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Troubleshooting |

Specific
Symptoms

What You
Experience

Possible Solutions

USB Type-C
port does not
supply power

USB peripherals
can not be
charged

• Check that the connected device is compliant

with the USB-C specification. The USB Type-C
port supports USB 2.0 and an output of 90 W.

• Check that you use the USB Type-C cable

shipped with your monitor.

Super Speed
USB 3.2 Gen2
interface is
slow.

Super Speed
USB 3.2 Gen2
peripherals
working slowly
or not working
at all

• Check that your computer is USB 3.0-capable.
• Some computers have USB 3.0, USB 2.0, and

USB 1.1 ports. Ensure that the correct USB port
is used.

• Reconnect the upstream cable to your

computer.

• Reconnect the USB peripherals (downstream

connector).

• Reboot the computer.

Wireless USB
peripherals stop
working when a
USB 3.0 device
is plugged in

Wireless USB
peripherals
responding
slowly or only
working as
the distance
between itself
and its receiver
decreases

• Increase the distance between the USB 3.0

peripherals and the wireless USB receiver.

• Position your wireless USB receiver as close as

possible to the wireless USB peripherals.

• Use a USB-extender cable to position the

wireless USB receiver as far away as possible
from the USB 3.0 port.

USB is not
working

No USB
functionalities

Refer to input source and USB pairing table.

Содержание U4021QW

Страница 1: ...Model U4021QW Regulatory model U4021QWt Dell UltraSharp 40 Curved WUHD Monitor U4021QW User s Guide ...

Страница 2: ...r loss of data if instructions are not followed WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2020 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 2020 12 Rev A00 ...

Страница 3: ... 14 Electrical specifications 15 Speaker Specifications 16 Physical characteristics 16 Environmental characteristics 17 Video Bandwidth 18 USB Bandwidth 18 Pin assignments 19 Plug and Play 25 LCD monitor quality and pixel policy 25 Ergonomics 26 Handling and moving your display 28 Maintenance guidelines 29 Cleaning your monitor 29 Setting up the monitor 30 Connecting the stand 30 Using the tilt sw...

Страница 4: ...tion 43 Front panel button 46 Using the On Screen Display OSD Menu 47 Accessing the menu system 47 OSD warning messages 60 Setting the maximum resolution 64 Setting the KVM USB Switch 65 Setting the Auto KVM 68 Troubleshooting 70 Self test 70 Built in diagnostics 71 Common Problems 72 Product specific problems 74 Universal Serial Bus USB specific problems 78 Appendix 80 FCC notices U S only and ot...

Страница 5: ...ed to operate with the AC power available in your location Keep the monitor in room temperature Excessive cold or hot conditions can have an adverse effect on the liquid crystal of the display Do not subject the monitor to severe vibration or high impact conditions For example do not place the monitor inside a car trunk Unplug the monitor when it is going to be left unused for an extended period o...

Страница 6: ... 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 cable DisplayPort to DisplayPort Super Speed USB 3 2 Gen1 A to B upstream cable Enables USB Ports on the monitor ...

Страница 7: ...consistencies or inaccuracies In addition a tighter grey scale tracking on each U4021QW monitor helps enable ultrasmooth color gradation The factory measurement from this very unit are shown here Be assured of Accurate Precise and Consistent Onscreen Color with every Dell Ultrasharp U4021QW Serial No Tester Test Equipment CN0Y7NWNWSL0004A464L 1 CA 310 CA 2000S Chroma 2326 sRGB Mode Avg E2000 2 DCI...

Страница 8: ...bolt 3 90 W and RJ45 ports enable a single cable network connected experience Plug and play capability if supported by your computer On Screen Display OSD adjustments for ease of set up and screen optimization Power and OSD buttons lock Security lock slot 0 3 W in Standby Mode Supports both Picture by Picture PBP Picture in Picture PIP Select Mode Allow user to switch USB KVM function in PBP mode ...

Страница 9: ...entifying parts and controls Front view 1 Label Description Use 1 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 ...

Страница 10: ... On Off button To turn the monitor on or off 5 Joystick Use it to control the OSD menu For more information see Operating the Monitor 6 Mac address Barcode serial number and Service Tag label Refer to this label if you need to contact Dell for technical support The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your comp...

Страница 11: ...s 7 Thunderbolt 3 90 W DisplayPort Connect to your computer using the Thunderbolt 4 USB Type C active cable The Thunderbolt 3 90 W port offer the fastest transfer rate and the alternate mode with DP 1 4 support the maximum resolution of 5120 x 2160 at 60 Hz PD 20 V 4 5 A 15 V 3 A 9 V 3 A 5 V 3 A NOTE USB Type C is not supported on Windows versions that are prior to Windows 10 8 USB Type B upstream...

Страница 12: ...nitor using a M3 x 8 mm screw screw not included 14 Built in speakers To output the sound from audio input Monitor specifications Screen type Active matrix TFT LCD Panel Type In plane switching Technology Aspect ratio 21 9 Viewable image dimensions Diagonal 1008 59 mm 39 7 in Active Area Horizontal 929 28 mm 36 59 in Vertical 392 04 mm 15 44 in Area 364236 5 mm2 564 95 in 2 Pixel pitch 0 1815 mm x...

Страница 13: ...ility at 2 A max 1 x Analog 2 0 audio line out 3 5 mm jack 1 x RJ45 Border width edge of monitor to active area Top Left Right Bottom 11 3 mm 11 3 mm 15 8 mm Adjustability Height adjustable stand 120 mm Tilt 5 to 21 Swivel 30 to 30 Cable management Yes Dell Display Manager DDM Compatibility Easy Arrange and other key features Security Security lock slot cable lock sold separately At panel native o...

Страница 14: ...64 00 60 00 108 00 VESA 1280 x 1024 80 00 75 00 135 00 VESA 1600 x 1200 75 00 60 00 162 00 VESA 1680 x 1050 65 29 60 00 146 25 VESA 1920 x 1080 67 50 60 00 148 50 VESA 1920 x 1200 74 04 60 00 154 00 VESA 2048 x 1152 70 99 60 00 156 75 VESA 2048 x 1280 78 92 60 00 174 25 VESA 2560 x 1080 66 64 60 00 181 25 VESA 1024 x 2160 133 24 60 00 157 75 VESA 1280 x 2160 133 15 60 00 191 75 VESA 2560 x 2160 13...

Страница 15: ...r 8 0 version TEC Total energy consumption in kWh as defined in Energy Star 8 0 version This document is informational only and reflects laboratory performance Your product may perform differently depending on the software components and peripherals you ordered and shall have no obligation to update such information Accordingly the customer should not rely upon this information in making decisions...

Страница 16: ... 2 Gen2 downstream port connector x 4 Port with battery icon supports BC 1 2 Signal cable type DP to DP 1 8 m cable HDMI 1 8 m cable Super Speed USB 3 2 Gen1 A to B 1 8 m cable Thunderbolt 4 USB Type C active 1 5 m cable Dimensions with stand Height extended 577 3 mm 22 73 in Height compressed 457 8 mm 18 02 in Width 946 6 mm 37 27 in Depth 248 0 mm 9 76 in Dimensions without stand Height 419 1 mm...

Страница 17: ...here applicable EPEAT registration varies by country See www epeat net for registration status by country TCO Certified Display RoHS Compliant BFR PVC Free monitor excluding external cables Meets NFPA 99 leakage current requirements Arsenic Free glass and Mercury Free for the panel only Temperature Operating 0 C to 40 C 32 F to 104 F Non operating 20 C to 60 C 4 F to 140 F Humidity Operating 10 to...

Страница 18: ...Cable 40G HDMI 2 0 HDMI 2 0 cable 5120 x 2160 30 Hz HDMI 1 4 HDMI 2 0 cable 3840 x 2160 30 Hz USB Bandwidth Host USB Upstream Cable USB Device connected to USB A or C Downstream USB A 5 Gbps A C Cable Supported USB 2 0 3 2 Gen1 A B Cable USB C 5 Gbps Data Only USB C Gen1 2 Cable Supported USB 2 0 3 2 Gen1 ThunderboltTM 4 Active Cable 40G ThunderboltTM 3 Active Cable 40G Supported USB 2 0 only USB ...

Страница 19: ...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 ...

Страница 20: ...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 on device 15 DDC CLOCK SCL 16 DDC DATA SDA 17 DDC CEC Ground 18 5 V POWER 19 HOT PLUG DETECT ...

Страница 21: ...B Type 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 ...

Страница 22: ...C 1 2 compatible The USB Type C downstream port with icon supports fast current charging capability if the device is 5V 3A compatible NOTE The monitor s USB ports work only when the monitor is on or in the standby mode In standby mode if the USB cable Type C to Type C is plugged in the USB ports can work normally Otherwise follow the OSD setting of USB if the setting is On in Standby Mode then USB...

Страница 23: ...wnstream port Pin number Signal name Pin number Signal name 1 VBUS 1 VBUS 2 D 2 D 3 D 3 D 4 GND 4 GND 5 StdB_SSTX 5 StdA_SSRX 6 StdB_SSTX 6 StdA_SSRX 7 GND_DRAIN 7 GND_DRAIN 8 StdB_SSRX 8 StdA_SSTX 9 StdB_SSRX 9 StdA_SSTX Shell Shield Shell Shield ...

Страница 24: ...tion Install the Realtek USB GBE Ethernet Controller Driver available for your system This is available for download at 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 3az compliant supporting Mac Address Printed on model label Pass thru Wake on LAN WOL from standby mode S3 only and PXE Boo...

Страница 25: ...tem 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 LCD monitor quality and pixel policy During the LCD monitor manu...

Страница 26: ...the breaks 5 Perform stretches to relieve tension in the neck arm back and shoulders during the breaks Make sure that the monitor screen is at eye level or slightly lower when you are sitting in front of the monitor Adjust the tilt of the monitor its contrast and brightness settings Adjust the ambient lighting around you such as overhead lights desk lamps and the curtains or blinds on nearby windo...

Страница 27: ...obstructions and cables or power cords that may interfere with comfortable seating or present a potential trip hazard monitor screen at or below eye level monitor and keyboard positioned directly in front of the user feet flat on the floor wrists relaxed and flat ...

Страница 28: ...all cables from the monitor Place the monitor in the original box with the original packing materials Hold the bottom edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor When lifting or moving the monitor ensure the screen is facing away from you and do not press on the display area to avoid any scratches or damage When transporting the mo...

Страница 29: ...o clean your anti static screen lightly dampen a soft clean cloth with water If possible use a special screen cleaning tissue or solution suitable for the anti static coating Do not use benzene thinner ammonia abrasive cleaners or compressed air Use a lightly dampened soft cloth to clean the monitor Avoid using detergent of any kind as some detergents leave a milky film on the monitor If you notic...

Страница 30: ...le 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 attach the monitor stand 1 Align and place the stand riser on the stand base 2 Open the screw handle at the bottom of the stand base and turn it clockwise to secure the stand assembly 3 Close the screw ha...

Страница 31: ...nitor 31 4 Open the protective cover on the monitor to access the VESA slot on the monitor 5 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 ...

Страница 32: ...nitor 6 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 7 Tear the paper cushion from the monitor ...

Страница 33: ...itor 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 5 30 30 120 mm 21 NOTE The stand is detached when the monitor is shipped from the factory ...

Страница 34: ... Thunderbolt 4 USB Type C active 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 U4021QW default setting is DisplayPort 1 4 A DisplayPort 1 1 Graphic card may not display normally Please refer to product specific problems No image when using ThunderboltTM connection to the PC to c...

Страница 35: ...ct Auto Select for Thunderbolt On Prompt for Multiple Inputs Rename Inputs Reset Input Source Thunderbolt 90W Thunderbolt 90W 3 Move the joystick up or down to select HDMI 1 HDMI 2 pess and hold the joystick 8 Sec the following message will appear Switch to lower primary resolution for HDMI Yes No 4 Select Yes to switch from HDMI 2 0 default to HDMI 1 4 or select No to cancel this operation 5 Repe...

Страница 36: ...36 Setting up the monitor Connecting the DP cable DP DP Connecting the USB cable USB USB Connecting the Thunderbolt 4 USB Type C active cable Thunderbolt 3 USB Type C Thunderbolt 90 W ...

Страница 37: ...er requirement actual power consumption of your laptop or the remaining power runtime in your battery the Dell U4021QW monitor is designed to supply power delivery of up to 90 W to your laptop Rated power on laptops that have Thunderbolt 3 90 W with PowerDelivery Maximum charging power 45 W 45 W 65 W 65 W 90 W 90 W 130 W Not supported Connecting the monitor for RJ45 Cable Optional USB Type C RJ45 ...

Страница 38: ...g 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 m...

Страница 39: ...he 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 Press and hold the stand release button 3 Lift the stand up and away from the monitor 2 3 ...

Страница 40: ...ushion 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 Mount the monitor on the wall as instructed in the documentation that shipped with the wall mounting kit NOTE For use only with UL or CSA or GS listed wall mount bracket with minimum we...

Страница 41: ...o confirm the settings and exit Joystick Description When the OSD menu is on press the button to confirm the selection or save the settings When the OSD menu is off press the button to launch the OSD main menu See Accessing the menu system For 2 way right and left directional navigation Move right to enter the submenu Move left to exit from the submenu Increases right or decreases left the paramet...

Страница 42: ...D and select the OSD menu 2 Shortcut key Volume Use this button to adjust the volume of the built in speakers 3 Shortcut key Input Source Use this button to choose from a list of Input Source 4 Shortcut key Preset Modes Use this button to choose from a list of preset color modes 5 Shortcut key Brightness Contrast To directly access the Brightness Contrast adjustment sliders 6 Shortcut key PIP PBP ...

Страница 43: ...ay PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others Language Transparency Timer Reset Menu Lock Menu Buttons Menu Power Buttons Disable Power Button 2 The following message appears Are you sure you want to lock the Menu Buttons To unlock the Button refer to the User s Guide Yes No 3 Select Yes to lock buttons Once locked pressing any contr...

Страница 44: ...ptions Description 1 Menu Button lock Select this option to lock OSD menu function 2 Power Button lock Use this option to lock power button This will prevent the user to turn off the monitor using the power button 3 Menu and Power Button lock Use this option to lock OSD menu and power button to turn off the monitor 4 Built in Diagnostics Use this option to run the built in diagnostics see Built in...

Страница 45: ...ng table describes the options to unlock the front panel control buttons Select Option Options Description 1 Menu Button unlock Use this option to unlock OSD menu function 2 Power Button unlock Use this option to unlock power button to turn off the monitor 3 Menu and Power Button unlock Use this option to unlock OSD menu and power button to turn off the monitor ...

Страница 46: ...mage settings Front Panel Button Description 1 Up Down Use the Up increase and Down decrease buttons to adjust items in the OSD menu 2 Previous Use the Previous button to go back to the previous menu 3 Next Use the Next button to confirm your selection 4 Tick Use the Tick button to confirm your selection ...

Страница 47: ...ize Others 75 75 Brightness Brightness adjusts the luminance of the backlight minimum 0 maximum 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 Move the joystick up to increase contrast and Move the joystick down to decrease contrast between 0 and 100 ...

Страница 48: ...TM 90W Select ThunderboltTM 90 W input when you are using the ThunderboltTM 3 90 W connector Press the joystick button to confirm the selection DP Select DP input when you are using the DP DisplayPort connector Press the joystick button to confirm the selection HDMI 1 Select the HDMI 1 input when you are using the HDMI connector Press the joystick button to confirm the selection HDMI 2 Select the ...

Страница 49: ...bolt video without asking while Thunderbolt 3 connected No The monitor will NOT auto switch to Thunderbolt video from another available input Rename Inputs Allows you to Rename Inputs Reset Input Source Resets all settings under the Input Source menu to the factory defaults Color Use the Color menu to adjust the color setting mode RGB Standard Input Color Format Reset Color Preset Modes Display PI...

Страница 50: ...stimulating image while reading content on the screen Movie Ideal for movies Game Ideal for most gaming applications Color Temp The screen appears warmer with a red yellow tint with slider set at 5 000K or cooler with blue tint with slider set at 10 000K Color Space Allows users to select the color space sRGB and DCI P3 the default setting is sRGB NOTE When you select DCI P3 as the color space the...

Страница 51: ... Input Color Format Reset Color Preset Modes Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others RGB YPbPr Hue Use joystick up or down to adjust the hue from 0 to 100 NOTE Hue adjustment is available only for Movie and Game mode Saturation Use joystick up or down to adjust the saturation from 0 to 100 NOTE Saturation adjustment is ava...

Страница 52: ...s you to set the Response Time to Normal or Fast Uniformity Compensation Select screen uniformity compensation settings 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 Uniformit...

Страница 53: ...ndow ThunderboltTM 90W DP HDMI 1 HDMI 2 ThunderboltTM 90W x DP x HDMI 1 x HDMI 2 x PIP PBP Mode Adjusts the PIP or PBP Picture by Picture mode You can disable this feature by selecting Off PIP PBP Sub Select between the different video signals that may be connected to your monitor for the PIP PBP sub window USB Switch Select to switch between the USB upstream sources in PBP mode Video Swap Swap Ma...

Страница 54: ...ast Exit UltraSharp 40 Monitor Menu Audio Personalize Others DP assign to HDMI 1 assign to HDMI 2 assign to USB B USB B USB B DP assign to Assign to USB B or Thunderbolt 90 W HDMI 1 assign to HDMI 2 assign to Audio Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others Volume Speaker Reset Audio On 50 ...

Страница 55: ...n screen and so on Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others Language Transparency Timer Reset Menu Lock English 20s Disable 20 Language Set the OSD display to one of eight languages English Spanish French German Brazilian Portuguese Russian Simplified Chinese or Japanese Transparency Select this option to change the menu tr...

Страница 56: ... USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others Language Transparency Timer Reset Menu Lock Menu Buttons Menu Power Buttons Disable Power Button Menu Buttons Through OSD to lock the Menu buttons Power Button Through OSD to lock the Power button Menu Power Buttons Through OSD to lock the all of Menu and Power buttons Disable Move the Joystick left and hold for 4 se...

Страница 57: ...hortcut key 1 Select from Preset Modes Brightness Contrast Input Source Aspect Ratio PIP PBP Mode USB Switch Video Swap Volume Display Info set as shortcut key Shortcut key 2 Shortcut key 3 Shortcut key 4 Shortcut key 5 Power Button LED Allows you to set the state of the power light to save energy USB C Charging 90 W Allows you to enable or disable USB C Charging 90 W charging function during moni...

Страница 58: ...G ENERGY STAR Off Display Info Displays the monitor s current settings DDC CI 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 Display PIP PBP Input Source C...

Страница 59: ...CD Conditioning Firmware Reset Others Factory Reset Service Tag On Off Firmware Displays the firmware version of your monitor Service Tag 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 Reset Others Res...

Страница 60: ...es addressable by this monitor Recommended mode is 5120 x 2160 You can see the following message before the DDC CI function is disabled The function of adjusting display setting using PC application will be disabled Do you wish to disable DDC CI function Yes No When the monitor enters the Standby mode the following message will appear Going into Standby mode Activate the computer and wake up the m...

Страница 61: ...tems of Factory Reset in Other feature the following message will appear Are you sure want to reset to default settings Yes No When you select Yes to reset to default settings the following message will appear UltraSharp 40 Monitor Select Yes to enable the following function s Always on USB C Charging Other USB Charging Uniformity Compensation When Yes is selected power consumption will increase W...

Страница 62: ...st the Brightness level above the default level over 75 the following message will appear Adjusting to this value will increase power consumpiton above the default level Do you want to continue Yes No When user selects Yes the power message is displayed only once When user select No the power warning message will pop up again The power warning message will appear again only when the user does a Fa...

Страница 63: ...splay will go into Standby Mode in 4 minutes www dell com U4021QW or No HDMI 1 Cable The display will go into Standby Mode in 4 minutes www dell com U4021QW or No HDMI 2 Cable The display will go into Standby Mode in 4 minutes www dell com U4021QW or No Thunderbolt 90W Cable The display will go into Standby Mode in 4 minutes www dell com U4021QW See Troubleshooting for more information ...

Страница 64: ...Display Settings 2 Click Advanced display settings 3 Click the dropdown list of Resolution and select 5120 x 2160 4 Click Apply If you do not see 5120 x 2160 as an option you may need to update your graphics driver 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 t...

Страница 65: ... PIP PBP Mode On in On Mode Off in Off Mode Off in Standby Mode Off 3 Move the joystick right to activate the highlighted option 4 Move the joystick right to activate the Shortcut Key 1 option 5 Move the joystick up or down to select USB Select Switch Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others Shortcut Key 2 Shortcut Key 1 Sh...

Страница 66: ...as illustrated in corresponding color frames 1 When connecting HDMI 1 USB B to computer 1 and DP Thunderbolt 90W to computer 2 USB A HDMI 1 DP USB Type C 1 1 2 2 3 3 4 4 NOTE The Thunderbolt 90 W connection currently supports only data transfer Ensure USB Selection for HDMI 1 is set to USB B and DP is set to ThunderboltTM 90 W ...

Страница 67: ... currently supports video and data transfer Ensure USB Selection for HDMI 1 is set to USB B NOTE As the ThunderboltTM 3 90 W port supports the DisplayPort Alternate Mode there is no need to set USB Selection for ThunderboltTM 90W NOTE When connecting to different video input sources not shown above follow the same method to make correct settings for USB Selection to pair the ports ...

Страница 68: ... UltraSharp 40 Monitor Menu Audio Personalize Others PIP PBP Mode Off 2 Ensure that Auto Select is On and Auto Select for ThunderboltTM is Yes Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others DP HDMI 1 HDMI 2 Auto Select Auto Select for Thunderbolt On Prompt for Multiple Inputs Rename Inputs Reset Input Source Thunderbolt 90W Thund...

Страница 69: ... Prompt for Multiple Inputs Rename Inputs Reset Input Source Thunderbolt 90W 3 Ensure that the USB ports and the video inputs are paired accordingly Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others DP assign to HDMI 1 assign to HDMI 2 assign to USB B USB B USB B NOTE For ThunderboltTM 90 W connection there is no further setting req...

Страница 70: ...o ensure proper Self Test operation remove all digital and the analog cables from the back of computer 3 Turn on the monitor The floating dialog box should appear on screen against a black background if the monitor cannot sense a video signal and is working correctly While in self test mode the power LED remains white Also depending upon the selected input one of the dialogs shown below will conti...

Страница 71: ... To run the built in diagnostics 1 Ensure that the screen is clean no dust particles on the surface of the screen 2 Press and hold Up or Down or Left or Right direction for four seconds until a menu appears on the screen 3 Using the joystick control highlight the Diagnostics option and press the joystick button to start the diagnostics A gray screen is displayed 4 Observe if the screen has any def...

Страница 72: ... or broken pins in the video cable connector Run the built in diagnostics Ensure that the correct input source is selected in the Input Source menu 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 pixelguideline...

Страница 73: ...ted properly and is secure Check for bent or broken pins in the video cable connector Wrong Color Picture color not good Change the settings of the Preset Modes in the Color menu OSD depending on the application Adjust R G B value under Custom Color in Color menu OSD Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD Run the built in diagnostics Image retention from a static im...

Страница 74: ...ing the mouse or pressing any key on the keyboard Check whether the signal cable is plugged in properly Connect the signal cable again if necessary Reset the computer or video player The picture does not fill the entire screen The picture cannot fill the height or width of the screen Due to different video formats aspect ratio of DVDs the monitor may display in full screen Run the built in diagnos...

Страница 75: ...phic Card Driver not able to support resolution 4096 x 2160 Switch to PBP 75 25 or 50 50 No Display or USB not working No Display or USB not working on Windows 7 Windows 7 not support Switch to Windows 10 Enter BIOS setup menu HDMI port Unable to goto BIOS setup menu unplug the HDMI cable or disconnect the monitor Black screen on PBP mode HDMI Switch to PBP 80 20 mode no displayed image HDMI when ...

Страница 76: ...iver has disabled 5K Mode Support from V7584 to 7916 Install Re install Intel Graphic driver after v 7925 or higher Monitor display image at 5120 x 2160 30Hz when connected to Intel Graphic Card via TBT port Not able to select 5120 x 2160 60 Hz Due to legacy Intel CPU bandwidth limitation Inte CPU 10th Ice Lake or Gen 11th Tiger Lake or later CPU DP 1 4 can support 5120 x 2160 60 Hz No image when ...

Страница 77: ...r laptop and so on Intermittent charging Check if the maximum power consumption of device is over 90 W Ensure that you use only Dell approved adapter or the adapter that comes with the product Ensure that the ThunderboltTM 4 USB Type C active cable is not damaged No image when using ThunderboltTM connection to the PC Black screen Verify which ThunderboltTM standard DP 1 2 or DP 1 4 is your Graphic...

Страница 78: ...ltTM 4 USB Type C active cable and power cord of the monitor Then power on the computer plug in the monitor power cord and ThunderboltTM 4 USB Type C active cable Universal Serial Bus USB specific problems Specific Symptoms What You Experience Possible Solutions USB interface is not working USB peripherals are not working Check that your display is turned ON Ensure USB Selection is set correctly i...

Страница 79: ...B 2 0 and USB 1 1 ports Ensure that the correct USB port is used Reconnect the upstream cable to your computer Reconnect the USB peripherals downstream connector Reboot the computer Wireless USB peripherals stop working when a USB 3 0 device is plugged in Wireless USB peripherals responding slowly or only working as the distance between itself and its receiver decreases Increase the distance betwe...

Страница 80: ...ort and service options Availability varies by country and product and some services may not be available in your area To get online Monitor support content See www dell com support monitors To contact Dell for sales technical support or customer service issues 1 Go to www dell com support 2 Verify your country or region in the Choose A Country Region drop down menu at the bottom right corner of t...

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