Dell U4323QE, User Manual

Page 1: ...Model U4323QE Regulatory model U4323QEt Dell UltraSharp 43 4K USB C Hub Monitor U4323QE User s Guide ...

Page 2: ...r 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 2022 09 Rev A00 ...

Page 3: ...sical characteristics 17 Environmental characteristics 18 Pin assignments 19 Plug and Play capability 26 LCD monitor quality and pixel policy 26 Maintenance guidelines 27 Cleaning your monitor 27 Setting up the monitor 28 Attaching the stand 28 Using the tilt swivel and vertical extension 30 Tilt swivel and vertical extension 30 Organizing your cables 31 Connecting your monitor 32 Dell Power Butto...

Page 4: ... main menu 49 Using the OSD lock function 66 Initial setup 69 OSD warning messages 70 Setting the maximum resolution 73 Troubleshooting 74 Self test 74 Built in diagnostics 76 Common problems 77 Product specific problems 79 Universal Serial Bus USB specific problems 82 Regulatory information 83 FCC notices U S Only and other regulatory information 83 Contacting Dell 83 EU product database for ener...

Page 5: ...e that your monitor is electrically rated 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 crystals of the display Connect the power cable from the monitor to a wall outlet that is near and accessible See Connecting your monitor Do not place and use the monitor on a wet surface or ...

Page 6: ...t Dell 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 Component image Component description Display Stand riser Stand base Power cable varies by country DisplayPort 1 8 M cable DisplayPort to DisplayPort USB C Gen 2 1 0 M cable A to C USB C Gen 2 PD 3 0 1 0 M cable ...

Page 7: ...et up with an elegant viewing experience Extensive digital connectivity with DP helps future proof your monitor Single USB C Power Delivery 90 W to compatible notebook while receiving video signal USB C 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...

Page 8: ...m the screen to make viewing more comfortable for your eyes The Monitor adopts Flicker Free technology which clears the eye visible flicker brings comfort viewing experience and prevents users from suffering eye strain and fatigue For Dell systems that support this feature Dell system that supports DPBS is listed in Dell website DPBS function can be enabled in OSD menu under Display WARNING The po...

Page 9: ...the monitor is in Standby Mode 2 Quick access USB Port 2 USB C data port Connect your USB device Port with icon supports 5 V 3 A 3 Quick access USB Port 3 USB A super speed 10Gps USB3 2 Gen 2 Connect your USB device Port with battery icon supports Battery Charging Rev 1 2 NOTE You can use this port only after you have connected the USB cable A to C or C to C to the USB C upstream port at the rear ...

Page 10: ... the monitor 4 Power 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 an unique alphanumeric identifier that enables Dell service technicians to identify the hardware co...

Page 11: ... cable 6 DisplayPort in 2 7 USB C 1 upstream port Video Data Connect to your computer using the USB C cable The USB C 1 upstream port offers the fastest transfer rate and the alternate mode with DP 1 4 supporting maximum resolution of 3840 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 C is not supported on Windows versions that are prior to Windows 10 8 Audio line out port Connec...

Page 12: ...port Data only 11 USB C 4 upstream port Data only 12 Super speed USB 10Gbps USB 3 2 Gen 2 3 Connect your USB device You can use these ports only after you have connected the USB cable A to C or C to C from the computer to the monitor 13 RJ45 connector Connect to Internet You can surf Internet via RJ45 only after you have connected the USB cable A to C or C to C from the computer to the monitor 14 ...

Page 13: ...l 529 416 mm 20 84 in Area 498 277 868 mm2 772 51 in 2 Pixel pitch 0 2451 mm x 0 2451 mm Pixel per inch PPI 103 6 Viewing angle Horizontal 178 typical Vertical 178 typical Brightness 350 cd m typical Contrast ratio 1000 to 1 typical Display screen coating Anti glare treatment of the front polarizer 3H hard coating Backlight LED Response Time Gray to Gray 5 ms Fast mode 8 ms Normal mode Color depth...

Page 14: ...12 99 mm 13 01 mm 18 10 mm Adjustability Height adjustable stand 60 mm Tilt 5 to 10 Swivel 20 to 20 Pivot NA 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 only under Custom Mode preset Not supporting the HDMI 2 1 optional specification including HDMI Ethernet Channel HEC Audio R...

Page 15: ...c polarity Horizontal Vertical VGA 720 x 400 31 47 70 00 28 32 VGA 640 x 480 31 47 60 00 25 18 VESA 640 x 480 37 50 75 00 31 50 VESA 800 x 600 37 88 60 00 40 00 VESA 800 x 600 46 88 75 00 49 50 VESA 1024 x 768 48 36 60 00 65 00 VESA 1024 x 768 60 02 75 00 78 75 MAC 1152 x 864 67 50 75 00 108 00 CVT 1280 x 800 49 70 60 00 83 50 VESA 1280 x 1024 64 00 60 00 108 00 VESA 1280 x 1024 80 00 75 00 135 00...

Page 16: ...s defined in Energy Star 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 informat...

Page 17: ...C USB 3 2 Gen 2 10 Gbps 15W downstream connector Signal cable type DP to DP 1 8 M cable Premium High Speed HDMI 1 8 M cable USB 3 2 Gen 2 C to C 1 0 M cable Dimensions with stand Height extended 655 20 mm 25 80 in Height compressed 595 20 mm 23 43 in Width 967 21 mm 38 08 in Depth 256 40 mm 10 09 in Dimensions without stand Height 560 50 mm 22 07 in Width 967 21 mm 38 08 in Depth 64 08 mm 2 52 in ...

Page 18: ...ble EPEAT registration varies by country See https www epeat net for registration status by country 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 80 non condensing Non opera...

Page 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 ...

Page 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 ...

Page 21: ...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 ...

Page 22: ...ce is 5V 3A compatible NOTE The monitor s USB ports work only when the monitor is on or in Standby Mode If the USB cable A to C or C to C is plugged in the USB ports work normally Otherwise follow the OSD setting of Other USB Charging if the setting is On in Standby Mode then USB ports work normally otherwise USB is disabled If you turn off the monitor and then turn it on the attached peripherals ...

Page 23: ... 8 9 USB 3 2 Gen 2 10Gbps downstream port Rear 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 StdA_SSRX 5 StdA_SSRX 6 StdA_SSRX 6 StdA_SSRX 7 GND_DRAIN 7 GND_DRAIN 8 StdA_SSTX 8 StdA_SSTX 9 StdA_SSTX 9 StdA_SSTX Shell Shield Shell Shield ...

Page 24: ...US 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 RJ45 Port Connector Side PHY SIDE CABLE SIDE RJ45 GREEN GREEN ORANGE SHIELD GROUND 2kV 1000pF Pin Signal Pin Signal 1 TD1 8 TD3 2 TD1 9 TD4 3 TD2 10 TD4 4 TD2 11 GREEN_ORANGE 5 CT 12 GREEN_ORANGE 6 CT 13 GREEN 7 TD3 14 GREEN ...

Page 25: ... S5 and UEFI PXE Boot function UEFI PXE Boot is not supported on Dell Desktop PC s except for OptiPlex 7090 3090 Ultra Desktop These 3 features depend on BIOS settings and version of the operating system Functionality may vary with Non Dell PC s UEFI stands for Unified Extensible Firmware Interface RJ45 Connector LED Status Left LED Right LED LED Color Description Right LED Amber or Green Speed in...

Page 26: ...itor settings Most monitor installations are automatic you can select different settings as required For more information about changing the monitor settings see Operating the monitor LCD monitor quality and pixel policy During the LCD monitor manufacturing process it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display q...

Page 27: ...ay cause changes in the appearance of the monitor such as color fading milky film on the monitor deformation uneven dark shade and peeling of screen area WARNING Do not spray the cleaning solution or even water directly on the surface of the monitor Doing so will allow liquids to accumulate at the bottom of the display panel and corrode the electronics resulting in permanent damage Instead apply t...

Page 28: ...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 Align the stand base protruded blocks to the matching slot on the stand 2 Insert the stand base blocks fully into the stand slot 3 Lift the screw handle and turn the screw clockwise 4 After fully tightening the screw fold the screw hand...

Page 29: ...Place the monitor with its front facing downward on it Lift the cover to expose the VESA area for stand assembly 2 Insert the two tabs on the upper part of the stand to the groove on the back of the monitor 3 Press the stand down till it snaps into its place ...

Page 30: ...our 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 5 20 20 60 mm 10 NOTE The stand is not installed at the factory when shipped ...

Page 31: ...cessary 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 computer you may connect directly to the com puter without routing through the slot on the monitor stand ...

Page 32: ...ter at the same time NOTE The images are for the purpose of illustration only The appearance of the computer may vary To connect your monitor to the computer 1 Turn off your computer 2 Connect the DisplayPort or HDMI 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 N...

Page 33: ...or 33 Connecting the DP Cable 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 NOTE Remove the rubber plug when using USB C connector ...

Page 34: ...90 W NOTE Regardless of the power requirement actual power consumption of your laptop or the remaining power runtime in your battery Dell U4323QE monitor is designed to supply power delivery of up to 90 W to your laptop Rated power on laptops that have USB C with Power Delivery 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 ...

Page 35: ...patible with Dell platforms that support DPBS and is only supported over USB C interface USB C USB C To make sure the DPBS function works for the first time you should do the following steps for Dell platforms that support DPBS in the Control Panel NOTE DPBS only supports the port with icon NOTE DPBS is defaulted to OFF to enable please navigate to Dell Power Button Sync sub menu under Display in ...

Page 36: ... 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 ...

Page 37: ...Setting up the monitor 37 NOTE Do not select Do nothing otherwise monitor power button cannot sync with PC system power state ...

Page 38: ...rily Wait for a while approximately 6 seconds and both the PC and monitor will turn OFF 6 Press either the monitor power button or PC power button both the PC and monitor will turn ON The PC system power state is in sync with the monitor power button NOTE When the monitor and PC are both at power OFF state at first time it is recommended that you turn ON the monitor first then connect the USB C ca...

Page 39: ... monitor Upon USB C cable connection mouse movement or keyboard press might be required to wake the system monitor up from sleep or hibernate Initial monitor power state ON or Standby Initial monitor power state ON or Standby When you press the monitor power button or PC power button the Monitor PC state is as follows USB C Initial monitor power state OFF Initial monitor power state ON New Power s...

Page 40: ...n monitor power button the screen prompt will ask if you would like to shut down the PC Press and hold 4s USB C 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 PC will shut down Press and hold 10s USB C ...

Page 41: ...ON power state by pressing the power button on Monitor 1 or Monitor 2 will turn OFF the PC Monitor 1 and Monitor 2 Ensure to check the Dell PC for DBPS supportability NOTE DPBS only supports the port with icon Monitor 1 System power state ON USB C port 1 Monitor 2 USB C port 2 USB C USB C System power state OFF Pressing power button on Monitor 1 or 2 Monitor 1 Monitor 2 USB C port 1 USB C port 2 U...

Page 42: ...itially OFF power state by pressing the power button on Monitor 1 or Monitor 2 will turn ON the PC Monitor1 and Monitor 2 Monitor 1 Monitor 2 USB C port 1 USB C port 2 System power state OFF USB C USB C Pressing power button on Monitor 1 or 2 Monitor 1 Monitor 2 USB C port 1 USB C port 2 System power state ON USB C USB C ...

Page 43: ...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 ...

Page 44: ...a stable flat table 2 Remove the stand For more information 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 For more information see the documentation that is shipped with the wall mounting kit NOTE For use only with UL o...

Page 45: ...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 launch the OSD Menu Launcher 2 Move the joystick up down center left right to toggle between the OSD menu options ...

Page 46: ...her 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 ...

Page 47: ...ion USB switch Shortcut key 1 Select to switch between the USB upstream sources in PBP mode Input Source Shortcut key 2 Sets the Input Source Preset Modes Shortcut key 3 Allows to choose from a list of Preset color modes Brightness Contrast Shortcut key 4 To directly access the Brightness Contrast adjustment sliders PIP PBP Mode Shortcut key 5 Use this button to choose from a list of PIP PBP Exit ...

Page 48: ...e image settings Front panel 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 ...

Page 49: ... 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 Move the joystick Up to increase contrast and move the joystick Down to decrease contrast Range 0 100 The Contrast function adjusts the degree of...

Page 50: ...k button to confirm the selection DP 2 Select DP 2 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 HDMI 2 input when you are using the HDMI connector Press the joystick button to confirm the selection Auto...

Page 51: ...ast Exit UltraSharp 43 Monitor Menu Audio Personalize Others Preset Modes When you select Preset Modes you can choose Standard Color Temp or Custom Color from the list Input Color Format Reset Color Preset Modes Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Monitor Menu Audio Personalize Others Standard Color Temp Custom Color Standard Default Color setting This mon...

Page 52: ...reate 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 YCbCr Select this option if your media player supports only YCbCr output Input Color Format Reset Color Preset Modes Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Mo...

Page 53: ...look sharper or softer Move the joystick up and down to adjust the sharpness from 0 to 100 Response Time Allows you to set the Response Time to Normal or Fast USB C Prioritization Allows you to specify the priority to transfer the data with high resolution High Resolution or high speed High Data Speed when using the USB C port DisplayPort Dell Power Button Sync To allow you to control PC system po...

Page 54: ...ource Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Monitor Menu Audio Personalize Others Screen Partition DP USB C Off PIP PBP Mode Off Main Window Sub Window USB C DP 1 DP 2 HDMI 1 HDIM 2 USB C DP 1 DP 2 HDMI 1 HDMI 2 NOTE The images under PBP will be displayed at the center of the screen not full screen ...

Page 55: ...IP PBP Mode Adjusts the PIP or PBP Picture by Picture mode You can disable this feature by selecting Off Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Monitor Menu Audio Personalize Others Screen Partition DP USB C PIP PBP Mode Off ...

Page 56: ...en USB C 1 port is used as upstream port and Screen Partition is enabled USB C prioritization will be grayed out Data and network speeds through USB C 1 will be reduced To have optimal front of screen data and network speeds when enabling Screen Partition it is recommended to use DisplayPort as video input and USB C data only as up stream port If the capability and bandwidth of your system s graph...

Page 57: ...90W PIP PBP Mode Window1 Source DP 1 DP 2 HDMI 1 HDMI 2 Window2 Source Window4 Source Window3 Source USB Switch Video Swap PIP PBP Sub Window1 Source Select Window 1 source Window2 Source Select Window 2 source Window3 Source Select Window 3 source Window4 Source Select Window 4 source USB Switch Select to switch between the USB upstream sources in PBP mode Move the joystick to switch among USB up...

Page 58: ...ve Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Monitor Menu Audio Personalize Others DP 2 assign to DP 1 assign to HDMI 1 assign to HDMI 2 assign to Show KVM Setup Guide Select USB C 2 USB C 2 USB C 2 USB C 2 NOTE To prevent data damage or loss before changing USB upstream ports make sure that no USB storage devices are in use by the computer connected to the moni...

Page 59: ...Speaker Reset Audio On Audio Source Window1 50 Volume Allows you to set the volume level of headphone output Use the joystick to adjust the volume level from 0 to 100 Audio source Allows you to set the audio source from the main Window 1 Window 2 Window 3 or Window 4 Speaker Select On or Off the Speaker function Reset Audio Resets all settings under the Audio menu to the factory defaults ...

Page 60: ...nalize 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 transparency by moving the joystick up or down Range 0 100 Timer OSD Hold Time Sets the length of time the OSD remains acti...

Page 61: ...ons 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 seconds Reset Menu Resets all settings under the Reset Menu to the factory defaults Press to select this function Personalize Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Monitor Menu Audio Pers...

Page 62: ...USB C Charging 90W charging function during monitor power off mode NOTE When this function is enabled you will be able to charge your notebook or mobile devices through the USB C cable even when the monitor is powered Off Other USB Charging Allows you to enable or disable Other USB Charging function during monitor Standby Mode NOTE When this function is enabled you will be able to charge your mobi...

Page 63: ...rmware Reset Others Factory Reset Service Tag Off 12T105 CN073K0 ENERGY STAR DDC CI On Off Display Info Select Self Diagnostics Select HDMI CEC Allows you to On or Off HDMI CEC function You can enable this feature by selecting On Display Info Displays the monitor s current settings Press to select this function UltraSharp 43 Monitor Input Source Resolution Input Capability HDMI 1 1080p 24 bit USB ...

Page 64: ... 43 Monitor Menu Audio Personalize Others HDMI CEC LCD Conditioning Firmware Reset Others Factory Reset Service Tag DDC CI Off Display Info Self Diagnostics On 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 Display PIP PBP Input Source Color USB Brightness Cont...

Page 65: ...the built in diagnostics see Built in diagnostics Reset Others Resets all settings under the Others menu to the factory defaults Press to select this function Factory Reset Restores all preset values to the factory default settings These are also the settings for ENERGY STAR tests Display PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Monitor Menu Audio Personalize Others HD...

Page 66: ...lay PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 43 Monitor Menu Audio Personalize Others Language Transparency Timer Reset Menu Lock Menu Buttons Menu Power Buttons Disable Power Button 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 2 Select Yes to lock buttons Once locked pressing any contro...

Page 67: ...ect Option Select one of the following options Options 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 ...

Page 68: ...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 ...

Page 69: ...s Yes No When you select Yes to reset to default settings the following message will appear UltraSharp 43 Monitor Select Yes to enable the following function s Always on USB C Charging Other USB Charging When Yes is selected power consumption will increase When No is selected It will comply with ENERGY STAR requirements Individual settings can be changed in the Menu Yes No ...

Page 70: ...le by this monitor Recommended mode is 3840 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 monitor to ga...

Page 71: ...er consumption Do you want to continue Yes No If adjust 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 m...

Page 72: ...4 minutes www dell com U4323QE or No DP 2 Cable The display will go into Standby Mode in 4 minutes www dell com U4323QE or No HDMI 1 Cable The display will go into Standby Mode in 4 minutes www dell com U4323QE or No HDMI 2 Cable The display will go into Standby Mode in 4 minutes www dell com U4323QE or No USB C Cable The display will go into Standby Mode in 4 minutes www dell com U4323QE For more...

Page 73: ...p and click Display settings 2 If you have more than one monitor connected ensure to select U4323QE 3 Click the Display Resolution dropdown list and select 3840 x 2160 4 Click Keep changes If you do not see 3840 x 2160 as an option you must update your graphics driver to the latest version Depending on your computer complete one of the following procedures If you have a Dell desktop or laptop Go t...

Page 74: ...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...

Page 75: ...ell com U4323QE 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 ...

Page 76: ...that the screen is clean no dust particles on the surface of the screen 2 Select OSD items of Self Diagnostics in Others feature 3 Press the joystick button to start the diagnostics A gray screen is displayed 4 Observe if the screen has any defects or abnormalities 5 Toggle the joystick once again until a red screen is displayed 6 Observe if the screen has any defects or abnormalities 7 Repeat ste...

Page 77: ...oken 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 https www dell com pixelguideline...

Page 78: ...e computer is connected properly and is secure Check for bent or broken pins in the video cable connector Wrong Color Picture color not good Try different Preset Modes in Color settings OSD Adjust R G B value under Custom Color in Color menu OSD Change the Input Color Format to RGB or YCbCr in the Color settings OSD Run the built in diagnostics Image retention from a static image left on the monit...

Page 79: ...ving mode by moving 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 ...

Page 80: ... power adaptor it may not charge with the USB C connection Ensure that you use only Dell approved adapter or the adapter that comes with the product Ensure that the USB C cable is not damaged Intermittent charging when using USB C connection to computer 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 adapte...

Page 81: ...indows 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 Check the status LED of the Ethernet cable to confirm connectivity Re connect both ends of the Ethernet cable if the LED is not lit First power off the Computer and unplug the Type C cable and p...

Page 82: ...herals 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 r...

Page 83: ...try NOTE If you do not have an active Internet connection you can find contact information on your purchase invoice packing slip bill or Dell product catalog Dell provides several online and telephone based support and service options Availability varies by country and product and some services may not be available in your area To get online monitor support content see https www dell com support m...