Related Manuals for Dell UltraSharp U3821DW
Summary of Contents for Dell UltraSharp U3821DW
- Page 1 Dell UltraSharp 38 Curved USB-C Hub Monitor - U3821DW User’s Guide Model: U3821DW Regulatory model: U3821DWb...
- Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2021 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.
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Page 3: Table Of Contents
Contents About your monitor ......6 Package contents ....... . 6 Product features . - Page 4 Cleaning your monitor ........26 Setting up the monitor ..... . .27 Attaching the stand .
- Page 5 ........81 Contact Dell ........81 EU product database for energy label and product information sheet .
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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 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 │...
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Page 8: Product Features
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 resolutions. -
Page 9: Identifying Parts And Controls
WARNING: The possible long-term effects of blue light emission from the monitor may cause damage to the 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. -
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 (2) Connect your computer with the HDMI cable (shipped with your monitor). - Page 12 Audio line-out port Connect your external speakers.* Super speed USB Connect the USB cable that came with your 5Gbps (USB 3.2 Gen1) monitor to the computer. Once this cable is Type-B upstream port connected, you can use the USB connectors on the monitor.
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Page 13: Monitor Specifications
Monitor specifications Model U3821DW Screen type Active matrix - TFT LCD Panel technology In-Plane Switching Technology Aspect ratio 21:9 Viewable image Diagonal 952.9 mm (37.52 in.) Width (active area) 890.0 mm (35.04 in.) Height (active area) 387.8 mm (15.27 in.) Total area 345142 mm (535.06 in. - Page 14 NOTE: Do not mount or use this monitor in portrait (vertical) orientation or inverse (180°) landscape mount as it may damage the monitor. Built-in 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/...
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Page 15: Resolution Specifications
Resolution specifications Model U3821DW Horizontal scan range 30 kHz to 100 kHz (automatic) Vertical scan range 56 Hz to 76 Hz (automatic) Maximum preset resolution 3840 x 1600 at 60 Hz Supported video modes Model U3821DW Video display capabilities (HDMI & 480p, 480i, 576p, 576i, 720p, 1080i, 1080p DisplayPort &... -
Page 16: Electrical Specifications
VESA, 1920 x 1080 67.5 60.0 148.5 VESA, 2560 x 1440 88.8 60.0 241.5 VESA, 3840 x 1600* 98.8 60.0 395.0 *Requires a graphics card that supports HDMI 2.0. Electrical specifications Model U3821DW Video input signals HDMI 2.0*/DisplayPort 1.4**, 600 mV for each differential line, 100 ohm input impedance per differential pair AC input voltage/... -
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: Environmental Characteristics
Width 385.0 mm (15.16 in.) Depth 251.2 mm (9.89 in.) Base 385.0 mm x 247.9 mm (15.16 in. x 9.97 in.) Weight Weight with packaging 19.9 kg (43.78 lb) Weight with stand assembly and 13.6 kg (29.98 lb) cables Weight without stand assembly 8.8 kg (19.40 lb) (For wall mount or VESA mount considerations - no cables) -
Page 19: Pin Assignments
Altitude Operating 5000 m (16404 ft) (maximum) Non-operating 12192 m (40000 ft) (maximum) Thermal dissipation • 784.8 BTU/hour (maximum) • 124.5 BTU/hour (typical) 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) - Page 20 Re-PWR +3.3 V DP_PWR 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...
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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 Upstream Connector
USB 3.2 upstream connector Pin number 9-pin side of the connector SSTX- SSTX+ SSRX- SSRX+ USB 3.2 downstream connector Pin number 9-pin side of the connector SSRX- SSRX+ SSTX- SSTX+ │ About your monitor... -
Page 23: Usb Type-C 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+ USB ports • 1 USB Type-C upstream - bottom • 1 USB Type-C downstream - bottom •... -
Page 24: Rj45 Connector
RJ45 connector Pin number 14-pin side of the connected signal cable MDI0+ MDI0- MDI1+ MDI1- MDI2+ MDI2- MDI3+ MDI3- Pin number Green Orange │ About your monitor... -
Page 25: Supported Os
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 26: Maintenance Guidelines
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 practices, follow the instructions in the list below when unpacking, cleaning, or handling your monitor: •... -
Page 27: 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 setup instructions that were included with the stand. - Page 28 6. Lift the cover, as shown, to access the VESA area for stand assembly. NOTE: Before attaching the stand assembly to the display, ensure that the front plate flap is opened to allow space for assembly. 7. Attach the stand assembly to the display. a.
- Page 29 8. Place the monitor 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. │...
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Page 30: 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 31: Connecting The Displayport (Displayport To Displayport) Cable
3. Connect the DisplayPort, HDMI, or USB Type-C cable from your monitor to 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: •... -
Page 32: 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 33: 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 (DP1.4 standard only). • The USB Type-C power delivery compliant port (PD Version 3.0) delivers up to 90 W of power. •... - Page 34 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.
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Page 35: Connecting The Monitor For Rj45 Cable (Optional)
Connecting 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. -
Page 36: 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, 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, follow the setup instructions that were included with the stand. -
Page 37: 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 38: 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 39: 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 40: 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. • USB Switch: To switch between the USB upstream sources in PIP/PBP mode. -
Page 41: 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 42 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 90W 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 43 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 44 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 45 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 46 Preset Modes NOTE: When you select DCI-P3 as the color space, the luminance of the backlight defaults to 48 cd/m (typical). You can manually adjust the luminance of the backlight by using the Brightness function under Brightness/Contrast in the OSD menu. •...
- Page 47 Saturation This feature can adjust the color saturation of the video image. Move the joystick to adjust the saturation level from '0' to '100'. NOTE: Saturation adjustment is available only when you select Movie or Game preset mode. Reset Color Resets your monitor’s color settings to the factory settings.
- Page 48 Uniformity Select screen uniformity compensation settings. On Compensation is factory calibrated setting by default. Uniformity Compensation adjusts different areas of the screen with respect to the center to achieve uniform brightness and color over the entire screen. For optimal screen performance, Brightness and Contrast for some preset modes (Standard, Color Temp.) will be disabled when this feature is set to NOTE: User is advised to use factory default...
- Page 49 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 1 HDMI 2 USB Type-C HDMI 1 HDMI 2 NOTE: The images under PBP mode will be displayed at the center of the split windows.
- Page 50 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 51 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 52 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 the KVM switch for details.
- Page 53 Audio Volume Allows you to set the volume level of speakers. Move the joystick to adjust the volume level from '0' to '100'. Speaker Allows you to turn on or off the speaker function. Reset Audio Select this option to restore default audio settings. │...
- Page 54 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 55 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 56 Personalize Shortcut Key 1 Allows you to choose a feature from Preset Modes, Shortcut Key 2 Brightness/Contrast, Input Source, Aspect Shortcut Key 3 Ratio, PIP/PBP Mode, USB Switch, Video Swap, Shortcut Key 4 Volume, or Display Info and set it as a shortcut key. Shortcut Key 5 Power Button Allows you to set the power LED indicator on or off...
- 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.
- Page 58 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.
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Page 59: Osd Warning Message
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 60 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 61 When you change the default setting of power saving features for the first time, such as USB-C Charging 90W, Other USB Charging, Uniformity Compensation, 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 62 If either USB Type-C, DisplayPort, or HDMI input is selected and the corresponding cable is not connected, the following message 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,...
- Page 63 When Factory Reset is selected, the following message appears: When Yes is selected, the following message appears. Troubleshooting for more information. │ Operating the monitor...
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Page 64: 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 65: 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 66 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.
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Page 67: 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 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. │ Operating the monitor...
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Page 69: 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 setup instructions that were included with the stand. -
Page 70: 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 71: 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 72: 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 73 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.
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Page 74: 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 75 • 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 76 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.
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Page 77: 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 78 No Input Signal No picture, the LED • Check the signal source. Ensure the when user controls light is white computer is not in the power saving are pressed mode by moving the mouse or pressing any key on the keyboard. •...
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Page 79: Universal Serial Bus (Usb) Specific Problems
Universal Serial Bus (USB) specific problems Common What you Possible solutions symptoms experience USB interface is USB peripherals • Check that your monitor is turned On. not working are not working • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). -
Page 80: Speakers Specific Problems
Wireless USB Wireless USB • Increase the distance between the peripherals stop peripherals USB 3.2 peripherals and the wireless working when a responding slowly USB receiver. USB 3.2 device is or only working as • Position your wireless USB receiver as plugged in the distance close as possible to the wireless USB... -
Page 81: Appendix
For customers in the United States, call 800-WWW-DELL (800-999-3355). 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.