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Dell UltraSharp U3421WE, User Manual

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Dell UltraSharp U3421WE User Manual Download Page 41

Operating the monitor 

│

  41

Input Source

Use the 

Input Source

 menu to select between the 

different video signals that may be connected to your 
monitor.

USB-C 

 90W

Select the 

USB-C 

 90W

 input when you are using 

the USB Type-C connector. Press the 

Joystick

 to 

confirm the selection.

DP

Select the 

DP

 input when you are using the 

DisplayPort (DP) connector. Press the 

Joystick

 to 

confirm the selection.

HDMI 1

Select the 

HDMI 1

 input when you are using the 

HDMI 1 connector. Press the 

Joystick

 to confirm the 

selection.

HDMI 2

Select the 

HDMI 2

 input when you are using the 

HDMI 2 connector. Press the 

Joystick

 to confirm 

the selection.

Auto Select

Turning on the function allows you to scan for 
available input sources. 

Summary of Contents for UltraSharp U3421WE

Page 1: ...Dell UltraSharp 34 Curved USB C Hub Monitor U3421WE User s Guide Model U3421WE Regulatory model U3421WEb ...

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 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 ...

Page 3: ...15 Preset display modes 15 Electrical specifications 16 Physical characteristics 17 Environmental characteristics 18 Pin assignments 19 Plug and play capability 21 Universal Serial Bus USB interface 21 USB 3 2 upstream connector 22 USB 3 2 downstream connector 22 USB Type C connector 23 USB ports 23 RJ45 connector 24 Support OS 25 LCD monitor quality and pixel policy 25 Maintenance guidelines 25 C...

Page 4: ...34 Organizing your cables 34 Removing the monitor stand 35 VESA wall mounting optional 35 Operating the monitor 37 Power on the monitor 37 Using the Joystick Control 37 Using the On Screen Display OSD menu 39 Accessing the menu system 39 OSD warning message 57 Setting the maximum resolution 61 Setting the KVM switch 62 Setting the Auto KVM 64 Using the tilt swivel vertical extension and slant adju...

Page 5: ...roduct specific problems 76 Universal Serial Bus USB specific problems 77 Speakers Specific Problems 79 Appendix 80 FCC notices U S only and other regulatory information 80 Contact Dell 80 EU product database for energy label and product information sheet 80 ...

Page 6: ...t Dell technical support For more information see Contact Dell NOTE Some items may be optional and may not ship with your monitor Some features may not be available in certain countries NOTE If you are attaching a stand that you purchased from any other source follow the set up instructions that were included with the stand Display Stand riser Stand base ...

Page 7: ... country DisplayPort cable DP to DP HDMI cable USB Type C cable Super speed USB 5 Gbps USB 3 2 Gen1 Upstream Cable Enables the USB Ports on the Monitor Quick Setup Guide Factory calibration report Safety Environmental and Regulatory Information ...

Page 8: ...ith an elegant viewing experience Removable stand and Video Electronics Standards Association VESA 100 mm mounting holes for flexible mounting solutions Equipped with 1 USB Type C upstream port 1 USB Type C downstream port 1 super speed USB 5 Gbps USB 3 2 Gen1 Type B upstream port 1 super speed USB 5 Gbps USB 3 2 Gen1 Type A downstream charging port and 3 super speed USB 5 Gbps USB 3 2 Gen1 Type A...

Page 9: ...e fatigue digital eye strain and so on ComfortView feature is designed to reduce the amount of blue light emitted from the monitor to optimize eye comfort Identifying parts and controls Front view Label Description Use 1 Power LED indicator Solid white light indicates that the monitor is turned on and functioning normally Blinking white light indicates that the monitor is in Standby Mode ...

Page 10: ...ory label Lists the regulatory approvals 3 Stand release button Releases stand from the monitor 4 Barcode serial number and Service Tag label Refer to this label if you need to contact Dell for technical support 5 Power On Off button To turn the monitor on or off 6 Joystick Use to control the OSD menu For more Information see Operating the monitor 7 Cable management slot Use to organize cables by ...

Page 11: ...r with security lock security lock not included 2 Power connector Connect the power cable shipped with your monitor 3 HDMI port 2 Connect your computer with the HDMI cable 4 Stand lock feature To lock the stand to the monitor using a M3 x 6 mm screw screw not included 5 DisplayPort Connect your computer with the DisplayPort cable ...

Page 12: ...the USB cable that came with your monitor to the computer Once this cable is connected you can use the USB connectors on the monitor 9 Super speed USB 5 Gbps USB 3 2 Gen1 Type A downstream port 3 Connect your USB device NOTE To use this port you must connect the USB Type C cable or USB Upstream Cable shipped with your monitor to the USB Type C upstream port or the USB Type B upstream port on the m...

Page 13: ...our monitor to the USB Type C upstream port or the USB Type B upstream port on the monitor and to your computer Model U3421WE Screen type Active matrix TFT LCD Panel technology In Plane Switching Technology Aspect ratio 21 9 Viewable image Diagonal Width active area Height active area Total area 867 2 mm 34 14 in 799 8 mm 31 49 in 334 8 mm 13 18 in 267773 04 mm2 415 04 in 2 Pixel pitch 0 2325 mm x...

Page 14: ...arging capability at 15 W maximum 1 x super speed USB 5 Gbps USB 3 2 Gen1 Type B upstream port 1 x super speed USB 5 Gbps USB 3 2 Gen1 with BC1 2 charging capability at 2 A maximum 3 x super speed USB 5 Gbps USB 3 2 Gen1 downstream port 1 x audio line out port 1 x RJ45 port Border width edge of monitor to active area 10 4 mm Top 9 7 mm Left Right 13 9 mm Bottom Adjustability Height adjustable stan...

Page 15: ...DMI DisplayPort USB Type C alternate mode 480p 480i 576p 576i 720p 1080p 1080i Preset display modes Model U3421WE Model U3421WE Display mode Horizontal frequency kHz Vertical frequency Hz Pixel clock MHz Sync polarity Horizontal Vertical VESA 640 x 480 31 5 59 9 25 2 VESA 640 x 480 37 5 75 5 31 5 VESA 720 x 400 31 5 70 1 28 3 VESA 800 x 600 37 9 60 3 40 0 VESA 800 x 600 46 9 75 0 49 5 VESA 1024 x ...

Page 16: ... TEC 3 Not supporting the HDMI 2 0 optional specification including HDMI Ethernet Channel HEC Audio Return Channel ARC standard for 3D format and resolutions and standard for 4K digital cinema resolution HBR3 DisplayPort 1 4 DP audio is supported 1 As defined in EU 2019 2021 and EU 2019 2013 2 Max brightness and contrast setting with maximum power loading on all USB ports 3 Pon Power consumption o...

Page 17: ...D menu Changing the factory default settings or enabling other features may increase power consumption that could exceed the ENERGY STAR specified limit Model U3421WE Signal cable type Digital DisplayPort 20 pins Digital HDMI 19 pins Universal Series Bus Type C 24 pins NOTE Dell monitors are designed to work optimally with the video cables that are shipped with your monitor As Dell does not have c...

Page 18: ...stand assembly For wall mount or VESA mount considerations no cables 7 52 kg 16 57 lb Weight of stand assembly 3 63 kg 8 00 lb Model U3421WE Compliant standards ENERGY STAR certified monitor EPEAT registered where applicable EPEAT registration varies by country See www epeat net for registration status by country RoHS compliant TCO certified displays BFR PVC free monitor excluding external cables ...

Page 19: ...nsing Shipping 5 to 90 non condensing Altitude Operating 5000 m 16404 ft maximum Non operating 12192 m 40000 ft maximum Thermal dissipation 716 5 BTU hour maximum 122 8 BTU hour typical 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 GND 14 GND ...

Page 20: ...9 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 on device 15 DDC CLOCK SCL 16 DDC DATA SDA 17 DDC CEC Ground ...

Page 21: ... the monitor settings see Operating the monitor Universal Serial Bus USB interface This section gives you information about the USB ports that are available on the monitor Transfer speed Data rate Maximum power supported Super Speed 5 Gbps 4 5 W High speed 480 Mbps 4 5 W Full speed 12 Mbps 4 5 W NOTE This monitor is super speed USB 5 Gbps USB 3 2 Gen1 compatible Up to 2 A on USB downstream port wi...

Page 22: ...B 3 2 upstream connector Pin number 1 VCC 2 D 3 D 4 GND 5 SSTX 6 SSTX 7 GND 8 SSRX 9 SSRX USB 3 2 downstream connector 9 pin side of the connector Pin number 9 pin side of the connector 1 VCC 2 D 3 D 4 GND 5 SSRX 6 SSRX 7 GND ...

Page 23: ...n1 Type A downstream bottom Power Charging Port the port with battery icon supports up to 2 A fast charging capability if the device is BC1 2 compatible NOTE Super speed USB 5 Gbps USB 3 2 Gen1 functionality requires a super speed USB 5 Gbps USB 3 2 Gen1 capable computer 8 SSTX 9 SSTX A1 GND B1 GND A2 TX1 B2 TX2 A3 TX1 B3 TX2 A4 VBUS B4 VBUS A5 CC1 B5 CC2 A6 D B6 D A7 D B7 D A8 SBU1 B8 SBU2 A9 VBU...

Page 24: ...f you turn Off the monitor and then turn it On the attached peripherals may take a few seconds to resume normal functionality RJ45 connector Pin number 14 pin side of the connected signal cable P1 MDI0 P2 MDI0 P3 MDI1 P4 MDI1 P5 CT P6 CT P7 MDI2 P8 MDI2 P9 MDI3 P10 MDI3 Pin number Green Orange P11 P12 P13 N A P14 N A ...

Page 25: ...anufacturing process it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability For more information on Dell Monitor Quality and Pixel Policy see http www dell com pixelguidelines Maintenance guidelines Cleaning your monitor CAUTION Read and follow the Safety instructions before cleaning the monitor WARN...

Page 26: ...tor If you notice white powder when you unpack your monitor wipe it off with a cloth Handle your monitor with care as a darker colored monitor may get scratched and show white scuff marks more than a lighter colored monitor To help maintain the best image quality on your monitor use a dynamically changing screen saver and turn off your monitor when not in use ...

Page 27: ...hased from any other source follow the set up instructions that were included with the stand To attach the monitor stand 1 Follow the instructions on the flaps of carton to remove the stand from the top cushion that secures it 2 Remove the stand riser and stand base from the packaging cushion 3 Insert the stand base blocks fully into the stand slot 4 Lift the screw handle and turn the screw clockw...

Page 28: ...cover as shown to access the VESA area for stand assembly 7 Attach the stand assembly to the monitor a Fit the two tabs on the upper part of the stand to the groove on the back of the monitor b Press the stand down till it snaps into place ...

Page 29: ...Setting up the monitor 29 8 Place the monitor upright NOTE Lift the monitor carefully to prevent it from slipping or falling 9 Remove the cover from the monitor ...

Page 30: ...cs are used for the purpose of illustration only Appearance of the computer may vary To connect your monitor to the computer 1 Turn Off your computer and disconnect the power cable 2 Connect the DisplayPort HDMI or USB Type C cable from your monitor to the computer Connecting the DisplayPort DisplayPort to DisplayPort cable NOTE The default out of factory setting is DP1 4 DP1 2 is supported If the...

Page 31: ...teps to change the DisplayPort format settings if necessary Connecting the HDMI cable NOTE The default out of factory setting is HDMI 2 0 If the monitor fails to show any content after the HDMI cable is connected follow the procedures below to change the settings from HDMI 2 0 to HDMI 1 4 Press the Joystick to activate the OSD menu Toggle the Joystick to highlight Input Source then press the Joyst...

Page 32: ...ange the HDMI format settings if necessary Connecting the USB Type C cable NOTE Use the USB Type C cable shipped with monitor only This port supports DisplayPort Alternate Mode DP1 4 standard only The USB Type C power delivery compliant port PD Version 3 0 delivers up to 90 W of power If your notebook requires more than 90 W to operate and the battery is drained it may not be powered up or charged...

Page 33: ...nd complete your monitor setup 1 a Connect one computer connect the USB 3 2 Gen1 upstream port cable supplied to an appropriate USB 3 2 Gen1 port on your computer b Connect two computers connect the USB 3 2 Gen1 upstream port cable supplied and USB Type C upstream port cable supplied to appropriate USB ports on the two computers Then use the OSD menu to select between the USB upstream source and i...

Page 34: ...onitor and the computer s If your monitor displays an image installation is complete If it does not display an image see Common problems 5 Use the cable slot on the monitor stand to organize the cables Connecting the monitor for RJ45 Cable Optional NOTE RJ45 cable is non in box standard accessory Organizing your cables After attaching all necessary cables to your monitor and computer See Connectin...

Page 35: ...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 VESA wall mounting optional Screw dimension M4 x 10 mm Refer to the instructions that come with the VESA compatible wall mounting kit 1 Pla...

Page 36: ...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 shipped with the wall mounting kit NOTE For use only with UL or CSA or GS listed wall mount bracket with minimum weight or load bearing capacity of 30 08 kg ...

Page 37: ... the monitor Using the Joystick Control Use the Joystick control on the rear of the monitor to make OSD adjustments 1 Press the Joystick button to launch the OSD main menu 2 Move the Joystick up down left right to toggle between options 3 Press the Joystick button again to confirm the settings and exit ...

Page 38: ...eft to exit from the submenu For 2 way up and down directional navigation Toggles between the menu items Increases up or decreases down the parameters of selected menu item 38 Operating the monitor When you press the Joystick button the OSD Status Bar appears to let you know the current settings of some OSD functions The following table describes the Menu Launcher functions Menu Launcher Icon Desc...

Page 39: ...it for the OSD menu to disappear 2 Shortcut key Brightness Contrast Select this icon to adjust the brightness and contrast level 3 Shortcut key PIP PBP Select this icon to set PIP PBP 4 Shortcut key USB Switch Select this icon to switch between the USB upstream sources in PIP PBP mode 5 Shortcut key Input Source Select this icon to set the Input Source 6 Menu Select this icon to launch the On Scre...

Page 40: ... increase the brightness and toggle the Joystick down to decrease the brightness min 0 max 100 Contrast Adjusts the Brightness first and then adjust the Contrast only if further adjustment is necessary Toggle the Joystick up to increase the contrast and toggle the Joystick down to decrease the contrast min 0 max 100 The Contrast function adjusts the degree of difference between darkness and lightn...

Page 41: ...o confirm the selection DP Select the DP input when you are using the DisplayPort DP connector Press the Joystick to confirm the selection HDMI 1 Select the HDMI 1 input when you are using the HDMI 1 connector Press the Joystick to confirm the selection HDMI 2 Select the HDMI 2 input when you are using the HDMI 2 connector Press the Joystick to confirm the selection Auto Select Turning on the func...

Page 42: ...ideo input when the USB Type C cable is connected NOTE Auto Select for USB C 90W is available only when Auto Select is on Rename Inputs Allows you to select the input name for the selected input source The options are PC PC 1 PC 2 Laptop Laptop 1 and Laptop 2 NOTE For Input with USB C Charging the wattage value shall remain after renaming e g PC 1 90W NOTE Input names in warning messages KVM and D...

Page 43: ... cause personal injury such as digital eye strain eye fatigue and damage to the eyes Using monitor for extended periods of time may also cause pain in parts of body such as neck arm back and shoulder To reduce the risk of eye strain and neck arm back shoulder pain from using the monitor for long periods of time we suggest you to 1 Set the distance of the screen between 20 to 28 in 50 70 cm from yo...

Page 44: ...000K 5700K 6500K 7500K 9300K and 10000K Press the Joystick to confirm the selection Color Space Allows you to set the color space to sRGB matches 99 sRGB DCI P3 reproduces 95 of DCI P3 digital cinema color standard NOTE When you select DCI P3 as the color space the luminance of the backlight defaults to 48 cd m2 typical You can manually adjust the luminance of the backlight by using the Brightness...

Page 45: ... shift the color of the video image to green or purple This is used to adjust the desired flesh tone color Toggle the Joystick up or down to adjust the hue from 0 to 100 NOTE Hue adjustment is available only when you select Movie or Game preset mode Saturation This feature can adjust the color saturation of the video image Toggle the Joystick up or down to adjust the saturation from 0 to 100 NOTE ...

Page 46: ... compensation settings On is factory calibrated setting by default Uniformity Compensation adjusts different areas of the screen with respect to the center to achieve uniform brightness and color over the entire screen For optimal screen performance Brightness and Contrast for some preset modes Standard Color Temp will be disabled when Uniformity Compensation is turned On NOTE User is advised to u...

Page 47: ...ation 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 Type C port DisplayPort Reset Display Resets all display settings to the factory preset values ...

Page 48: ...nction brings up a window displaying image from another input source X X X X X X X X Sub Window Main Window USB C DP USB C DP HDMI 1 HDMI 1 HDMI 2 HDMI 2 NOTE The images under PBP will be displayed at the center of the screen not full screen ...

Page 49: ...nt 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 PIP PBP mode Video Swap Select to swap videos between main window and sub window in PIP PBP mode Audio Allows you to set the audio source between the Main window and the Sub window Contrast Sub Adjust the contrast level of the picture in PIP PBP Mode Tog...

Page 50: ... the current input signals when you connect a computer to either one of the upstream ports See also Setting the KVM switch for details When you use only one upstream port the connected upstream port is active 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 monitor s USB downstream port ...

Page 51: ...lows you to set the volume level of speakers Toggle the Joystick up or down to adjust the volume level from 0 to 100 Speaker Allows you to enable or disable the speaker function Reset Audio Select this option to restore default audio settings ...

Page 52: ...e eight languages English Spanish French German Brazilian Portuguese Russian Simplified Chinese or Japanese Transparency Select this option to change the menu transparency by toggling the Joystick up or down min 0 max 100 Timer Sets the length of time the OSD will remain active after the last time you pressed a button Toggle the Joystick up or down to adjust the slider in 1 second increments from ...

Page 53: ...wer Button is locked and not accessible by the user Menu Power Buttons Both the Joystick the Power Button are locked and not accessible by the user The default setting is Disable Alternative Lock Method for Menu function buttons You can also press and hold the Joystick to the up or down or left or right for 4 seconds to set the lock options NOTE To unlock the button s press and hold the Joystick t...

Page 54: ... you to enable or disable the Always On USB Type C Charging function during monitor Off mode Other USB Charging Allows you to enable or disable USB Type A and USB Type C Downstream Ports charging function during monitor standby mode NOTE This option is only available when the USB Type C Upstream Port cable is unplugged If the USB Type C cable is connected Other USB Charging follows the USB host po...

Page 55: ...splays 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 ...

Page 56: ...to run You can enable this feature by selecting On Firmware Displays the firmware version of your monitor Service Tag Displays the service tag of your monitor This string is required when you look for phone support check your warranty status update drivers on Dell s website etc Reset Others Resets all settings under the Others menu to the factory preset values ...

Page 57: ...th the signal that it is receiving from the computer See Monitor specifications for the Horizontal and Vertical frequency ranges addressable by this monitor Recommended mode is 3440 x 1440 NOTE The message may be slightly different according to the connected input signal Factory Reset Restore all preset values to the factory default settings These are also the settings for ENERGY STAR tests ...

Page 58: ...first time the following message appears NOTE If Yes is selected the message will not appear next time when you intend to change the Brightness setting When you change the default setting of power saving features for the first time such as Uniformity Compensation USB C Charging 90W Other USB Charging or Fast Wakeup the following message appears ...

Page 59: ... is activated NOTE The message may be slightly different according to the selected settings When the monitor goes into Standby mode the following message appears Activate the computer and wake up the monitor to gain access to the OSD NOTE The message may be slightly different according to the connected input signal The OSD functions only in the normal operation mode If you press any button other t...

Page 60: ...ted and the corresponding cable is not connected a floating dialog box as shown below appears NOTE The message may be slightly different according to the connected input signal When the monitor is under DP HDMI input and a USB Type C cable is connected to a notebook that supports DP Alternate Mode if Auto Select for USB C 90W is enabled the following message appears When Factory Reset is selected ...

Page 61: ...2 Right click on the desktop and click Screen Resolution 3 Click the dropdown list of the Screen Resolution and select 3440 x 1440 4 Click OK In Windows 10 1 Right click on the desktop and click Display settings 2 Click Advanced display settings 3 Click the dropdown list of Resolution and select 3440 x 1440 4 Click Apply If you do not see 3440 x 1440 as an option you may need to update your graphi...

Page 62: ... graphic drivers Go to your graphics card website and download the latest graphic drivers Setting the KVM switch The built in KVM switch allows you to control up to 2 computers from a single set of keyboard and mouse connected to the monitor a When connecting HDMI USB B to computer 1 and DP USB C to computer 2 NOTE The USB Type C connection currently supports only data transfer Make sure USB for H...

Page 63: ...perating the monitor 63 b When connecting HDMI USB B to computer 1 and USB C to computer 2 NOTE The USB C connection currently supports video and data transfer Make sure USB for HDMI is assigned to USB B ...

Page 64: ... is no need to set USB for USB C NOTE When connecting to different video input sources not shown above follow the same method to make correct settings for USB to pair the ports Setting the Auto KVM You can follow below instruction to set up Auto KVM for your monitor 1 Ensure that PIP PBP Mode is Off ...

Page 65: ...Operating the monitor 65 2 Ensure that Auto Select is On and Auto Select for USB C 90W is Yes 3 Ensure that the USB ports and the video inputs are paired accordingly ...

Page 66: ...g the tilt swivel vertical extension and slant adjust NOTE The following instructions are applicable only for attaching the stand that was shipped with your monitor If you are attaching a stand that you purchased from any other source follow the set up instructions that were included with the stand ...

Page 67: ...onitor you can tilt and swivel the monitor for the most comfortable viewing angle NOTE The stand is not installed at the factory when shipped Vertical extension NOTE The stand extends vertically up to 150 mm The figure below illustrates how to extend the stand vertically ...

Page 68: ...68 Operating the monitor Slant adjust With the stand attached to the monitor you can adjust the monitor to your desired angle with the slant adjust feature ...

Page 69: ...g 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 continuously scroll through the screen NOTE The message may be slightly different according to the connected input signal 4 This box also appears du...

Page 70: ...mality you are experiencing is an inherent problem with your monitor or with your computer and video card To run the built in diagnostics 1 Ensure that the screen is clean no dust particles on the surface of the screen 2 Toggle and hold the Joystick to the up or down or left or right for about 4 seconds until a pop menu appears ...

Page 71: ...arefully inspect the screen for abnormalities 5 Toggle the Joystick up The color of the screen changes to red 6 Inspect the display for any abnormalities 7 Repeat steps 5 and 6 to inspect the display in green blue black white and text screens The test is complete when the text screen appears To exit toggle the Joystick up again ...

Page 72: ...common monitor problems you might encounter and the possible solutions Common symptoms What you experience Possible solutions No Video Power LED off No picture Ensure that the video cable connecting the monitor and the computer is properly connected and secure Verify that the power outlet is functioning properly using any other electrical equipment Ensure that the Power Button is pressed fully Ens...

Page 73: ...al defect that can occur in LCD technology For more information on Dell Monitor Quality and Pixel Policy see Dell Support site at http www dell com pixelguidelines Stuck on Pixels LCD screen has bright spots Cycle power On Off Pixel that is permanently off is a natural defect that can occur in LCD technology For more information on Dell Monitor Quality and Pixel Policy see Dell Support site at htt...

Page 74: ...ins in the video cable connector Restart the computer in the safe mode Safety Related Issues Visible signs of smoke or sparks Do not perform any troubleshooting steps Contact Dell immediately Intermittent Problems Monitor malfunctions on off Ensure that the video cable connecting the monitor to the computer is connected properly and is secure Reset the monitor to factory settings Perform monitor s...

Page 75: ...olor Format to PC RGB or YPbPr in the Color menu OSD Run the built in diagnostics Image retention from a static image left on the monitor for a long period of time Faint shadow from the static image displayed appears on the screen Set the screen to turn off after a few minutes of screen idle time These can be adjusted in Windows Power Options or Mac Energy Saver setting Alternatively use a dynamic...

Page 76: ... is locked If yes press and hold the Menu function button next to the Power Button for 4 seconds to unlock for more information see Lock No Input Signal when user controls are pressed No picture the LED light is white Check the signal source Ensure the computer is not in the standby mode by moving the mouse or pressing any key on the keyboard Check whether the signal cable is plugged in properly R...

Page 77: ...onds later No network connection Network dropped or intermittent Check to ensure USB C Prioritization is set to High Data Speed Do not turn Off the display during network connection Common symptoms What you experience Possible solutions USB interface is not working USB peripherals are not working Check that your monitor is turned On Reconnect the upstream cable to your computer Reconnect the USB p...

Page 78: ...en1 capable Some computers have USB 3 2 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 2 device is plugged in Wireless USB peripherals responding slowly or only working as the distance between itself and its rece...

Page 79: ...s Cannot hear any sound Turn Off the monitor unplug the monitor power cord replug it and then turn On the monitor Ensure the audio cable is connected correctly between the Audio Line Out port and the external speaker Disconnect reconnect the audio cable from the Audio Line Out port and the external speaker Reset the monitor to factory settings ...

Page 80: ...e located at www dell com regulatory_compliance Contact 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 Dell provides several online and telephone based support and service options Availability varies by country and product...

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