Dell UltraSharp 38 Curved USB-C Hub Monitor - U3821DW User’s Guide Model: U3821DW Regulatory model: U3821DWb
NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: 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, 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.
Contents About your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Identifying parts and controls . . . . . . . . . . . . . . . . . . . . . . 9 Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . .27 Attaching the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Connecting your monitor . . . . . . . . . . . . . . . . . . . . . . . . . 30 Connecting the DisplayPort (DisplayPort to DisplayPort) cable. . 31 Connecting the HDMI cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Common problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product specific problems . . . . . . . . . . . . . . . . . . . . . . . . Universal Serial Bus (USB) specific problems . . . . . . . . . Speakers Specific Problems . . . . . . . . . . . . . . . . . . . . . . 72 74 77 79 80 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 FCC notices (U.S.
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. 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 were included with the stand.
Power cable (varies by country) DisplayPort cable (DisplayPort to DisplayPort) HDMI cable USB Type-C cable Super speed USB 5Gbps (USB 3.
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. • Wide viewing angle to allow viewing from a sitting or standing position. • Color gamut of sRGB 100% and Rec 709 100% with an average Delta E < 2; also supports DCI-P3 95%.
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. Identifying parts and controls Front view Label 1 Description Power LED indicator Solid white light indicates that the monitor is turned on and functioning normally.
Back view Back view with monitor stand Label Description Use 1 VESA mounting holes (100 mm x 100 mm - behind attached VESA Cover) Wall mount monitor using VESAcompatible wall mount kit (100 mm x 100 mm). 2 Regulatory label Lists the regulatory approvals. 3 Stand release button Releases stand from the monitor. 4 Barcode, serial number, and Service Tag label Refer to this label if you need to contact Dell for technical support. 5 Power On/Off button To turn the monitor on or off.
Bottom view Bottom view without monitor stand Label Description Use 1 Security lock slot Secures the monitor with security lock (security lock not included). 2 Power connector Connect the power cable (shipped with your monitor). 3 HDMI port (2) Connect your computer with the HDMI cable (shipped with your monitor). 4 Stand lock feature To lock the stand to the monitor using a M3 x 6 mm screw (screw not included).
7 Audio line-out port Connect your external speakers.* 8 Super speed USB 5Gbps (USB 3.2 Gen1) Type-B upstream port Connect the USB cable that came with your monitor to the computer. Once this cable is connected, you can use the USB connectors on the monitor. 9 Super speed USB 5Gbps (USB 3.2 Gen1) Type-A downstream port (3) Connect your USB 3.2 Gen1 (5Gbps) device.** 10 RJ45 port Supports Ethernet connection 10/100/ 1000 Mbps. 11 Super speed USB 5Gbps (USB 3.
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 mm2 (535.06 in.2) Pixel pitch 0.22908 mm x 0.22908 mm Pixel per inch (PPI) 110.
Connectivity • 2 x HDMI port version 2.0 • 1 x DisplayPort version 1.4 • 1 x USB Type-C upstream port (Alternate mode with DisplayPort 1.4, Power Delivery PD up to 90 W)* • 1 x super speed USB 5Gbps (USB 3.2 Gen1) Type-B upstream port • 3 x super speed USB 5Gbps (USB 3.2 Gen1) downstream port • 1 x super speed USB 5Gbps (USB 3.2 Gen1) with BC1.
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 & DisplayPort & USB Type-C alternate mode) 480p, 480i, 576p, 576i, 720p, 1080i, 1080p Preset display modes Horizontal frequency (kHz) Vertical frequency (Hz) Pixel clock (MHz) Sync polarity (Horizontal /Vertical) VESA, 640 x 480 31.5 59.
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/ frequency/current 100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 3.0 A (typical) Inrush current • 120 V: 40 A (Max.
Accordingly, the customer should not rely upon this information in making decisions about electrical tolerances or otherwise. No warranty as to accuracy or completeness is expressed or implied. NOTE: This monitor is ENERGY STAR certified. This product qualifies for ENERGY STAR in the factory default settings which can be restored by “Factory Reset” function in the OSD menu.
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 cables 13.6 kg (29.98 lb) Weight without stand assembly (For wall mount or VESA mount considerations - no cables) 8.8 kg (19.40 lb) Weight of stand assembly 4.33 kg (9.55 lb) Environmental characteristics Model U3821DW Compliant standards • ENERGY STAR certified monitor • EPEAT registered where applicable.
Altitude Operating 5000 m (16404 ft) (maximum) Non-operating 12192 m (40000 ft) (maximum) Thermal dissipation • 784.8 BTU/hour (maximum) • 124.
19 Re-PWR 20 +3.3 V DP_PWR HDMI connector Pin number 19-pin side of the connected signal cable 1 TMDS DATA 2+ 2 TMDS DATA 2 SHIELD 3 TMDS DATA 2- 4 TMDS DATA 1+ 5 TMDS DATA 1 SHIELD 6 TMDS DATA 1- 7 TMDS DATA 0+ 8 TMDS DATA 0 SHIELD 9 TMDS DATA 0- 10 TMDS CLOCK+ 11 TMDS CLOCK SHIELD 12 TMDS CLOCK- 13 CEC 14 Reserved (N.C.
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. Most monitor installations are automatic; you can select different settings if desired. For more information about changing the monitor settings, see Operating the monitor.
USB 3.2 upstream connector Pin number 9-pin side of the connector 1 VCC 2 D- 3 D+ 4 GND 5 SSTX- 6 SSTX+ 7 GND 8 SSRX- 9 SSRX+ USB 3.
USB Type-C connector Pin Number Signal Name Pin Number Signal Name A1 GND B1 GND A2 TX1+ B2 TX2+ A3 TX1- B3 TX2- A4 VBUS B4 VBUS A5 CC1 B5 CC2 A6 D+ B6 D+ A7 D- B7 D- A8 SBU1 B8 SBU2 A9 VBUS B9 VBUS A10 RX2- B10 RX1- A11 RX2+ B11 RX1+ A12 GND B12 GND USB ports • 1 USB Type-C upstream - bottom • 1 USB Type-C downstream - bottom • 1 super speed USB 5Gbps (USB 3.2 Gen1) Type-B upstream - bottom • 4 super speed USB 5Gbps (USB 3.
RJ45 connector Pin number 14-pin side of the connected signal cable P1 MDI0+ P2 MDI0- P3 MDI1+ P4 MDI1- P5 CT P6 CT P7 MDI2+ P8 MDI2- P9 MDI3+ P10 MDI3- Pin number Green Orange P11 + - P12 - + P13 + N/A P14 - N/A 24 │ About your monitor
Supported OS OS Windows Version • Win 7 (LAN driver V7.48) • Win 8, 8.1 (LAN driver V8.55) • Win 10 (LAN driver V10.34) Linux OS (Chrome, Android, Other Linux based OS) The Linux OS based on kernel version supports to V4.15 or before (LAN driver V2.12.0) macOS V10.6 to V10.15 (LAN driver V1.0.20) Network (RJ45) data rate via USB-C at: • High Resolution: Up to 480 Mbps • High Data Speed: Up to 1000 Mbps NOTE: This LAN port is 1000Base-T IEEE 802.
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: • To clean your anti-static screen, lightly dampen a soft, clean cloth with water.
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. 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.
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. Fit the two tabs on the upper part of the stand to the groove on the back of the display. b. Press the stand down till it snaps into place.
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.
10. Remove the cover from the monitor. 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. NOTE: Do not connect all cables to the computer at the same time.
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: • Press the joystick to launch the Menu Launcher. • Move the joystick up to select and activate the OSD main menu.
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 the joystick to launch the Menu Launcher. • Move the joystick up to select and activate the OSD main menu. • Toggle the joystick to highlight Input Source, then press the joystick button to enter the submenu. • Toggle the joystick to highlight HDMI.
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. • If your notebook requires more than 90 W to operate and the battery is drained, it may not be powered up or charged with the USB PD port of this monitor. Connecting the super speed USB 5Gbps (USB 3.
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. See USB and Setting the KVM switch for details. 4. Turn On the monitor and the computer(s). If your monitor displays an image, installation is complete.
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.
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. To remove the stand: 1. Place the monitor on a soft cloth or cushion. 2.
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. Use a Phillips 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.
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. Move the joystick up/down/left/right to toggle between options. 3. Press the joystick again to confirm the selection. Joystick Description • When there is no OSD on the screen, press the joystick to launch the Menu Launcher.
• 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.
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. 2 • USB Switch: To switch between the USB upstream sources in PIP/PBP mode. • Input Source: To choose an input source from the list of video signals that may be connected to your monitor. • Preset Modes: To choose a preferred color mode from the list of preset modes.
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 Submenus Description Brightness/ Contrast Use this menu to activate Brightness/Contrast adjustment. Brightness Brightness adjusts the luminance of the backlight. Move the joystick up to increase the brightness level or move the joystick down to decrease the brightness level (min. 0 / max. 100).
Input Source USB-C 90W DP Use the Input Source menu to select between the different video signals that may be connected to your monitor. 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. Press the joystick to confirm the selection. HDMI 1 Select HDMI 1 when you are using the HDMI 1 connector. Press the joystick to confirm the selection.
Auto Select for USB-C Allows you to set Auto Select for USB-C to: • 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. • No: Never automatically switches to USB-C video input when the USB Type-C cable is connected. Press the joystick to confirm the selection. NOTE: The option is available only when Auto Select is on.
Color Preset Modes Use Color to adjust the color setting mode. 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 more comfortable for your eyes.
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. 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.
Preset Modes NOTE: When you select DCI-P3 as the color space, the luminance of the backlight defaults to 48 cd/m2 (typical). You can manually adjust the luminance of the backlight by using the Brightness function under Brightness/Contrast in the OSD menu. • Custom Color: Allows you to manually adjust the color settings. Move the joystick to adjust the Gain, Offset, Hue, and Saturation values and create your own preset color mode.
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 Display Aspect Ratio Sharpness Resets your monitor’s color settings to the factory settings. Use the Display menu to adjust images. Adjusts the image ratio to Wide 21:9, Auto Resize, 4:3, or Pixel-for-Pixel.
Uniformity Compensation Select screen uniformity compensation settings. On 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 On.
PIP/PBP This function brings up a window displaying image from another input source. Press the joystick to confirm the selection. Main Window USB Type-C Sub-Window HDMI 1 DP HDMI 2 USB Type-C DP HDMI 1 HDMI 2 NOTE: The images under PBP mode will be displayed at the center of the split windows.
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 subwindow. Press the joystick to confirm the selection. NOTE: The option is available only when the PIP/ PBP mode is enabled.
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. NOTE: The option is available only when the PIP/ PBP mode is enabled. Audio Allows you to set the audio source from the main window or the sub-window. NOTE: The option is available only when the PIP/ PBP mode is enabled.
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 the KVM switch for details. Press the joystick to confirm the selection. When you use only one upstream port, the connected upstream port is active.
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.
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). Transparency Select this option to change the menu transparency by moving the joystick (min. 0 / max. 100).
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. • Power Button: Only the Power button is locked and not accessible by the user. • Menu + Power Buttons: Both the joystick & Power button are locked and not accessible by the user. The default setting is Disable.
Personalize Shortcut Key 1 Shortcut Key 2 Shortcut Key 3 Shortcut Key 4 Allows you to choose a feature from Preset Modes, Brightness/Contrast, Input Source, Aspect Ratio, PIP/PBP Mode, USB Switch, Video Swap, Volume, or Display Info and set it as a shortcut key. Shortcut Key 5 Power Button LED Allows you to set the power LED indicator on or off to save energy. USB-C Charging 90W The default setting is Off in Off Mode.
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. Others Display Info Select this option to adjust the OSD settings, such as DDC/CI, LCD Conditioning, and so on. Displays the monitor's current settings.
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. LCD Conditioning Helps reduce minor cases of image retention. Depending on the degree of image retention, the program may take some time to run. You can enable this feature by selecting On.
Firmware Service Tag 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. Reset Others Resets all settings under the Others menu to the factory preset values. Factory Reset Restore all preset values to the factory default settings. These are also the settings for ENERGY STAR® tests.
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. Recommended mode is 3840 x 1600.
When you change the default setting of power saving features for the first time, 90W, Other USB Charging, Uniformity such as USB-C Charging 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. When you perform a factory reset, the message will appear again.
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 Factory Reset is selected, the following message appears: When Yes is selected, the following message appears. See Troubleshooting for more information.
Setting the maximum resolution To set the maximum resolution for the monitor: In Windows® 7, Windows® 8, and Windows® 8.1: 1. For Windows® 8 and Windows® 8.1 only, select the Desktop tile to switch to classic desktop. 2. Right-click on the desktop and click Screen Resolution. 3. Click the dropdown list of the Screen Resolution and select 3840 x 1600. 4. Click OK. In Windows® 10: 1. Right-click on the desktop and click Display settings. 2. Click Advanced display settings. 3.
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. Make sure USB for HDMI is assigned to USB-B 90W.
b. When connecting HDMI + USB-B to computer 1 and USB-C to computer 2: 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. NOTE: When connecting to different video input sources 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. 2. Ensure that Auto Select is On and Auto Select for USB-C is Yes.
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.
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. 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.
Slant adjust With the stand attached to the monitor, you can adjust the monitor to your desired angle with the slant adjust feature.
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. Turn off both your computer and the monitor. 2. Unplug the video cable from the computer. 3. Turn on the monitor.
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). 2. Move and hold the joystick up/down/left/right for about 4 seconds until a pop-up menu appears.
3. Move the joystick to highlight the Diagnostic icon joystick to confirm. A gray test pattern appears. and then press the 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. 7. Press the joystick to end the diagnostic program.
Common problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common symptoms No Video/Power LED off What you experience No picture Possible solutions • Ensure that the video cable connecting the monitor and the computer is properly connected and secure. • Verify that the power outlet is functioning properly using any other electrical equipment. • Ensure that the power button is pressed fully.
Missing Pixels 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: www.dell.com/ pixelguidelines. Stuck-on Pixels LCD screen has bright spots • Cycle power On-Off. • Pixel that is permanently off is a natural defect that can occur in LCD technology.
Synchronization Problems Screen is scrambled or appears torn • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode. • Check for bent or broken pins in the video cable connector. • Restart the computer in the safe mode. Safety Related Issues Visible signs of smoke or sparks • Do not perform any troubleshooting steps. • Contact Dell immediately.
Image retention from a static image left on the monitor for a long period of time Faint shadow from the static image displayed appears on the screen • Set the screen to turn off after a few minutes of screen idle time. These can be adjusted in Windows Power Options or Mac Energy Saver setting. Picture quality (Refresh rate of native resolution changes from 60 Hz to 30 Hz; or color depth drops to 18 bits) Issues of incorrect • Set USB-C Prioritization to High refresh rate or Resolution.
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. • Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary. • Reset the computer or video player.
Universal Serial Bus (USB) specific problems Common symptoms What you experience USB interface is not working USB peripherals are not working Possible solutions • Check that your monitor is turned On. • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Switch Off and then turn On the monitor again. • Reboot the computer. • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system.
Wireless USB peripherals stop working when a USB 3.2 device is plugged in Wireless USB • Increase the distance between the peripherals USB 3.2 peripherals and the wireless responding slowly USB receiver. or only working as • Position your wireless USB receiver as the distance close as possible to the wireless USB between itself and peripherals. its receiver • Use a USB-extender cable to position decreases the wireless USB receiver as far away as possible from the USB 3.2 port.
Appendix WARNING: Safety instructions WARNING: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards. For information on safety instructions, see Safety, Environmental, and Regulatory Information (SERI). FCC notices (U.S. only) and other regulatory information For FCC notices and other regulatory information, see the regulatory compliance website located at www.dell.
