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Troubleshooting

Universal Serial Bus (USB) specific problems

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 peripherals

(downstream connector).

• Turn off the monitor and turn it on

again.

• Reboot the computer.
• Certain USB devices such as

portable hard drive require higher
power source; connect the drive to
the computer directly.

USB-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-C port
supports USB 3.2 Gen1 and an
output of 90 W.

• Check that you use the USB-C

cable shipped with your monitor.

SuperSpeed USB
5 Gbps (USB 3.2
Gen1) interface is
slow

SuperSpeed USB 5
Gbps (USB 3.2 Gen1)
peripherals working
slowly or not working
at all

• Check that your computer is

SuperSpeed USB 5 Gbps (USB 3.2
Gen1)-compatible.

• 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.

Summary of Contents for P2423DE

Page 1: ...Monitor Model P2423DE P2723DE Regulatory Model P2423DEc P2723DEc Dell USB C Monitor P2423DE P2723DE User s Guide ...

Page 2: ...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 USB Type C and USB C are registered trademarks of USB Implementers Forum Other trademarks may be trademarks of their respective owners 2022 02 Rev A00 ...

Page 3: ...ions 14 Resolution specifications 16 Supported video modes 16 Preset display modes 17 Physical characteristics 20 Environmental characteristics 22 Pin assignments 23 DisplayPort connector in 23 DisplayPort connector out 24 HDMI connector 25 Universal Serial Bus USB interface 26 RJ45 port connector side 29 Plug and play capability 32 LCD monitor quality and pixel policy 32 Ergonomics 32 ...

Page 4: ...for DP Multi Stream Transport MST function 42 Connecting the monitor for USB C Multi Stream Transport MST function 42 Connecting the RJ45 cable optional 43 Dell Power Button Sync DPBS 44 Connecting the monitor for DPBS for the first time 47 Using DPBS function 48 Connecting the monitor for USB C Multi Stream Transport MST function 50 Connecting the monitor for USB C 51 Organizing cables 53 Securin...

Page 5: ...ertical extension 80 Tilt swivel 80 Vertical Extension 80 Rotating the monitor 81 Rotate clockwise 81 Rotate counterclockwise 82 Adjusting the rotation display settings of your system 83 Troubleshooting 84 Self Test 84 Built in diagnostics 85 Common problems 87 Universal Serial Bus USB specific problems 92 Regulatory information 94 FCC notices U S Only and other regulatory information94 EU product...

Page 6: ...sure 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 crystal 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 o...

Page 7: ...ed with your monitor If any component is missing contact Dell For more information see Contacting 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 ...

Page 8: ... meters Super speed USB 10 Gbps USB 3 2 Gen2 Type C to Type C upstream cable C C cable 1 meter Super speed USB 5 Gbps USB 3 2 Gen1 Type C to Type A upstream cable C A cable 1 8 meters Cable tie Quick Setup Guide Safety Environmental and Regulatory Information ...

Page 9: ...ards Association VESA 100 mm mounting holes for flexible mounting solutions Equipped with 1 USB C upstream port and 4 SuperSpeed USB 5 Gbps USB 3 2 Gen1 Type A downstream ports USB C and RJ45 ports enable a single cable network connected experience Plug and play capability if supported by your system On Screen Display OSD adjustments for ease of set up and screen optimization Power and joystick bu...

Page 10: ...ifying parts and controls Front view 1 Label Description 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 11: ...nce and XXXXX R33037 RoHS X X X X X X X X XXXXXX XXXX R R E2K P2723DEc 신청인 DELL INC 제조자 L T Display Technology Fujian Ltd for Korea 080 200 3800 XXXXXXXX デルテクノロジーズ入力 100V 2 A 50 60 Hz 7 SVC Tag 1234567 Express Service Code 123 456 789 0 S N CN 0NJ5MJ TV200 1C1 001L A00 Date of Mfg 生产日期生產日期 December 2021 Q40G027N 700 XXA 液晶显示器型号 P2723DE 输入电源 100 240V 50 60Hz 2A 中国制造 DELL P2723DE MAC address XXX...

Page 12: ...with your monitor 3 HDMI port Connect to your computer using a HDMI cable purchased separately 4 Stand lock To lock the stand to the monitor using a M3 x 6 mm screw screw not included 5 DisplayPort in Connect your computer with the DisplayPort cable shipped with your monitor 6 DisplayPort out DisplayPort output for MST multi stream transport capable monitor To enable MST see Connecting the monitor...

Page 13: ...rior to Windows 10 8 SuperSpeed USB 5 Gbps USB 3 2 Gen1 Type A downstream port 4 Connect your USB device NOTE To use these ports you must connect the USB C C C or C A cable shipped with your monitor to the USB C upstream port on the monitor and to your computer 9 RJ45 port Connect the Internet You can surf Internet via RJ45 only after you have connected the USB C C C or C A cable shipped with your...

Page 14: ...n 335 66 mm 13 21 in 200301 75 mm2 310 47 in 2 Native resolution and refresh rate 2560 x 1440 at 60 Hz Pixel pitch 0 2058 mm x 0 2058 mm 0 2331 mm x 0 2331 mm Pixel per inch PPI 123 109 Viewing angle Horizontal Vertical 178 typical 178 typical Luminance output 300 cd m typical 350 cd m typical Contrast ratio 1000 to 1 typical Display screen coating Anti glare treatment of the front polarizer 3H ha...

Page 15: ... 2 Gen1 downstream port 1 x RJ45 port Bezel width edge of monitor to active area Top Left Right Bottom 5 42 mm 5 48 mm 16 72 mm 7 37 mm 7 43 mm 17 77 mm Adjustability Height adjustable stand 150 mm Tilt 5 to 21 Swivel 45 to 45 Pivot 90 to 90 Cable management Yes Dell Display Manager compatibility Easy Arrange and other key features Security Security lock slot cable lock optional purchase DisplayPo...

Page 16: ...izontal scan range 29 kHz to 113 kHz Vertical scan range 49 Hz to 75 Hz automatic Maximum preset resolution 2560 x 1440 60 Hz Supported video modes Model P2423DE P2723DE Video display capabilities HDMI DisplayPort USB C DP alternate mode 480p 576p 720p 1080i HDMI 1080p 1440p ...

Page 17: ...0 75 00 108 00 VESA 1280 x 768 47 80 59 90 79 50 VESA 1280 x 1024 64 00 60 00 108 00 VESA 1280 x 1024 79 90 75 00 135 00 VESA 1600 x 1200 75 00 60 00 162 00 VESA 1680 x 1050 65 30 60 00 146 30 CTA 1920 x 1080 67 50 60 00 148 50 VESA 1920 x 1200 74 60 59 90 193 30 VESA 2048 x 1080 66 60 60 00 147 20 VESA 2560 x 1440 88 80 60 00 241 50 DP Multi Stream Transport MST modes MST Source Monitor Maximum n...

Page 18: ...tandby Mode 1 26 W On mode 1 175 W Max 2 19 94 W Pon 3 63 98 kWh TEC HBR3 DisplayPort 1 4 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 of On Mode as defined in Energy Star 8 0 version TEC Total energy consumption in kWh as defined in Energy Star 8 0 version This document is infor...

Page 19: ...oduct qualifies for ENERGY STAR in the factory default settings which can be restored by Factory Reset function in the OSD menu Changing the factory default settings or enabling other features may increase power consumption that could exceed the ENERGY STAR specified limit ...

Page 20: ...ight extended 496 11 mm 19 53 in 535 20 mm 21 07 in Height compressed 364 00 mm 14 33 in 385 20 mm 15 17 in Width 537 80 mm 21 17 in 611 60 mm 24 08 in Depth 179 57 mm 7 07 in 190 10 mm 7 48 in Dimensions without stand Height 318 50 mm 12 54 in 360 80 mm 14 20 in Width 537 80 mm 21 17 in 611 60 mm 24 08 in Depth 52 15 mm 2 05 in 52 18 mm 2 05 in Stand dimensions Height extended 410 80 mm 16 17 in ...

Page 21: ...1 Weight without stand assembly For wall mount or VESA mount considerations no cables 3 92 kg 8 64 lb 5 07 kg 11 18 lb Weight of stand assembly 1 63 kg 3 59 lb 1 84 kg 4 06 lb Front frame gloss Black frame 2 4 gloss units ...

Page 22: ...ets 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 Storage 20 C to 60 C 4 F to 140 F Shipping 20 C to 60 C 4 F to 140 F Humidity Operating 10 to 80 non condensing Non operating Storage 5 to 90 non condensing Shipping 5 to 90 non condensing Altitude Operating maximum 5 000 m 16 400 ft Non oper...

Page 23: ...yPort connector 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 GND 14 GND 15 AUX p 16 GND 17 AUX n 18 Hot Plug Detect 19 Re PWR 20 3 3 V DP_PWR ...

Page 24: ...or out Pin number 20 pin side of the connected signal cable 1 ML0 p 2 GND 3 ML0 n 4 ML1 p 5 GND 6 ML1 n 7 ML2 p 8 GND 9 ML2 n 10 ML3 p 11 GND 12 ML3 n 13 CONFIG1 14 CONFIG2 15 AUX CH p 16 GND 17 AUX CH n 18 Hot Plug Detect 19 Return 20 DP_PWR ...

Page 25: ...A 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 26: ...ailable on the monitor SuperSpeed USB 5 Gbps USB 3 2 Gen1 Transfer speed Data rate Maximum power supported each port SuperSpeed 5 Gbps 4 5 W High speed 480 Mbps 4 5 W Full speed 12 Mbps 4 5 W USB C USB C Description Video DisplayPort 1 4 Data SuperSpeed USB 5 Gbps USB 3 2 Gen1 Power Delivery PD Up to 90 W HBR3 is supported ...

Page 27: ...About your monitor 27 USB downstream connector Pin number 9 pin side of the connector 1 VCC 2 D 3 D 4 GND 5 SSRX 6 SSRX 7 GND 8 SSTX 9 SSTX ...

Page 28: ...ND B12 GND USB ports 1 USB C upstream bottom 4 SuperSpeed USB 5 Gbps USB 3 2 Gen1 Type A downstream bottom NOTE SuperSpeed USB 5 Gbps USB 3 2 Gen1 functionality requires a SuperSpeed USB 5 Gbps USB 3 2 Gen1 capable computer NOTE The USB ports on the monitor work only when the monitor is turned On or in power save mode If you turn Off the monitor and then turn it On the attached peripherals may tak...

Page 29: ...About your monitor 29 RJ45 port connector side Pin number Signal 1 CT 2 TD1 3 TD1 4 TD2 5 TD2 6 TD3 7 TD3 8 TD4 9 TD4 10 GND 11 GREEN 12 GREEN 13 GREEN_AMBER 14 GREEN_AMBER ...

Page 30: ...bps NOTE This LAN port is 1000Base T IEEE 802 3az compliant supporting Mac Address Printed on model label Pass thru MAPT Wake on LAN WOL from standby mode S3 only 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 OS Functionality may vary with Non Dell PC s UEFI stan...

Page 31: ...een Link Activity indicator Blinking Activity on the port Green On Link is being established Off Link is not established 2 Right LED Amber or Green Speed indicator Amber On 1000 Mbps Green On 100 Mbps Off 10 Mbps NOTE The RJ45 cable is non in box standard accessory ...

Page 32: ... Ergonomics CAUTION Improper or prolonged usage of keyboard may result in injury CAUTION Viewing the monitor screen for extended periods of time may result in eye strain For comfort and efficiency observe the following guidelines when setting up and using your computer workstation Position your computer so that the monitor and keyboard are directly in front of you as you work Special shelves are c...

Page 33: ...keyboard or mouse Let your upper arms rest naturally on both sides Ensure that your feet are resting flat on the floor When sitting ensure that the weight of your legs is on your feet and not on the front portion of your seat Adjust your chair s height or use a footrest if necessary to maintain a proper posture Vary your work activities Try to organize your work so that you do not have to sit and ...

Page 34: ...erials 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 that the screen is facing away from you Do not press on the display area to avoid any scratches or damage When transporting the monitor avoid any sudden shock or vibration to it When lifting or moving the monitor do not turn...

Page 35: ... possible use a special screen cleaning tissue or solution suitable for the Dell monitor screen CAUTION Do not use detergents or other chemicals such as benzene thinner ammonia abrasive cleaners or compressed air CAUTION Using chemicals for cleaning may 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 ...

Page 36: ...age CID CID is not covered under the standard Dell warranty If you notice white powder when you unpack your monitor wipe it off with a cloth Handle your monitor with care as a dark colored monitor may get scratched and show white scuff marks more than a light colored monitor To help maintain the best image quality on your monitor use a dynamically changing screen saver and turn off your monitor wh...

Page 37: ...at 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 base and stand riser from the packaging cushion NOTE The graphics are used for the purpose of illustration only The appearance of the package cushion may vary 3 Insert the stand base blocks fully into the stand slot...

Page 38: ...efore attaching the stand assembly to the display ensure that the front plate flap is opened to allow space for assembly 7 Attach the stand assembly to the display a Fit the two tabs on the upper part of the stand to the groove on the back of the display b Press the stand down till it snaps into place ...

Page 39: ...up the monitor 39 8 Hold the stand riser and lift the monitor carefully then place it on a flat surface NOTE Lift the monitor carefully to prevent it from slipping or falling 9 Remove the cover from the monitor ...

Page 40: ...the cables through the cable management slot before connecting them NOTE Do not connect all cables to the computer 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 and disconnect the power cable 2 Route the power cable through the cable management slot on the stand and ...

Page 41: ...NOTE Use the USB C C C cable shipped with monitor only This port supports DisplayPort Alternate Mode DP1 4 standard only The USB C power delivery compliant port PD Version 3 0 delivers up to 90 W of power If your notebook requires more than 90 W to operate and the battery is drained it may not be powered up or charged with the USB PD port of this monitor ...

Page 42: ...make use of this feature your PC Graphics Card must be certified to DP1 4 with MST option NOTE Remove the rubber plug when using DP out connector Connecting the monitor for USB C Multi Stream Transport MST function NOTE The maximum number of supported monitors via MST is subjected to the bandwidth of the USB C source NOTE Remove the rubber plug when using the DP out connector ...

Page 43: ...Setting up the monitor 43 Connecting the RJ45 cable optional NOTE The RJ45 cable is not an in box standard accessory ...

Page 44: ...from the monitor power button This feature is only supported with Dell platform which has built in DPBS function and is only supported over USB C interface To make sure the DPBS function works for the first time perform the following steps on the DPBS supported platform in the Control Panel first NOTE DPBS only supports the USB C upstream port 1 Go to Control Panel ...

Page 45: ...Setting up the monitor 45 2 Select Hardware and Sound followed by Power Options 3 Go to System Settings ...

Page 46: ...press the power button there are a few options for selection namely Do nothing Sleep Hibernate Shut down You can select Sleep Hibernate Shut down NOTE Do not select Do nothing otherwise the monitor power button will not be able to sync with PC system power state ...

Page 47: ...a while approximately 6 seconds and both the PC and monitor will turn OFF When you 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 for the first time it is recommended that you turn ON the monitor first then connect the USB C cabl...

Page 48: ... PC state is as follows Not all Dell PC systems support to wake up the platform via the monitor When you press the monitor power button or PC power button the Monitor PC state is as follows After connect the USB C cable tap on Keyboard or moving the mouse for the system to continue its boot up process when necessary ...

Page 49: ...ate are both ON press and hold the monitor power button for 4 seconds the screen prompt will ask if you would like to shut down the PC When the monitor and the PC power state are both ON press and hold the monitor power button for 10 seconds the PC will shut down ...

Page 50: ... both Monitor 1 and PC turns ON Meanwhile Monitor 2 will remain OFF You need to manually press the power button on Monitor 2 to turn it ON Similarly a PC is connected to two monitors in an initial ON power state and the PC system power state is in sync with Monitor 1 power button When you press Monitor 1 or PC power button both Monitor 1 and PC turns OFF Meanwhile Monitor 2 will be in Standby mode...

Page 51: ...Monitor 1 and Monitor 2 power state can sync with the PC When the PC and two monitors are in an initial ON power state 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 DPBS supportability NOTE DPBS only supports the USB C upstream port ...

Page 52: ... monitor Ensure to set USB C Charging 90W to On in Off Mode When the PC and two monitors are in an initial OFF power state pressing the power button on Monitor 1 or Monitor 2 will turn ON the PC Monitor 1 and Monitor 2 ...

Page 53: ...your monitor using Kensington lock optional The security lock slot is located at the bottom of the monitor see Security lock slot Secure your monitor to a table using the Kensington security lock For more information on using the Kensington lock sold separately see the documentation that is shipped with the lock NOTE The image is for the purpose of illustration only The appearance of the lock may ...

Page 54: ...efully NOTE The following steps are specifically for removing the stand that is shipped with your monitor If you are removing a stand that you purchased from any other source follow the setup instructions that are 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 ...

Page 55: ... en operación XXX Wh Потребляемая мощность изделием в режиме ожидания 0 XX Вт Потребляемая мощность изделием в выключенном режиме 0 XX Вт The equipment must be connected to an earthed mains socket outlet L appareil doit être branché sur une prise de courant munie d une mise à la terre Made in China Fabricado en China сделанный в Китай Fabriqué en Chine 中國製造警語使用過度恐傷害視力 www dell com regulatory_com...

Page 56: ...On the monitor Using the joystick control Use the joystick control on the rear of the monitor to make On Screen Display OSD adjustments 1 Press the joystick to launch the Menu Launcher 2 Move the joystick up down left right to toggle between options 3 Press the joystick again to confirm the selection ...

Page 57: ...scribes the Menu Launcher functions Joystick Description 1 Shortcut key Input Source To choose an input source from the list of video signals that may be connected to your monitor 2 Shortcut key Preset Modes To choose a preferred color mode from the list of preset modes 3 Shortcut key Brightness Contrast To access the adjustment sliders of brightness and contrast 4 Menu To launch the On Screen Dis...

Page 58: ...ription 1 Up Use the Up direction to adjust increase ranges items in the OSD menu 2 Down Use the Down direction to adjust decrease ranges items in the OSD menu 3 Left For all first level in the Menu list Left arrow will exit close the OSD menu 4 Right For all other levels except first level in the Menu list Right arrow will go to the next level 5 OK Press the joystick to confirm your selection ...

Page 59: ...r Color Display Menu Personalize Others Exit 75 75 2 Press the and directions to move between the setting options As you move from one icon to another the option is highlighted 3 Press the or directions once to activate the highlighted option NOTE NOTE The directional buttons and the OK button displayed may differ according to the menu you ve selected Use available buttons to make your selection 4...

Page 60: ...he luminance of the backlight Press the direction to increase the brightness and press the direction to decrease the brightness min 0 max 100 Contrast Adjust the Brightness first and then adjust the Contrast only if further adjustment is necessary Press the direction to increase the contrast and press the direction to decrease the contrast min 0 max 100 The Contrast function adjusts the degree of ...

Page 61: ...onnector Press the joystick to confirm the selection HDMI Select the HDMI input when you are using the HDMI connector Press the joystick to confirm the selection Auto Select Allows you to scan for available input sources The default is On Auto Select for USB C Allows you to set Auto Select for USB C to Prompt for Multiple Inputs Always displays the Switch to USB C Video Input message for you to ch...

Page 62: ...or the USB C input the wattage value remains after the specified option e g PC 1 90W NOTE It is not applicable for the input names shown in the warning messages and Display Info Reset Input Source Resets your monitor input settings to the factory settings Color Adjusts the color setting mode Brightness Contrast Input Source 2X Monitor Color Display Menu Personalize Others Exit Preset Modes Standar...

Page 63: ...olor Standard Loads the monitor s default color settings This is the default preset mode Movie Loads color settings ideal for movies Game Loads color settings ideal for most gaming applications Warm Increases the color temperature The screen appears warmer with a red yellow tint Cool Presents colors at higher color temperatures The screen appears cooler with a blue tint Custom Color Allows you to ...

Page 64: ... Input Source 2X Monitor Color Display Menu Personalize Others Exit Preset Modes RGB YCbCr Input Color Format Hue Saturation Reset Color Hue This feature can shift the color of the video image to green or purple This is used to adjust the desired flesh tone color Use or to adjust the hue from 0 to 100 Press to increase the green shade of the video image Press to increase the purple shade of the vi...

Page 65: ...st the saturation from 0 to 100 Press to increase the monochrome appearance of the video image Press to increase the colorful appearance of the video image NOTE Saturation adjustment is available only when you select Movie or Game preset mode Reset Color Resets your monitor s color settings to the factory settings ...

Page 66: ...om 0 to 100 Response Time Allows you to set the Response Time to Normal or Fast MST DisplayPort Multi Stream Transport The default setting is Off To enable MST DP out select On NOTE When the DisplayPort USB C cable and the DP downstream cable are connected the OSD will set MST to On automatically This action will only be done once after Fac tory Reset or Reset Display is selected USB C Prioritizat...

Page 67: ...ssian Simplified Chinese or Japanese Rotation Press the joystick to rotate the OSD and the screen by 0 90 180 270 degrees You can adjust the menu according to your display rotation Transparency Select this option to change the menu transparency by moving the joystick min 0 max 100 Timer Sets the length of time the OSD will remain active after the last time you pressed a button Move the joystick to...

Page 68: ...er Button LED Allows you to set the power LED indicator On or Off to save energy USB C Charging 90W The default setting is Off in Off Mode Selecting On in Off Mode may automatically charge your notebook or mobile devices through the USB C cable even when the monitor is in off mode Other USB Charging Allows you to enable or disable USB Type A Downstream Ports charging function during monitor standb...

Page 69: ...Factory Reset Select Select Display Info Displays the monitor s current settings DDC CI DDC CI Display Data Channel Command Interface allows you to adjust the monitor settings using software on your computer You can disable this feature by selecting Off Enable this feature for best user experience and optimum performance of your monitor Brightness Contrast Input Source 2X Monitor Color Display Men...

Page 70: ...splays 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 Self Diagnostic Allows you to check if your monitor is functioning properly Reset Others Resets all settings under the Others menu to the factory preset values Factory Reset Restore all preset values to the factory default settings These are...

Page 71: ...ction for four seconds A lock menu appears at the bottom right corner of the display NOTE The lock menu can be accessed using this method when the Menu and Power buttons are in unlocked state Select option To access the unlock menu press and hold the Up or Down or Left or Right direction for four seconds An unlock menu appears at the bottom right corner of the display NOTE The unlock menu can be a...

Page 72: ... Press and hold the Up or Down or Left or Right direction for four seconds In the following scenarios the icon appears at the center of the display When Up or Down or Left or Right direction are pressed This indicates the OSD menu buttons are in lock state When the Power button is pressed This indicates the Power button is in lock state When Up or Down or Left or Right direction or Power button ar...

Page 73: ...ing message 2560x1440 This means that the monitor cannot synchronize with the signal that it is receiving from the computer See monitor specifications for the Horizontal and Vertical frequency ranges addressable by this monitor Recommended mode is 2560 x 1440 You will see the following message before the DDC CI function is disabled ...

Page 74: ...ge the Brightness setting When you change the default setting of power saving features for the first time such as USB C Charging 90W Other USB Charging or Fast Wakeup the following message appears NOTE If you select Yes for either of the features mentioned above the message will not appear the next time you change the settings of these features When you perform a factory reset the message will app...

Page 75: ... the Standby mode the following message will appear depending on the selected input Activate the computer and the monitor to gain access to the OSD NOTE The message may be slightly different according to the connected input signal If either USB C DisplayPort or HDMI input is selected and the corresponding cable is not connected the following message will appear No USB C Cable The display will go i...

Page 76: ...play will go into Standby mode in 4 minutes www dell com P2X23DE NOTE The message may be slightly different according to the connected input signal When the monitor is under DP HDMI input and a USB C C C cable is connected to a notebook that supports DP Alternate Mode if Auto Select for USB C is enabled the following message appears ...

Page 77: ...itor 77 You will see the following message before the Lock function is activated NOTE The message may be slightly different according to the selected settings When Factory Reset is selected the following message appears ...

Page 78: ...X 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 of the functions can be changed in the Menu Yes No See Troubleshooting for more information ...

Page 79: ...the desktop and click Display settings 2 If you have more than one monitor connected ensure to select P2423DE P2723DE 3 Click the Display Resolution dropdown list and select 2560 x 1440 4 Click Keep changes If you do not see 2560 x 1440 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 desk...

Page 80: ...you purchased from any other source follow the set up instructions that were included with the stand Tilt swivel With the stand attached to the monitor you can tilt and swivel the monitor for the most comfortable viewing angle NOTE The stand is not installed at the factory when shipped Vertical Extension NOTE The stand extends vertically up to 150 mm The figure below illustrates how to extend the ...

Page 81: ... monitor 81 Rotating the monitor Before you rotate the monitor your monitor should be fully vertically extended Vertical Extension and fully tilted up to avoid hitting the bottom edge of the monitor Rotate clockwise ...

Page 82: ...ter you require an updated graphics driver that is not included with this monitor To download the graphics driver go to www dell com support and see the Download section for Video Drivers for latest driver updates NOTE When in the Portrait View Mode you may experience performance degradation in graphic intensive applications 3D Gaming and etc ...

Page 83: ...ay Settings 1 Right click on the desktop and click Properties 2 Select the Settings tab and click Advanced 3 If you have an ATI graphics card select the Rotation tab and set the preferred rotation 4 If you have an NVIDIA graphics card click the NVIDIA tab in the left hand column select NVRotate and then select the preferred rotation 5 If you have an Intel graphics card select the Intel graphics ta...

Page 84: ...en remains dark run the monitor self test by performing the following steps 1 Turn off both your computer and the monitor 2 Disconnect all video cables from the monitor This way the computer doesn t have to be involved 3 Turn on the monitor If the monitor cannot sense a video signal and is working correctly the following message will appear No USB C Cable The display will go into Standby mode in 4...

Page 85: ...r 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 Built in diagnostics Your monitor has a built in diagnostic tool that helps you determine if any screen abnormality you experience is an inherent problem with your monitor or with your computer and video card To r...

Page 86: ...et Select 4 When initiated a gray screen apppears Inspect the screen for abnormalities 5 Toggle the Joystick The color of the screen changes to red Inspect the screen for abnormalities 6 Repeat step 5 to inspect the display in green blue black white and text screens 7 The test is complete when the text screen appears To exit toggle the Joystick again If you do not detect any screen abnormalities u...

Page 87: ...urce is selected via the Input Source menu No Video Power LED on No picture or no brightness Increase brightness and contrast controls using the OSD Perform monitor self test feature check Check for bent or broken pins in the video cable connector Run the built in diagnostics Ensure that the correct input source is selected via the Input Source menu Poor Focus Picture is fuzzy blurry or ghosting E...

Page 88: ...ality and Pixel Policy see Dell Support site at www dell com pixelguidelines Brightness Problems Picture too dim or too bright Reset the monitor to Factory Settings Factory Reset Adjust brightness contrast controls via OSD Geometric Distortion Screen not centered correctly Reset the monitor to Factory Settings Factory Reset Adjust horizontal vertical controls via OSD Horizontal Vertical Lines Scre...

Page 89: ...deo cable connecting the monitor to the computer is connected properly and is secure Reset the monitor to Factory Settings Factory Reset Perform monitor self test feature check to determine if the intermittent problem occurs in self test mode Missing Color Picture missing color Perform monitor self test feature check Ensure that the video cable connecting the monitor to the computer is connected p...

Page 90: ...io setting in the Display settings OSD Reset the monitor to Factory Settings Factory Reset Cannot adjust the monitor with the joystick OSD does not appear on the screen Turn Off the monitor unplug the power cord plug it back and then turn On the monitor Check whether the OSD menu is locked If yes move and hold the joystick up down left right for 4 seconds to unlock for more information see Menu an...

Page 91: ... not turn Off the monitor during network connection The LAN port is not functioning OS setting or cable connection issue Ensure that the latest BIOS and drivers for your computer are installed on your computer Ensure that the RealTek Gigabit Ethernet Controller is installed in the Windows Device Manager If your BIOS Setup has a LAN GBE Enabled Disabled option make sure it is set to Enabled Ensure ...

Page 92: ...ctly USB 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 C port supports USB 3 2 Gen1 and an output of 90 W Check that you use the USB C cable shipped with your monitor SuperSpeed USB 5 Gbps USB 3 2 Gen1 interface is slow SuperSpeed USB 5 Gbps USB 3 2 Gen1 peripherals working slowly or not working at ...

Page 93: ...orking as the distance between itself and its receiver decreases Increase the distance between the USB 3 2 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 2 port ...

Page 94: ...uct information sheet P2423DE https eprel ec europa eu qr 1057583 P2723DE https eprel ec europa eu qr 1057602 Contacting Dell To contact Dell for sales technical support or customer service issues see www dell com contactdell NOTE Availability varies by country and product and some services may not be available in your country NOTE If you do not have an active Internet connection you can find cont...

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