Dell U3821DW Users Guide

Dell U3821DW Manual

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  • Dell U3821DW | Users Guide - Page 1
    Dell UltraSharp 38 Curved USB-C Hub Monitor - U3821DW User's Guide Model: U3821DW Regulatory model: U3821DWb
  • Dell U3821DW | 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 © 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its
  • Dell U3821DW | 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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    33 Connecting the monitor for RJ45 Cable (optional 35 Organizing your cables 35 Removing the monitor stand 36 VESA wall mounting (optional 37 Operating the monitor 38 Power on the monitor 38 Using the swivel 69 Vertical extension 69 Slant adjust 70 Troubleshooting 71 Self-test 71 4│
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    Built-in diagnostics 72 Common problems 74 Product specific problems 77 Universal Serial Bus (USB) specific problems 79 Speakers Specific Problems 80 Appendix 81 FCC notices (U.S. only) and other regulatory information 81 Contact Dell 81 EU product database for energy label and product
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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 setup instructions that
  • Dell U3821DW | Users Guide - Page 7
    country) DisplayPort cable (DisplayPort to DisplayPort) HDMI cable USB Type-C cable Super speed USB 5Gbps (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
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    Product features The Dell U3821DW monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor features include: • 95.29 cm (37.52 in.) viewable area (measured diagonally). 3840 x 1600 (21:9) resolution, plus full-screen support for lower
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    eyes, 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 1 Description Power LED indicator 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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    mm screw (screw not included). Connect your computer with the DisplayPort cable (shipped with your monitor). Connect the USB Type-C cable that came with your monitor to the computer or mobile device. This port supports USB Power Delivery, Data, and DisplayPort video signal. The super speed USB 5Gbps
  • Dell U3821DW | Users Guide - Page 12
    -A downstream port (3) NOTE: To use these ports, you must connect the USB cable (shipped with your monitor) to the USB-upstream port on the monitor and to your computer. 10 RJ45 port Supports Ethernet connection 10/100/ 1000 Mbps. 11 Super speed USB Connect your USB device** or charge your
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    Luminance output Contrast ratio Faceplate coating Backlight Response time Curvature Color depth Color gamut Calibration accuracy U3821DW Active matrix - TFT LCD In-Plane Switching Technology 21:9 952.9 mm (37.52 in 100%, DCI-P3 95% sRGB & Rec 709: Delta E < 2 (average) About your monitor │ 13
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    speakers 2 x 9 W sound output 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 1.4): HBR3/ DisplayPort 1.4/DP audio is supported. 14 │ About your monitor
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    scan range Maximum preset resolution Supported video modes U3821DW 30 kHz to 100 kHz (automatic) 56 Hz to 76 Hz (automatic) 3840 x 1600 at 60 Hz Model U3821DW Video display capabilities (HDMI 65.0 78.8 108.0 71.0 108.0 135.0 162.0 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 U3821DW HDMI 2.0*/DisplayPort 1.4**, 600 mV for have no obligation to update such information. 16 │ About your monitor
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    that could exceed the ENERGY STAR specified limit. Physical characteristics Model U3821DW 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 U3821DW | Users Guide - Page 18
    97 in.) 19.9 kg (43.78 lb) 13.6 kg (29.98 lb) 8.8 kg (19.40 lb) 4.33 kg (9.55 lb) Model U3821DW 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
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    connected signal cable ML3 (n) GND ML3 (p) ML2 (n) GND ML2 (p) ML1 (n) GND ML1 (p) ML0 (n) GND ML0 (p) GND GND AUX (p) GND AUX (n) Hot Plug Detect About your monitor │ 19
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    CLOCK+ TMDS CLOCK SHIELD TMDS CLOCKCEC Reserved (N.C. on device) DDC CLOCK (SCL) DDC DATA (SDA) DDC/CEC Ground +5 V POWER HOT PLUG DETECT 20 │ About your monitor
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    information about the USB ports that are available on the monitor. Super speed USB 5Gbps (USB3.2 Gen1) Transfer speed Data rate Super speed 5Gbps High speed 480Mbps Full speed 12Mbps Maximum power supported* 5 V/0.9 A (Max, each port) 5 V/0.9 A (Max, each port) 5 V/0.9 A (Max, each port
  • Dell U3821DW | Users Guide - Page 22
    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 8 9 9-pin side of the connector VCC DD+ GND SSRXSSRX+ GND SSTXSSTX+ 22 │ About your monitor
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    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. The USB ports on the monitor work only when the monitor is turned On or in Standby mode. If you turn Off the monitor and then turn it On,
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    RJ45 connector Pin number P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 Pin number P11 P12 P13 P14 14-pin side of the connected signal cable MDI0+ MDI0- MDI1+ MDI1- CT CT MDI2+ MDI2- MDI3+ MDI3- Green Orange + - - + + N/A - N/A 24 │ About your monitor
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    Mac Address Pass-thru and Wake-on-LAN (WOL) from standby (S3 only) mode. It also supports PXE Boot function, include UEFI PXE and Legacy PXE. LCD monitor quality and pixel policy During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging
  • Dell U3821DW | Users Guide - Page 26
    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 practices, follow the instructions in the list below when unpacking, cleaning, or handling your monitor: • To clean your anti
  • Dell U3821DW | Users Guide - Page 27
    . If you are attaching a stand that you purchased from any other source, follow the setup instructions that were included with the stand. To attach the monitor stand: 1. Follow the instructions on the flaps of carton to remove the stand from the top cushion that secures it. 2. Remove the stand
  • Dell U3821DW | Users Guide - Page 28
    of the stand to the groove on the back of the display. b. Press the stand down till it snaps into place. 28 │ Setting up the monitor
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    upright with the protective cushion attached. NOTE: Lift the monitor carefully to prevent it from slipping or falling. 9. Tear apart the zipper die-cut in the middle of the protective cushion, then remove the protective cushion from the left and right side of the monitor. Setting up the monitor │ 29
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    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
  • Dell U3821DW | Users Guide - Page 31
    the computer. Connecting the DisplayPort (DisplayPort to DisplayPort) cable NOTE: The default out of factory setting is DP1.4 (DP1.2 is supported). 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: • Press
  • Dell U3821DW | Users Guide - Page 32
    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 Repeat the above steps to change the HDMI format settings if necessary. 32 │ Setting up the monitor
  • Dell U3821DW | Users Guide - Page 33
    -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 it may not be powered up or charged with the USB PD port of this monitor. Connecting the super speed USB 5Gbps (USB 3.2 Gen1) cable NOTE: To prevent
  • Dell U3821DW | Users Guide - Page 34
    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. See USB and Setting the KVM switch for details. 4. Turn On the monitor and the computer(s). If your monitor displays an
  • Dell U3821DW | Users Guide - Page 35
    the monitor for RJ45 Cable (optional) NOTE: The RJ45 cable is not an in-box standard accessory. 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. Setting up the monitor
  • Dell U3821DW | Users Guide - Page 36
    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 removing the stand that was shipped with your monitor. If you are removing a stand that you purchased from any other source
  • Dell U3821DW | Users Guide - Page 37
    ) (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. Use a Phillips crosshead screwdriver to remove the
  • Dell U3821DW | Users Guide - Page 38
    . Using the joystick control Use the joystick control on the rear of the monitor to make On-Screen Display (OSD) adjustments. 1. Press the joystick to launch the Menu Launcher. 2. Move OSD is displayed, press the joystick to confirm the selection or save the settings. 38 │ Operating the monitor
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    describes the Menu Launcher functions: Label 1 Icon Menu Description To launch the On-Screen Display (OSD) main menu. See Accessing the menu system. Operating the monitor │ 39
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    sources in PIP/PBP mode. • Input Source: To choose an input source from the list of video signals that may be connected to your monitor. • Preset Modes: To choose a preferred color mode from the list of preset modes. Shortcut functions • Brightness/Contrast: To access the adjustment sliders of
  • Dell U3821DW | Users Guide - Page 41
    the joystick down to decrease the contrast level (min. 0 / max. 100). The Contrast function adjusts the degree of difference between darkness and lightness on the monitor screen. Operating the
  • Dell U3821DW | Users Guide - Page 42
    Use the Input Source menu to select between the different video signals that may be connected to your monitor. USB-C 90W Select USB-C 90W when you are using the USB Type-C connector. Press the Turning on the function allows you to scan for available input sources. 42 │ Operating the monitor
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    input names shown in shortcut menu and main menu, but not for those shown in the warning messages, PBP, KVM, and Display Info. Resets your monitor input settings to the factory settings. Operating the
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    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. • ComfortView: Decreases the level of blue light emitted from the screen to make viewing
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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 U3821DW | Users Guide - Page 46
    . • Custom Color: Allows you to manually adjust the color settings. Move the joystick to: • RGB: Select this option if your monitor is connected to a computer (or media player) using the YPbPr: Select this option if your media player supports only YPbPr output. Press the joystick to confirm the
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    adjust the saturation level from '0' to '100'. NOTE: Saturation adjustment is available only when you select Movie or Game preset mode. Resets your monitor's color settings to the factory settings. Use the Display menu to adjust images. Aspect Ratio Adjusts the image ratio to Wide 21:9, Auto Resize
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    speed (High Data Speed) when using the USB Type-C port/DisplayPort. Reset Display Resets all display settings to the factory preset values. 48 │ Operating the monitor
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    2 USB Type-C Sub-Window DP HDMI 1 HDMI 2 NOTE: The images under PBP mode will be displayed at the center of the split windows. Operating the monitor │ 49
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    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 subwindow. Press the joystick to confirm the selection. NOTE: The option is available only when the PIP/ PBP mode is
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    the joystick to adjust the contrast level from '0' to '100'. NOTE: The option is available only when the PIP/ PBP mode is enabled. Operating the monitor │ 51
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    USB Allows you to assign the USB upstream port for the input signals (DP, HDMI 1, or HDMI 2), 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
  • Dell U3821DW | Users Guide - Page 53
    Audio Volume Speaker Reset Audio Allows you to set the volume level of speakers. Move the joystick to adjust the volume level from '0' to '100'. Allows you to turn on or off the speaker function. Select this option to restore default audio settings. Operating the monitor │ 53
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    active after the last time you pressed a button. Move the joystick to adjust the slider in 1 second increments, from 5 to 60 seconds. 54 │ 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 -up menu. Resets all OSD settings to the factory preset values. Operating the monitor │ 55
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    is in off mode. 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
  • Dell U3821DW | Users Guide - Page 57
    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.
  • Dell U3821DW | Users Guide - Page 58
    on your computer. You can disable this feature by selecting Off. Enable this feature for best user experience and optimum performance of your monitor. LCD Conditioning Helps reduce minor cases of image retention. Depending on the degree of image retention, the program may take some time to
  • Dell U3821DW | Users Guide - Page 59
    Tag Reset Others Factory Reset 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
  • Dell U3821DW | Users Guide - Page 60
    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
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    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. Operating the
  • Dell U3821DW | Users Guide - Page 62
    will appear: 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 is enabled, the following message appears: You will
  • Dell U3821DW | Users Guide - Page 63
    When Factory Reset is selected, the following message appears: When Yes is selected, the following message appears. See Troubleshooting for more information. Operating the monitor │ 63
  • Dell U3821DW | Users Guide - Page 64
    Setting the maximum resolution To set the maximum resolution for the monitor: In Windows® 7, Windows® 8, and Windows® 8.1: 1. For 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
  • Dell U3821DW | Users Guide - Page 65
    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. Make sure USB for HDMI is assigned to USB-B and DP is
  • Dell U3821DW | Users Guide - Page 66
    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. NOTE: When connecting to different video input sources not shown above, follow
  • Dell U3821DW | Users Guide - Page 67
    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 │ 67
  • Dell U3821DW | Users Guide - Page 68
    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. 68 │ Operating the monitor
  • Dell U3821DW | Users Guide - Page 69
    are attaching a stand that you purchased from any other source, follow the setup instructions that were included with the stand. Tilt, swivel With the stand attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle. NOTE: The stand is not installed at the
  • Dell U3821DW | Users Guide - Page 70
    Slant adjust With the stand attached to the monitor, you can adjust the monitor to your desired angle with the slant adjust feature. 70 │ Operating the monitor
  • Dell U3821DW | Users Guide - Page 71
    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 U3821DW | Users Guide - Page 72
    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 U3821DW | Users Guide - Page 73
    patterns. 6. Repeat steps 4 and 5 to inspect the display in red, green, blue, black, white, and text screens. 7. Press the joystick to end the diagnostic program. Troubleshooting │ 73
  • Dell U3821DW | Users Guide - Page 74
    about common monitor problems you monitor to factory settings. • Change the video resolution to the correct aspect ratio. Wavy picture or fine movement • Reset the monitor to factory settings. • Check environmental factors. • Relocate the monitor and test in another room. 74 │ Troubleshooting
  • Dell U3821DW | Users Guide - Page 75
    -on Pixels Brightness Problems Geometric Distortion Horizontal/ Vertical Lines LCD screen has spots • Cycle power On-Off. • Pixel that is permanently Off is a natural defect that can occur in LCD technology. • For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at
  • Dell U3821DW | Users Guide - Page 76
    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 U3821DW | Users Guide - Page 77
    the monitor, unplug the monitor with the appear on the screen power cord, plug it back, and then joystick turn On the monitor. • Check whether the OSD menu is locked. If yes, move and hold the joystick up/down/left/right for 4 seconds to unlock (for more information, see Lock). Troubleshooting
  • Dell U3821DW | Users Guide - Page 78
    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. No video at HDMI/ Speed. • Do not turn Off the display during network connection. 78 │ Troubleshooting
  • Dell U3821DW | Users Guide - Page 79
    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 5Gbps (USB 3.2 Gen1 . • Reconnect the USB peripherals (downstream connector). • Reboot the computer. Troubleshooting │ 79
  • Dell U3821DW | Users Guide - Page 80
    Specific Problems Common 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. 80 │ Troubleshooting
  • Dell U3821DW | Users Guide - Page 81
    . 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 U3821DW
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Dell UltraSharp 38 Curved USB-C
Hub Monitor - U3821DW
User’s Guide
Model: U3821DW
Regulatory model: U3821DWb