Dell UltraSharp 30 USB-C Hub Monitor -U3023E User’s Guide Model: U3023E Regulatory model: U3023Et
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 © 2022 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 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 About your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Package contents . . . . . . . . . . . . . . . . . . . . . . . . . 7 Product features . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Identifying parts and controls . . . . . . . . . . . . . . . . . . 10 Front view . . . . . . . . . . . . . . . . . .
Tilt, swivel and vertical extension . . . . . . . . . . . . . . . . . . . . . . 33 Rotating the display . . . . . . . . . . . . . . . . . . . . . . . .33 Configuring the display settings on your computer after rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Organizing your cables . . . . . . . . . . . . . . . . . . . . . .35 Connecting your monitor . . . . . . . . . . . . . .
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 FCC notices (U.S. Only) and other regulatory information . . . 94 Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . .94 EU product database for energy label and product information sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. • Place the monitor on a solid surface and handle it carefully. The screen is fragile and can be damaged if dropped or hit sharply. • Always be sure that your monitor is electrically rated to operate with the AC power available in your location. • Keep the monitor in room temperature.
About your monitor Package contents Your monitor ships with the components shown in the table below. If any component is missing, contact Dell. For more information, see Contact Dell. NOTE: Some components may be optional and may not ship with your monitor. Some features may not be available in certain countries. Display Stand riser Stand base Power cable (varies by country) DisplayPort 1.8 M cable (DisplayPort to DisplayPort) USB-C Gen2 1.
USB-C Gen2 PD3.0 cable QSG • Quick Setup Guide • Safety, Environmental, and Regulatory Information • Factory Calibration Report Product features The Dell UltraSharp U3023E monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The monitor features include: • 75.62 cm (30.0 in.) active area display (Measured diagonally) 2560 x 1600 (16:10) resolution, plus full-screen support for lower resolutions.
• Premium Panel Exchange for peace of mind. • Optimize eye comfort with a flicker-free screen minimizes hazard blue light emission. • The Monitor use Low Blue Light panel and compliance with TUV Rheinland (Hardware Solution) at factory reset/default setting model. • Decreases the level of hazard blue light emitted from the screen to make viewing more comfortable for your eyes.
Identifying parts and controls Front view 1 Label 1 10 | Description Use Power LED indicator Solid white light indicates the monitor is turned on and functioning normally. Blinking white light indicates the monitor is in Standby Mode.
Back view 1 2 3 45 7 6 Label Description Use 1 VESA mounting holes (100 mm x 100 mm-behind attached VESA cover) Wall mount monitor using VESA-compatible 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 Power On/Off button To turn the monitor on or off. 5 Joystick Use it to control the OSD menu.
Bottom view 9 15 1 2 Label Description 1 2 3 4 5 6 12 | 16 3 4 5 6 78910 11 12 13 14 Use Security lock slot Secures monitor with security cable lock (sold separately). Power connector HDMI port DisplayPort in USB-C port (Video + Data) DP port (out) Connect the power cable. Connect your computer with the HDMI cable (Optional). Connect your computer with the DisplayPort cable. Connect to your computer using the USB-C cable.
7 8 Audio line-out port USB-C upstream port （Data only） 9,10, Super speed USB 10Gbps 11,13 (USB 3.2 Gen2) (4) 12 RJ45 connector Connect speakers to playback audio through HDMI or DisplayPort audio channels. Only two-channel audio is supported. NOTE: The audio line-out port does not support headphones. Connect to your computer using the USB cable (A to C or C to C). Once the USB cable is connected, you can use the USB downstream connectors on the monitor.
Monitor specifications Screen type Active matrix - TFT LCD Panel Type In-plane switching Technology Aspect ratio 16:10 Viewable image dimensions Diagonal 75.62 cm (30.0 in.) Active Area Horizontal 641.28 mm (25.25 in.) Vertical 400.80 mm (15.78 in.) 257025.02 mm2 (398.39 in.2) Area Pixel pitch 0.2505 mm x 0.2505 mm Pixel per inch (PPI) 101.
Connectivity • 1 x DP 1.4 (HDCP 1.4) • 1 x HDMI 1.4 (HDCP 1.4) • 1 x USB-C (DP 1.4, PD: 90W, 2/4 lanes switch USB 3.2 Gen2, 10 Gbps) - upstream • 1 x USB-C (USB 3.2 Gen2, 10 Gbps) upstream • 1 x DP (Out) • 1 x Analog 2.0 audio line out (3.5 mm jack) • 3 x USB-A (USB 3.2 Gen2, 10 Gbps) downstream • 1 x RJ45 Quick Access: • 1 x USB-A (USB 3.2 Gen2, 10 Gbps) downstream with BC 1.2 • 1 x USB-C (USB 3.2 Gen2, 10 Gbps, 15 W) downstream Border width (edge of monitor to active area) Top Left/Right Bottom 7.
Resolution specifications Horizontal scan range 30 kHz to 113 kHz Vertical scan range 56 Hz to 76 Hz Maximum preset resolution 2560 x 1600 at 60 Hz Video display capabilities (HDMI) 480i, 480p, 576i, 576p, 720p, 1080i, 1080p Video display capabilities (DP & USB-C alternate mode) 480p, 576p, 720p, 1080p Preset display modes Display mode VGA, 720 x 400 VGA, 640 x 480 VESA, 640 x 480 VESA, 800 x 600 VESA, 800 x 600 VESA, 1024 x 768 VESA, 1024 x 768 MAC, 1152 x 864 VESA, 1280 x 720 CVT, 1280 x 800 VESA
DP Multi-Stream Transport (MST) modes MST Source Monitor Maximum number of external monitors that can be supported 2560 x 1600/60 Hz 2560 x 1600/60 Hz 2 NOTE: Maximum external monitor resolution supported is 2560 x 1600/60 Hz only. USB-C Multi-Stream Transport (MST) modes Maximum number of external OSD Display Info: USB-C Prioritization monitors that can be supported Stream Info 2560 x 1600/60 Hz 5.4Gbps 8.1Gbps 8.1Gbps, DSC USB Speed High Data Speed 0 USB 3.2 Gen2 High Resolution 1 USB 2.
Electrical specifications Video input signals Input voltage/ frequency/current Inrush current • Digital video signal for each differential line Per differential line at 100 ohm impedance • DP/HDMI/USB-C signal input support 100-240 VAC / 50 or 60 Hz ± 3 Hz / 2.8 A (maximum) 120 V: 42 A (Max.) 240 V: 80 A (Max.) Inrush current is measured at an ambient temperature of 0°C. Power Consumption 0.2 W (Off Mode)1 0.3 W (Standby Mode)1 26.6 W (On Mode)1 210 W (Max)2 23.14 W (Pon)3 74.
Physical characteristics Connector type • DP connector (include DP in and DP out) • HDMI connector • USB-C connector • Audio line-out • USB-C (USB 3.2 Gen2, 10 Gbps) upstream connector • USB-A (USB 3.2 Gen 2, 10 Gbps) downstream connector x 4 (Port with battery icon supports BC 1.2.) • RJ45 connector • USB-C (USB 3.2 Gen2, 10 Gbps, 15W) downstream connector Signal cable type DP to DP 1.8 M cable USB 3.2 Gen2 A to C 1.0M cable USB 3.2 Gen2 C to C 1.
Weight without stand assembly (For wall mount or VESA mount considerations - no cables) Weight of stand assembly 6.48 kg (14.29 lb) 4.28 kg (9.44 lb) Environmental characteristics Compliant Standards • ENERGY STAR certified Monitor. • EPEAT registered where applicable. EPEAT registration varies by country. See https://www.epeat.net for registration status by country. • TCO Certified & TCO Certified Edge. • RoHS Compliant. • BFR/PVC Free monitor (excluding external cables).
Pin assignments DP port (in) Pin number 20-pin side of the connected signal cable 1 ML3(n) 2 GND 3 ML3(p) 4 ML2(n) 5 GND 6 ML2(p) 7 ML1(n) 8 GND 9 ML1(p) 10 ML0(n) 11 GND 12 ML0(p) 13 CONFIG1 14 CONFIG2 15 AUX CH (p) 16 GND 17 AUX CH (n) 18 Hot Plug Detect 19 Return 20 DP_PWR About your monitor | 21
DP port (out) Pin number 20-pin side of the connected signal cable 1 ML0(p) 2 GND 3 ML0(n) 4 ML1(p) 5 GND 6 ML1(n) 7 ML2(p) 8 GND 9 ML2(n) 10 ML3(p) 11 GND 12 ML3(n) 13 CONFIG1 14 CONFIG2 15 AUX CH(p) 16 GND 17 AUX CH(n) 18 Hot Plug Detect 19 Return 20 DP_PWR 22 | About your monitor
HDMI port 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.
USB-C port Pin Signal Pin Signal A1 GND B12 GND A2 SSTXp1 B11 SSRXp1 A3 SSTXn1 B10 SSRXn1 A4 VBUS B9 VBUS A5 CC1 B8 SBU2 A6 Dp1 B7 Dn1 A7 Dn1 B6 Dp1 A8 SBU1 B5 CC2 A9 VBUS B4 VBUS A10 SSRXn2 B3 SSTXn2 A11 SSRXp2 B2 SSTXp2 A12 GND B1 GND 24 | About your monitor
Universal Serial Bus (USB) This section gives you information about the USB ports available on your monitor. NOTE: Up to 2 A on USB downstream port (port with battery icon) with BC 1.2 compliance devices; up to 0.9 A on the other 3 USB downstream ports; Up to 3 A on USB-C downstream port (port with icon) with 5 V/3 A compliance devices. Your monitor has the following USB ports: • 2 upstream - at rear. • 5 downstream - 2 at bottom, 3 at rear.
USB 3.2 Gen2 (10Gbps) downstream port (Bottom) USB 3.
Driver installation Install the Realtek USB GBE Ethernet Controller Driver available for your system. This is available for download at https://www.dell.com/support under the “Driver and download” section. Network (RJ45) data rate via USB-C max speed is 1000 Mbps. NOTE: This LAN port is 1000Base-T IEEE 802.
Plug-and-Play 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 the computer 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.
Maintenance guidelines Damage to monitor through incorrect cleaning methods WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet. CAUTION: Read and follow the Safety instructions before cleaning the monitor. Improper cleaning methods can result in physical damage to Dell monitors. Physical defects may affect the screen and body of the monitor.
Setting up the monitor Connecting the stand NOTE: The stand riser and stand base are detached when the monitor is shipped from the factory. NOTE: The following instructions are applicable only for the stand shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the set up instructions that are included with the stand. To attach the monitor stand: 1. Open the front flap of the box to get the stand riser and stand base. 2.
4. Close the screw handle. 1 2 3 5. Open the protective cover on the monitor to access the VESA slot on the monitor. 6. Slide the tabs on the stand riser into the slots on the display back cover and lower the stand assembly to snap it into place.
7. Hold the stand riser and lift the monitor carefully, then place it on a flat surface. NOTE: Hold the stand riser firmly when lifting the monitor to avoid any accidental damage. 8. Lift the protective cover from the monitor.
Using the tilt, swivel, and vertical extension NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the set up instructions that were included with the stand. Tilt, swivel and vertical extension With the stand attached to the monitor, you can tilt the monitor for the most comfortable viewing angle.
NOTE: To toggle the display setting on your Dell computer between landscape and portrait when rotating the display, download and install the latest graphics driver. To download, go to https://www.dell.com/support/ drivers and search for the appropriate driver. NOTE: When the display is in portrait mode, you may experience performance degradation when using graphic-intensive applications such as 3D gaming.
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. If your cable is not able to reach your PC, you may connect directly to the PC without routing through the slot on the monitor stand.
Connecting your monitor WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. To connect your monitor to the computer: 1. Turn off your computer. 2. Connect the DisplayPort or USB cable, and the USB-C cable from your monitor to the computer. 3. Turn on your monitor. 4. Select the correct input source from the OSD Menu on your monitor and then turn on your computer. NOTE: U3023E default setting is DisplayPort 1.4. A DisplayPort 1.
Connecting the DP Cable Connecting the monitor for DP Multi-Stream Transport (MST) function NOTE: Supports the DP MST feature. To make use of this feature, your PC Graphics Card must be certified to at least DP1.2 with MST option. NOTE: Remove the rubber plug when using DP out connector.
Connecting the USB-C Cable (A to C) NOTE: With this connection only data is available and no video. Need another video connection for display. Connecting the USB-C Cable (C to C) The USB-C port on your monitor: • Can be used as USB-C or DisplayPort 1.4, alternatively. • Supports USB Power Delivery (PD), with profiles up to 90 W.
Connecting the Monitor for USB-C Multi-Stream Transport (MST) Function NOTE: The maximum number of supported U3023E via MST is subjected to the bandwith of the USB-C source. Please refer to “product specific problems –No image when using USB-C MST”. NOTE: Remove the rubber plug when using DP out connector.
Dell Power Button Sync (DPBS) • The U3023E monitor is designed with Dell Power Button Sync (DPBS) feature to allow you to control PC system power state from the monitor power button. This feature is compatible with Dell OptiPlex 7090/3090 Ultra platform, and is only supported over USB-C interface. USB-C OptiPlex 7090/3090 Ultra USB-C • To make sure the DPBS function works for the first time, you should do the following steps for Dell OptiPlex 7090/3090 Ultra platform in the Control Panel.
2. Select Hardware and Sound, followed by Power Options. 3. Go to System Settings. 4. In the drop-down menu of When I press the power button, there are a few options for selection namely Do nothing/Sleep/Hibernate/Shut down, and you can select Sleep/Hibernate/Shut down.
NOTE: Do not select Do nothing, otherwise monitor power button cannot sync with PC system power state.
Connecting the monitor for DPBS for the first time USB-C Initial monitor power state(OFF) Initial system power state(OFF) USB-C For the first time setting up the DPBS function, please follow below steps: 1. Make sure both the PC and monitor is OFF. 2. Connect the USB-C cable from the PC to the monitor. 3. Press the monitor power button to turn ON the monitor. 4. Both the monitor and PC will turn ON momentarily. Wait for a while (approximately 6 seconds) and both the PC and monitor will turn OFF. 5.
Using DPBS function When you press the monitor power button or PC power button, the Monitor / PC state is as follows: 1 USB-C 2 Initial monitor power state(ON) New Power state of monitor(OFF) New Power state of system(OFF) Initial system power state(ON) Press PC/Monitor power button USB-C 1 USB-C USB-C Initial monitor power state(OFF) 2 New Power state of monitor(ON) New Power state of system(ON) Initial system power state(OFF) Press PC/Monitor power button USB-C USB-C When the monitor a
Slide to shut down your PC When the monitor and PC power state are both ON, while you press and hold 10 seconds on monitor power button, the PC will shut down.
Connecting the monitor for USB-C Multi-Stream Transport (MST) function A PC is connected to two monitors in an initially OFF power state, and the PC system power state is in sync with Monitor 1 power button. When you press the Monitor 1 or PC power button, both the Monitor 1 and PC turns ON. Meanwhile the Monitor 2 will remain OFF. You need to manually press the power button on Monitor 2 to turn it ON.
Connecting the monitor for USB-C The Dell OptiPlex 7090 Ultra platform has two USB-C ports, both Monitor 1 and Monitor 2 power state can sync with the PC. While the PC and two monitors are in an initially ON power state, by pressing the power button on Monitor 1 or Monitor 2 will turn OFF the PC, Monitor 1, and Monitor 2. NOTE: DPBS only supports the port with icon.
Make sure to set USB-C Charging to On in Off Mode. While the PC and two monitors are in an initially OFF power state, by pressing the power button on Monitor 1 or Monitor 2 will turn ON the PC, Monitor1, and Monitor 2.
Securing your monitor using Kensington lock (optional) The security lock slot is located at the bottom of the monitor. (See Security lock slot) For more information on using the Kensington lock (purchased separately), see the documentation that is shipped with the lock. Secure your monitor to a table using the Kensington security lock. NOTE: The image is for the purpose of illustration only. Appearance of the lock may vary.
Removing the monitor stand CAUTION: 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 the stand that was shipped with your monitor. If you are connecting a stand that you purchased from any other source, follow the set up instructions that were included with the stand. To remove the stand: 1. Place the monitor on a soft cloth or cushion. 2.
Wall mounting (optional) NOTE: Use M4 x 10 mm screws to connect the monitor to the wallmounting kit. Refer to the instructions that come with the VESA-compatible wall mounting kit. 1. Place the monitor on a soft cloth or cushion on a stable flat table. 2. Remove the 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.
Operating the monitor Power on the monitor Press the button to turn on the monitor. Using the joystick control To modify the OSD adjustments using the joystick control on the rear end of the monitor, do the following: 1. Press the joystick to open the OSD Menu Launcher. 2. Move the joystick up/down/left/right to toggle between the OSD menu options.
Joystick functions Function Description Press joystick to open the OSD Menu Launcher. For right and left navigation. For up and down navigation. Using the menu launcher Press the joystick to open the OSD menu launcher. Preset Modes Menu Launcher • • • Toggle the joystick Up to open the Main Menu. Toggle the joystick Left or Right to select the desired Shortcut Keys. Toggle the joystick Down to Exit.
Menu launcher details The following table describes the Menu Launcher icons: Menu launcher icon Main Menu USB switch (Shortcut key 1) Input Source (Shortcut key 2) Preset Modes (Shortcut key 3) Brightness/Contrast (Shortcut key 4) PIP/PBP Mode (Shortcut key 5) Description Opens the On-Screen Display (OSD). For more information, see the Using the main menu section. Select to switch between the USB upstream sources in PBP mode. Sets the Input Source.
Front‑panel button Use the buttons on the front of the monitor to adjust the image settings. Front panel Description 1 Use the Up (increase) and Down (decrease) buttons to adjust items in the OSD menu. Up Down 2 Use the Previous button to go back to the previous menu. Previous 3 Use the Next button to confirm your selection. Next 4 Use the Tick button to confirm your selection.
Using the main menu Icon Menu and Submenus Brightness/ Contrast Description Activates Brightness/Contrast adjustment. UltraSharp 30 Monitor Brightness/Contrast Input Source Color Display PIP/PBP USB Menu Personalize Others 75% 75% Exit Brightness Adjusts the luminance of the backlight (Range: 0 - 100). Move the joystick Up to increase brightness. Move the joystick Down to decrease brightness. Contrast Adjust the Brightness first, and then adjust Contrast only if further adjustment is necessary.
Icon Menu and Submenus Input Source Description Selects between different video inputs that are connected to your monitor. UltraSharp 30 Monitor Brightness/Contrast USB-C Input Source DP Color HDMI 90W Display Auto Select On PIP/PBP Auto Select for USB-C Prompt for Multiple Inputs USB Rename Inputs USB-C Menu Reset Input Source 90W Personalize Others Exit USB-C DP 90W input when you are using the 90W Select USB-C USB-C 90W connector.
Icon Menu and Submenus Color Description Adjusts the color setting mode. UltraSharp 30 Monitor Brightness/Contrast Preset Modes Standard Input Source Input Color Format RGB Color Reset Color Display PIP/PBP USB Menu Personalize Others Exit Preset Modes When you select Preset Modes, you can choose Standard, Movie, Game, Color Temp., Color Space or Custom Color from the list.
Icon Menu and Submenus Description • Color Space: Allows users to select the color space: sRGB, DCI-P3. • Custom Color: Allows you to manually adjust the color settings. Press the joystick left and right buttons to adjust the Red, Green, and Blue values and create your own preset color mode. Input Color Format Allows you to set the video input mode to: • RGB: Select this option if your monitor is connected to a computer or a media player that supports RGB output.
Icon Menu and Submenus Display Description Use the Display menu to adjust image. UltraSharp 30 Monitor Brightness/Contrast Aspect Ratio 16:10 Input Source Sharpness 50 Color Response Time Normal Display MST Off PIP/PBP USB-C Prioritization USB Multi-Monitor Sync Menu Reset Display Off Personalize Others Exit Aspect Ratio Adjust the image ratio to 16:10, Auto Resize, 4:3, 1:1. Sharpness Makes the image look sharper or softer.
Icon Menu and Submenus Multi-Monitor Sync Description Multi-Monitor Sync allows multiple monitors that are daisy chained via DisplayPort to synchronize a pre-defined group of OSD settings in the background. An OSD option, Multi-Monitor Sync will be created in Display Menu to allow user to enable/disable syncing.
Icon Menu and Submenus PIP/PBP Description This function brings up a window displaying image from another input source. UltraSharp 30 Monitor Brightness/Contrast PIP/PBP Mode Off Input Source Color Display PIP/PBP USB Menu Personalize Others Exit Main Window USB-C DP Sub-Window USB-C DP √ √ √ √ NOTE: The images under PBP will be displayed at the center of the screen, not full screen.
Icon Menu and Description Submenus PIP/PBP Mode Adjusts the PIP or PBP (Picture by Picture) mode. You can disable this feature by selecting Off.
Icon Menu and Description Submenus PIP/PBP (Sub) Select between the different video signals that may be connected to your monitor for the PBP sub-window. Press the button to select the PBP sub-window source signal.
Icon Menu and Submenus USB Description Allows you to set the USB upstream port for the DP input signals, thus the monitor’s USB downstream port (For example, keyboard and mouse) can be used by the current input signals when you connect a computer to either one of the upstream ports. When you use only one upstream port, the connected upstream port is active.
Icon Menu and Submenus Menu Description 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. UltraSharp 30 Monitor Brightness/Contrast Language English Input Source Rotation Select Color Transparency 20 Display Timer 20s PIP/PBP Lock Disable USB Reset Menu Menu Personalize Others Exit Language Set the OSD display to one of eight languages.
Icon Menu and Submenus Lock Description 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.
Icon Menu and Submenus Shortcut key 1 Shortcut key 2 Shortcut key 3 Shortcut key 4 Shortcut key 5 Power Button LED Description Select from Preset Modes, Brightness/Contrast, Input Source, Aspect Ratio, Rotation, PIP/PBP Mode, USB Switch Video Swap, Display Info set as shortcut key. Allows you to set the state of the power light to save energy. USB-C Charging Allows you to enable or disable USB-C Charging 90W 90W charging function during monitor power off mode.
Icon Menu and Submenus Others Description Select this option to adjust the OSD settings such as the DDC/CI, LCD conditioning, and so on. UltraSharp 30 Monitor Brightness/Contrast Display Info Select Input Source DDC/CI On Color LCD Conditioning Off Display Firmware M3T101 PIP/PBP Service Tag CN073K0 USB Self-Diagnostics Select Menu Reset Others Personalize Factory Reset ENERGY STAR® Others Exit Display Info Displays the monitor’s current settings. Press to select this function.
Icon Menu and Submenus DDC/CI Description 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 disable this feature by selecting Off. Enable this feature for best user experience and optimum performance of your monitor.
Icon Menu and Submenus Service Tag SelfDiagnostics Reset Others Factory Reset Description Displays the Service Tag. The Service Tag is a unique alphanumeric identifier that allows Dell to identify the product specifications and access warranty information. NOTE: The Service Tag is also printed on a label located at the back of the cover. Use this option to run the built-in diagnostics, see Built-in diagnostics. Resets all settings under the Others menu to the factory defaults.
Using the OSD lock function You can lock the front-panel control buttons to prevent access to the OSD menu and/ or power button. Use the lock menu to lock the button(s). 1. Select one of the following options. UltraSharp 30 Monitor Brightness/Contrast Language Input Source Rotation Color Transparency Display Timer PIP/PBP Lock Menu Buttons USB Reset Menu Power Button Menu Menu + Power Buttons Personalize Disable Others Exit The following message appears.
Use the joystick to lock the button(s). Press the left directional navigation of joystick for four seconds, a menu appears on the screen. Select Option: Select one of the following options: Options Description 1 Select this option to lock OSD menu function. Menu button lock 2 Power button lock 3 Use this option to lock power button. This will prevent the user to turn off the monitor using the power button. Use this option to lock OSD menu and power button to turn off the monitor.
To unlock the button(s). Press the left directional navigation of joystick for four seconds until a menu appears on the screen. The following table describes the options to unlock the front-panel control buttons. Select Option: Options Description 1 Use this option to unlock OSD menu function. Menu button unlock 2 Use this option to unlock power button to turn off the monitor. Power button unlock 3 Use this option to unlock OSD menu and power button to turn off the monitor.
Initial setup Select OSD items of Factory Reset in Other feature, the following message will appear: Are you sure you want to reset to default settings? Yes No When you select ‘Yes‘ to reset to default settings, the following message will appear: UltraSharp 30 Monitor Select ‘Yes’ to enable the following function(s): . Always on USB-C Charging. . Other USB Charging Yes No When ‘Yes’ is selected, power consumption will increase. When ‘No’ is selected, It will comply with ENERGY STAR requirements.
OSD warning messages When the monitor does not support a particular resolution mode, you can see the following message: The current input timing is not supported by the monitor display. Please change your input timing to 2560x1600, 60Hz or any other monitor listed timing as per monitor specifications. 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.
A message is displayed while the cable supporting DP alternate mode is connected to the monitor under the following conditions: • When Auto Select for USB-C is set to Prompt for Multiple Inputs. • When the USB-C cable is connected to the monitor. Switch to USB-C Video Input: Yes No If the monitor connect with two ports or more, when the Auto of Input Source is selected, it will turn to the next port with signal.
If either DP, HDMI or USB-C input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears. No DP Cable The display will go into Standby Mode in 4 minutes. www.dell.com/U3023E or No HDMI Cable The display will go into Standby Mode in 4 minutes. www.dell.com/U3023E or No USB-C Cable The display will go into Standby Mode in 4 minutes. www.dell.com/U3023E For more information, see Troubleshooting.
Setting the maximum resolution To set the maximum resolution for the monitor: In Windows 7, Windows 8 or Windows 8.1: 1. For Windows 8 or Windows 8.1 only, select the Desktop tile to switch to classic desktop. For Windows Vista and Windows 7, skip this step. 2. Right-click on the desktop and click Screen Resolution. 3. Click the Dropdown list of the Screen Resolution and select 2560 x 1600. 4. Click OK. In Windows 10: 1. Right-click on the desktop and click Display Settings. 2.
Multi-Monitor Sync (MMS) Multi-Monitor Sync allows multiple monitors that are daisy chained via DisplayPort to synchronize a pre-defined group of OSD settings in the background. An OSD option, Multi-Monitor Sync is available in Display Menu to allow user to enable/disable syncing. NOTE: MMS is not supported over HDMI interface.
OSD Settings to be synchronized • Brightness • Contrast • Preset Modes • Color Temperature • Custom Color (RGB Gain) • Hue (Movie, Game mode) • Saturation (Movie, Game mode) • Response Time • Sharpness Setting Multi-Monitor Sync (MMS) During initial power on or connection of new monitor, user setting synchronization only start if MMS is On. All monitor should synchronize settings from Monitor 1.
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 back of the computer.
4. This box also appears during normal system operation if the video cable becomes disconnected or damaged. 5. Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor. If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your monitor is functioning properly.
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 No Video/ Power LED on No picture or no brightness Missing Pixels LCD screen has spots Stuck-on Pixels LCD screen has bright spots Brightness Problems Safety Related Issues 84 | Picture too dim or too bright Visible signs of smoke or sparks Troubleshooting Possible solutions • Ensur
Common symptoms Intermittent Problems What you Possible solutions experience Monitor • Ensure that the video cable connecting the malfunctions on monitor to the computer is connected properly & off and is secure. • Reset the monitor to factory settings. • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. Missing Color Picture missing • Perform monitor self-test.
Product specific problems Problem What you experience Screen image is Image is too small centered on screen, but does not fill entire viewing area Cannot adjust OSD does not the monitor appear on the with the screen buttons on the front panel No Input Signal No picture, the when user LED light is controls are white pressed The picture The picture does not fill the cannot fill the entire screen height or width of the screen No image Black screen when using DP connection to the PC 86 | Troubleshooting
Problem What you experience No image when Black screen using USB-C connection to computer, laptop, and so on Possible solutions No charging when using USB-C connection to computer, laptop, and so on No charging Intermittent charging when using USB-C connection to computer, laptop, and so on No image when using USB-C MST Intermittent charging • Verify if the USB-C interface of the device can support DP alternate mode. • Verify if the device required more than 90 W power charging.
Problem What you experience The LAN port is OS setting not functioning or cable connection issue Possible solutions • Ensure that the latest BIOS and drivers for your computer are installed on your computer. • Ensure that the RealTek Gigabit Ethernet Controller is installed in the Windows Device Manager. • If your BIOS Setup has a LAN/GBE Enabled/ Disabled option, make sure it is set to Enabled. • Ensure that the Ethernet cable is connected securely on the monitor and the hub/router/ firewall.
Problem U3023E connected as 3rd monitors displayed image at lower resolution in DP1.4 (DSC Enable) 2nd monitor (U3023E) no displayed image when 1st monitor (non-DSC) connected to Discrete Graphic Card (E.g Nvidia) with DSC Enable U3023E as 2nd monitor cannot display 2560 x 1600 image when 1st monitor (non-DSC) connected to Intel Graphic Card with DP1.
Problem What you experience OSD lagging 2 or 3 monitors when navigating connected in menu daisy chain when MMS is On, OSD lagging during menu navigation OSD no 2 or 3 monitors response connected in daisy chain when MMS is On, no OSD response during menu navigation response during menu navigation Can’t adjust 2 or 3 monitors Brightness/ connected in Contrast daisy chain through when MMS Dell Display is On, some Manager functions of (DDM) the 2nd or 3rd monitors may not work on DDM U3023E as Two monitors 2nd
Problem What you experience U3023E Two monitors connected as connected in 2nd monitor Daisy chain, 1st cannot set to monitor(non2560 x 1600 @ DSC) and 60Hz in Daisy 2nd monitor chain mode in U3023E cannot DP1.
Problem What you experience 3 Soundbar 3 soundbars unit not unit connected working when individually connected to 3 U3023E to 3 U3023E monitor, monitor soundbar not working via DP/ HDMI 3x U3023E Three monitors connected in connected in MST mode DSC Daisy chain, disable and High 1st monitor Data Speed connect USB-C encountered cable with hang five platform and 2nd minutes issue and 3rd monitor with DP cable when set MST On and USB-C Prioritization (High Data Speed) and DSC Disable Restart platform or unplu
Universal Serial Bus (USB) specific problems Specific symptoms USB interface is not working What you Possible solutions experience USB peripherals • Check that your display is turned ON. are not working • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Turn off the monitor and turn it on again. • Reboot the computer. • Certain USB devices such as portable hard drives require higher power source; connect the drive to the computer directly.
Appendix FCC notices (U.S. Only) and other regulatory information For FCC notices and other regulatory information, see the regulatory compliance at https://www.dell.com/regulatory_compliance. Contacting Dell 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.
