( 40.0 49.5 65.0 78.8 108.0 71.0 108.0 Sync polarity (Horizontal /Vertical) About your monitor │ 15
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    * Requires a graphics card that supports HDMI 2.0. Electrical specifications Model Video input signals AC input voltage/ frequency/current Inrush current Power consumption U3421WE HDMI 2.0*/DisplayPort 1.4**, 600 mV for in kWh as defined in Energy Star 8.0 version. 16 │ About your monitor
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    that could exceed the ENERGY STAR specified limit. Physical characteristics Model U3421WE Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins • Universal Series Bus: Type-C, 24 pins NOTE: Dell monitors are designed to work optimally with the video cables that are
  • Dell U3421WE | Users Guide - Page 18
    .30 kg (35.93 lb) 11.65 kg (25.68 lb) 7.52 kg (16.57 lb) 3.63 kg (8.00 lb) Model U3421WE 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
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    14 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 About your monitor │ 19
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    0 SHIELD TMDS DATA 0TMDS CLOCK+ TMDS CLOCK SHIELD TMDS CLOCKCEC Reserved (N.C. on device) DDC CLOCK (SCL) DDC DATA (SDA) DDC/CEC Ground 20 │ About your monitor
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    devices or normal USB devices. Maximum power supported* 4.5 W 4.5 W 4.5 W battery icon) with BC1.2 USB Type-C Video Data Power Delivery (PD) Description DisplayPort 1.4* Super speed USB 5 Gbps (USB 3.2 Gen1) Up to 90 W *HBR3/DisplayPort 1.4/DP audio is supported. About your monitor │ 21
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    USB 3.2 upstream connector Pin number 1 2 3 4 5 6 7 8 9 9-pin side of the connector VCC DD+ GND SSTXSSTX+ GND SSRXSSRX+ USB 3.2 downstream connector Pin number 1 2 3 4 5 6 7 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND 22 │ About your monitor
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    Gen1) Type-B upstream - bottom • 4 super speed USB 5 Gbps (USB 3.2 Gen1) Type-A downstream - bottom Power Charging Port - the port with battery icon; supports up to 2 A fast-charging capability if the device is BC1.2 compatible. NOTE: Super speed USB 5 Gbps (USB 3.2 Gen1) functionality requires
  • Dell U3421WE | Users Guide - Page 24
    turned On or in Standby mode. If you turn Off the monitor and then turn it On, the attached peripherals may take a few seconds to resume normal functionality. RJ45 + P8 MDI2- P9 MDI3+ P10 MDI3- Pin number Green Orange P11 + - P12 - + P13 + N/A P14 - N/A 24 │ About your monitor
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    Quality and Pixel Policy, see http://www.dell.com/pixelguidelines. Maintenance guidelines Cleaning your monitor CAUTION: Read and follow the Safety instructions before cleaning the monitor. WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet. For best
  • Dell U3421WE | Users Guide - Page 26
    using detergent of any kind as some detergents leave a milky film on the monitor. • If you notice white powder when you unpack your monitor, wipe it off with a cloth. • Handle your monitor with care as a darker-colored monitor may get scratched and show white scuff marks more than a lighter-colored
  • Dell U3421WE | Users Guide - Page 27
    . If you are attaching a stand that you purchased from any other source, follow the set up instructions that were included with the stand. To attach the monitor stand: 1. Follow the instructions on the flaps of carton to remove the stand from the top cushion that secures it. 2. Remove the stand
  • Dell U3421WE | Users Guide - Page 28
    6. Lift the cover, as shown, to access the VESA area for stand assembly. 7. Attach the stand assembly to the monitor. a. Fit the two tabs on the upper part of the stand to the groove on the back of the monitor. b. Press the stand down till it snaps into place. 28 │ Setting up the monitor
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    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 │ 29
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    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 out of factory setting is DP1.4 (DP1.2 is supported). If the monitor fails to show any content after the DisplayPort cable is
  • Dell U3421WE | Users Guide - Page 31
    to change the DisplayPort format settings if necessary. 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: • Press
  • Dell U3421WE | Users Guide - Page 32
    to change the HDMI format settings if necessary. Connecting the USB Type-C cable NOTE: Use the USB Type-C cable shipped with monitor only. • This port supports DisplayPort Alternate Mode (DP1.4 standard only). • The USB Type-C power delivery compliant port (PD Version 3.0) delivers up to 90 W of
  • Dell U3421WE | Users Guide - Page 33
    damage or loss, before unplugging the USB upstream port, make sure that NO USB storage devices are in use by the computer connected to the monitor's USB downstream port. After you have completed connecting the DisplayPort/HDMI/USB Type-C cable, follow the procedures below to connect the USB cable to
  • Dell U3421WE | Users Guide - Page 34
    displays an image, installation is complete. If it does not display an image, see Common problems. 5. Use the cable slot on the monitor stand to organize the cables. Connecting the monitor for RJ45 Cable (Optional) NOTE: RJ45 cable is non in-box standard accessory. Organizing your cables After
  • Dell U3421WE | Users Guide - Page 35
    scratches on the LCD screen when removing the stand, ensure that the monitor is placed on a soft, clean surface. NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source
  • Dell U3421WE | Users Guide - Page 36
    crosshead screwdriver to remove the four screws securing the plastic cover. 4. Attach the mounting bracket from the wall mounting kit to the monitor. 5. Mount the monitor on the wall. For more information, see the documentation that shipped with the wall mounting kit. NOTE: For use only with UL
  • Dell U3421WE | Users Guide - Page 37
    . Using the Joystick Control Use the Joystick control on the rear of the monitor to make OSD adjustments. 1. Press the Joystick button to launch the OSD main menu. 2. Move the Joystick up/down/left/right to toggle between options. 3.
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    Menu Launcher functions: Menu Launcher Icon 1 Shortcut key/ Preset Modes Description Select this icon to choose from a list of preset color modes. 38 │ Operating the monitor
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    (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. Operating the
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    toggle the Joystick down to decrease the contrast (min. 0 / max. 100). The Contrast function adjusts the degree of difference between darkness and lightness on the monitor screen. 40 │ Operating the
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    Source Use the Input Source menu to select between the different video signals that may be connected to your monitor. USB-C 90W DP HDMI 1 HDMI 2 Auto Select Select the USB-C 90W input when you are . Turning on the function allows you to scan for available input sources. Operating the monitor │ 41
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    value shall remain after renaming, e.g., PC 1 90W. NOTE: Input names in warning messages, KVM, and Display Info will not be changed. Reset Input Resets your monitor input settings to the factory Source settings. Color Use Color to adjust the color setting mode. 42 │ Operating the
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    of body such as neck, arm, back and shoulder. To reduce the risk of eye strain and neck/arm/ back/shoulder pain from using the monitor for long periods of time, we suggest you to: 1. Set the distance of the screen between 20 to 28 in. (50 - 70 cm) from your
  • Dell U3421WE | Users Guide - Page 44
    Preset Modes 4. Look away from your monitor and gaze at a distant object at 20 feet away for at the Brightness function under Brightness/Contrast in the OSD menu. • Custom Color: Allows you to manually adjust the color settings. Toggle the Joystick up or down to adjust the color values and create
  • Dell U3421WE | Users Guide - Page 45
    the video input mode to: • 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. Press the Joystick to confirm the selection. Hue Saturation
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    is turned on. For other brightness level setting, the uniformity performance may deviate from the data shown on the Factory Calibration Report. 46 │ Operating the monitor
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    USB-C Prioritization Allows you to specify the priority to transfer the data with high resolution (High Resolution) or high speed (High Data Speed) when using the USB Type-C port/DisplayPort. Reset Display Resets all display settings to the factory preset values. Operating the monitor │ 47
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    PIP/PBP This function brings up a window displaying image from another input source. Main Window USB-C DP HDMI 1 HDMI 2 USB-C X Sub-Window DP HDMI 1 X X HDMI 2 X NOTE: The images under PBP will be displayed at the center of the screen, not full screen. 48 │ Operating the monitor
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    (PIP4 large). You can disable this feature by selecting Off. PIP/PBP (Sub) Select between the different video signals that may be connected to your monitor for the PIP/PBP subwindow. USB Switch Select to switch between the USB upstream sources in PIP/PBP mode. Video Swap Select to swap videos
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    USB Allows you to assign the USB upstream port for the input signals (DP, HDMI 1, and HDMI 2), thus the monitor's USB downstream port (eg. keyboard and mouse) can be used by the current input signals when you connect a computer to either one of the upstream
  • Dell U3421WE | Users Guide - Page 51
    Audio Volume Speaker Reset Audio Allows you to set the volume level of speakers. Toggle the Joystick up or down to adjust the volume level from '0' to '100'. Allows you to enable or disable the speaker function. Select this option to restore default audio settings. Operating the monitor │ 51
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    last time you pressed a button. Toggle the Joystick up or down to adjust the slider in 1 second increments, from 5 to 60 seconds. 52 │ Operating the monitor
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    , you can prevent people from accessing the controls. It also prevents accidental activation in multiple monitors side-by-side setup. Reset Menu • Menu Buttons: All Joystick functions are locked and not for 4 seconds. Resets all OSD settings to the factory preset values. Operating the monitor │ 53
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    Off mode. Other USB Charging Allows you to enable or disable USB Type-A and USB Type-C Downstream Ports charging function during monitor standby mode. NOTE: This option is only available when the USB Type-C (Upstream Port) cable is unplugged. If the USB Type-C cable is connected, Other
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    OSD settings, such as DDC/CI, LCD Conditioning, and so on. Display Info DDC/CI Displays the monitor's current settings. DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color balance, and etc.) to be adjustable via the software on your computer. You can
  • Dell U3421WE | Users Guide - Page 56
    Tag Reset Others Displays the firmware version of your monitor. 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. Resets all settings under the Others menu to the factory preset
  • Dell U3421WE | Users Guide - Page 57
    default settings. These are also the settings for ENERGY STAR® tests. 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
  • Dell U3421WE | Users Guide - Page 58
    features for the first time, such as Uniformity Compensation, USB-C Charging 90W, Other USB Charging, or Fast Wakeup, the following message appears: 58 │ Operating the monitor
  • Dell U3421WE | Users Guide - Page 59
    is activated: NOTE: The message may be slightly different according to the selected settings. 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. NOTE: The message may be slightly different according to the
  • Dell U3421WE | Users Guide - Page 60
    below appears. NOTE: The message may be slightly different according to the connected input signal. When the monitor is under DP/HDMI input and a USB Type-C cable is connected to a notebook that supports DP Alternate Mode, if Auto Select for USB-C 90W is enabled, the following message appears: When
  • Dell U3421WE | Users Guide - Page 61
    message appears. See Troubleshooting for more information. Setting the maximum resolution To set the maximum resolution for the monitor: In Windows® driver. Depending on your computer, complete one of the following procedures: If you have a Dell desktop or portable computer: Operating the monitor │
  • Dell U3421WE | Users Guide - Page 62
    • 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): • Go to the support site for your computer and download the latest graphic drivers. • Go to your graphics card website and
  • Dell U3421WE | Users Guide - Page 63
    b. When connecting HDMI + USB-B to computer 1 and USB-C to  computer 2: NOTE: The USB-C connection currently supports video and data transfer. Make sure USB for HDMI is assigned to USB-B . Operating the monitor │ 63
  • Dell U3421WE | Users Guide - Page 64
    not shown above, follow the same method to make correct settings for USB to pair the ports. 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. 64 │ Operating the
  • Dell U3421WE | Users Guide - Page 65
    2. Ensure that Auto Select is On and Auto Select for USB-C 90W is Yes. 3. Ensure that the USB ports and the video inputs are paired accordingly. Operating the monitor │ 65
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    there is no further setting required. Using the tilt, swivel, vertical extension, and slant adjust 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
  • Dell U3421WE | Users Guide - Page 67
    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. Vertical extension NOTE: The stand extends vertically up
  • Dell U3421WE | Users Guide - Page 68
    Slant adjust With the stand attached to the monitor, you can adjust the monitor to your desired angle with the slant adjust feature. 68 │ Operating the monitor
  • Dell U3421WE | Users Guide - Page 69
    Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Sel f-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
  • Dell U3421WE | Users Guide - Page 70
    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
  • Dell U3421WE | Users Guide - Page 71
    display in green, blue, black, white and text screens. The test is complete when the text screen appears. To exit, toggle the Joystick up again. Troubleshooting │ 71
  • Dell U3421WE | Users Guide - Page 72
    Dell download support site for the latest application installer (Monitor Firmware Update Utility.exe) and refer to the Firmware Update Instruction User's Guide: www.dell.com/U3421WE. Common problems brightness & contrast controls via OSD. • Perform monitor self-test feature check. • Check for bent
  • Dell U3421WE | Users Guide - Page 73
    Pixel Policy, see Dell Support site at: http:// www.dell.com/pixelguidelines. Picture too dim or • Reset the monitor to factory settings. too bright • Adjust brightness & contrast controls via OSD. Screen not • Reset the monitor to factory settings. centered correctly Troubleshooting │ 73
  • Dell U3421WE | Users Guide - Page 74
    the computer in the safe mode. Visible signs of • Do not perform any troubleshooting smoke or sparks steps. • Contact Dell immediately. Monitor • Ensure that the video cable malfunctions on & connecting the monitor to the off computer is connected properly and is secure. • Reset the
  • Dell U3421WE | Users Guide - Page 75
    Color Picture color not good Image retention from a static image left on the monitor for a long period of time Faint shadow from the static image displayed appears Windows Power Options or Mac Energy Saver setting. • Alternatively, use a dynamically changing screensaver. Troubleshooting │ 75
  • Dell U3421WE | Users Guide - Page 76
    . The picture does not fill the entire screen The picture cannot • Due to different video formats fill the height or (aspect ratio) of DVDs, the monitor width of the screen may display in full screen. • Run the built-in diagnostics. 76 │ Troubleshooting
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    connection. Universal Serial Bus (USB) specific problems Common symptoms USB interface is not working not working Possible solutions • Check that your monitor is turned On. • Reconnect the upstream cable connector). • Switch Off and then turn On the monitor again. • Reboot the computer. • Some USB
  • Dell U3421WE | Users Guide - Page 78
    with the USB-C specification. The USB Type-C port supports USB 3.2 Gen1 and an output of 90 W. • Check that you use the USB Type-C cable shipped with your monitor. Super speed USB 5 Gbps (USB 3.2 Gen1) peripherals USB receiver as far away as possible from the USB 3.2 port. 78 │ Troubleshooting
  • Dell U3421WE | Users Guide - Page 79
    it, and then turn On the monitor. • Ensure the audio cable is connected correctly between the Audio Line Out port and the external speaker. • Disconnect/reconnect the audio cable from the Audio Line Out port and the external speaker. • Reset the monitor to factory settings. Troubleshooting │ 79
  • Dell U3421WE | Users Guide - Page 80
    . For information on safety instructions, see Safety, Environmental, and services may not be available in your area. • Online technical assistance - www.dell.com/support/monitors • Contacting Dell - www.dell.com/contactdell EU product database for energy label and product information sheet U3421WE
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Dell UltraSharp 34 Curved USB-C
Hub Monitor - U3421WE
User’s Guide
Model: U3421WE
Regulatory model: U3421WEb