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Dell P2423, User Manual

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Contents

Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . .  6

About your monitor . . . . . . . . . . . . . . . . . . . . . . . . . .  7

Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7

Product features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9

Identifying parts and controls . . . . . . . . . . . . . . . . . . . . .  10

Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Back view  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Side view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Bottom view  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Monitor specifications . . . . . . . . . . . . . . . . . . . . . . . . . . .  14

Resolution specifications . . . . . . . . . . . . . . . . . . . . . . . . .  15

Supported video modes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Preset display modes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Electrical specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Physical characteristics  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Environmental characteristics  . . . . . . . . . . . . . . . . . . . . . . . . . . .  20

Pin assignments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Plug and play capability . . . . . . . . . . . . . . . . . . . . . . . . . .  24

Universal Serial Bus (USB) interface . . . . . . . . . . . . . . . .  25

SuperSpeed USB 5 Gbps (USB 3.2 Gen1). . . . . . . . . . . . . . . . . . .  25

USB 3.2 Gen1 (5 Gbps) upstream connector  . . . . . . . . . . . . . . . .  25

USB 3.2 Gen1 (5 Gbps) downstream connector . . . . . . . . . . . . . .  26

USB ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26

LCD monitor quality and pixel policy  . . . . . . . . . . . . . . . .  27

Ergonomics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27

Handling and moving your display  . . . . . . . . . . . . . . . . . .  29

Summary of Contents for P2423

Page 1: ...Dell P2423 Monitor User s Guide Model P2423 Regulatory model P2423b ...

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 02 Rev A00 ...

Page 3: ...ted video modes 15 Preset display modes 16 Electrical specifications 17 Physical characteristics 18 Environmental characteristics 20 Pin assignments 21 Plug and play capability 24 Universal Serial Bus USB interface 25 SuperSpeed USB 5 Gbps USB 3 2 Gen1 25 USB 3 2 Gen1 5 Gbps upstream connector 25 USB 3 2 Gen1 5 Gbps downstream connector 26 USB ports 26 LCD monitor quality and pixel policy 27 Ergon...

Page 4: ...our monitor using Kensington lock optional 38 Removing the monitor stand 39 VESA wall mounting optional 40 Operating the monitor 41 Power on the monitor 41 Using the joystick control 41 Using the On Screen Display OSD menu 42 Accessing the Menu Launcher 42 Using the navigation keys 43 Accessing the menu system 44 OSD warning message 56 Setting the maximum resolution 60 Using the tilt swivel and ve...

Page 5: ... problems 66 Product specific problems 70 Universal Serial Bus USB specific problems 71 Appendix 72 FCC notices U S only and other regulatory information 72 Contact Dell 72 EU product database for energy label and product information sheet 72 ...

Page 6: ... AC power available in your location Keep the monitor in room temperature Excessive cold or hot conditions can have an adverse effect on the liquid crystal of the display Do not subject the monitor to severe vibration or high impact conditions For example do not place the monitor inside a car trunk Unplug the monitor when it is going to be left unused for an extended period of time To avoid electr...

Page 7: ...hnical 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 setup instructions available with the stand Display Stand riser Stand base Power cable varies by country ...

Page 8: ...t 1 2 cable DisplayPort to DisplayPort 1 80 meters VGA cable Japan only 1 80 meters USB 3 2 Gen1 5 Gbps upstream cable enables the USB ports on the monitor 1 80 meters Quick Setup Guide Safety Environmental and Regulatory Information ...

Page 9: ...quipped with 1 USB Type B upstream port and 4 SuperSpeed USB 5 Gbps USB 3 2 Gen1 Type A downstream ports 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 buttons lock Security lock slot Stand lock 0 3 W in Standby Mode Optimize eye comfort with a flicker free screen and low blue light feature The mo...

Page 10: ...tifying parts and controls Front view 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: ...e 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 inserting them thr...

Page 12: ...iption Use 1 Security lock slot based on Kensington Security Slot Secures the monitor with a security lock security lock not included 2 Power connector Connect the power cable shipped with your monitor 3 DisplayPort Connect your computer with the DisplayPort cable shipped with your monitor ...

Page 13: ...nnect your computer with the DVI cable 7 VGA connector Connect your computer with the VGA cable shipped with your monitor for Japan only 8 SuperSpeed USB 5 Gbps USB 3 2 Gen1 upstream port Connect 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 SuperSpeed USB 5 Gbps USB 3 2 Gen1 downstream port 4 Connect your USB...

Page 14: ... 40 mm 20 41 in 324 00 mm 12 76 in 167961 60 mm2 260 34 in 2 Pixel pitch 0 270 mm x 0 270 mm Pixel per inch PPI 94 Viewing angle 178 vertical typical 178 horizontal typical Luminance output 300 cd m typical Contrast ratio 1000 to 1 typical Faceplate coating Anti glare treatment of the polarizer Haze 25 3H Backlight White LED edgelight system Response time 8 ms Normal mode 5 ms Fast mode Color dept...

Page 15: ...D Connectivity 1 x DisplayPort version 1 2 HDCP 1 4 1 x HDMI port version 1 4 HDCP 1 4 1 x DVI port 1 x VGA port 1 x SuperSpeed USB 5 Gbps USB 3 2 Gen1 upstream port 4 x SuperSpeed USB 5 Gbps USB 3 2 Gen1 downstream port Border width edge of monitor to active area 6 30 mm Top 6 30 mm Left Right 17 80 mm Bottom Adjustability Height adjustable stand Tilt Swivel Pivot 150 mm 5 to 21 45 to 45 90 to 90...

Page 16: ...x 480 37 50 75 00 31 50 VESA 800 x 600 37 90 60 30 40 00 VESA 800 x 600 46 90 75 00 49 50 VESA 1024 x 768 48 40 60 00 65 00 VESA 1024 x 768 60 00 75 00 78 80 VESA 1152 x 864 67 50 75 00 108 00 1280 x 720 45 00 59 90 74 25 1280 x 720 56 50 74 80 95 75 VESA 1280 x 1024 64 00 60 00 108 00 VESA 1280 x 1024 80 00 75 00 135 00 VESA 1600 x 1200 75 00 60 00 162 00 VESA 1920 x 1080 67 50 60 00 148 50 1920 ...

Page 17: ...on 0 2 W Off mode 1 0 3 W Standby Mode 1 14 8 W On mode 1 48 W Max 2 12 85 W Pon 3 40 76 kWh TEC 3 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 informati...

Page 18: ...ot included Analog D Sub 15 pins cable not included except for Japan Universal Serial Bus USB 9 pins NOTE Dell monitors are designed to work optimally with the video cables that are shipped with your monitor As Dell does not have control over the different cable suppliers in the market the type of material connector and process used to manufacture these cables Dell does not guarantee video perform...

Page 19: ...57 mm 7 07 in Base 245 00 mm x 173 00 mm 9 65 in x 6 81 in Weight Weight with packaging 7 71 kg 17 00 lb Weight with stand assembly and cables 5 56 kg 12 26 lb Weight without stand assembly For wall mount or VESA mount considerations no cables 3 52 kg 7 76 lb Weight of stand assembly 1 71 kg 3 77 lb Front frame gloss Black frame 2 4 gloss units ...

Page 20: ... Free monitor excluding external cables 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 5000 m 16404 ft maximum Non operati...

Page 21: ...umber 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 DisplayPort connector ...

Page 22: ...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 23: ... 2 TMDS RX2 3 TMDS Ground 4 Floating 5 Floating 6 DDC Clock 7 DDC Data 8 Floating 9 TMDS RX1 10 TMDS RX1 11 TMDS Ground 12 Floating 13 Floating 14 5 V 3 3 V power 15 Self test 16 Hot Plug Detect 17 TMDS RX0 18 TMDS RX0 19 TMDS Ground 20 Floating 21 Floating 22 TMDS Ground 23 TMDS Clock 24 TMDS Clock ...

Page 24: ...y capability You can install the monitor in any Plug and Play compatible system The monitor automatically provides the computer system with its Extended Display Identification Data EDID using Display Data Channel DDC protocols so that the system can configure itself and optimize the monitor settings Most monitor installations are automatic you can select different settings if desired For more info...

Page 25: ... power supported Super Speed 5 Gbps 5 V 0 9 A Max each port High speed 480 Mbps 5 V 0 9 A Max each port Full speed 12 Mbps 5 V 0 9 A Max each port SuperSpeed USB 5 Gbps USB 3 2 Gen1 NOTE This monitor is SuperSpeed USB 5 Gbps USB 3 2 Gen1 compatible USB 3 2 Gen1 5 Gbps upstream connector Pin number 9 pin side of the connector 1 VCC 2 D 3 D 4 GND 5 SSTX 6 SSTX 7 GND 8 SSRX 9 SSRX ...

Page 26: ...e B upstream rear 2 USB Type A downstream rear 2 USB Type A downstream bottom NOTE USB 3 2 Gen1 5 Gbps functionality requires a USB 3 2 Gen1 capable computer NOTE The USB ports on the monitor work only when the monitor is turned On or in Standby mode If you turn Off the monitor and then turn it On the attached peripherals may take a few seconds to resume normal functionality ...

Page 27: ...m 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 your eyes 2 Blink frequently to moisten your eyes or wet your eyes with water after prolonged usage of the monitor 3 Take regular and frequent breaks for 20 minutes every two hours 4 Look away from your monitor and gaze at a distant object at 20 ...

Page 28: ...e 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 work for extended periods of time Try to stand or get up and walk around at regular intervals Keep the area under your desk clear of obstructions and cables or power cords that may interfere with comfortable seating or present a potential trip hazard monitor...

Page 29: ...all cables from the monitor Place the monitor in the original box with the original packing materials Hold the bottom edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor When lifting or moving the monitor ensure the screen is facing away from you and do not press on the display area to avoid any scratches or damage When transporting the mo...

Page 30: ...st below when unpacking cleaning or handling your monitor To clean the Dell Monitor screen lightly dampen a soft clean cloth with water If possible use a special screen cleaning tissue or solution suitable for the Dell Monitor screen CAUTION Do not use detergents of any kind or other chemicals such as benzene thinner ammonia abrasive cleaners or compressed air Do not directly spray the cleaning so...

Page 31: ...e 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 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 ...

Page 32: ...urchased from any other source follow the setup instructions available with the stand To attach the monitor stand 1 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 2 Insert the stand base blocks fully into the stand slot 3 Lift the screw handle and turn the screw clockwis...

Page 33: ...tive cover as shown to access the VESA area for stand assembly 6 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 34: ...the monitor 7 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 8 Remove the protective cover from the monitor ...

Page 35: ...e 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 VGA or DVI cable from your monitor to the computer 3 Connect the USB 3 2 Gen1 upstream port on the monitor and an appropriate USB 3 2 Gen1 port on your computer with the supplied USB cable see Bottom view for details 4 Connect the USB 3 2 Gen1 periphera...

Page 36: ...36 Setting up the monitor Connecting the HDMI cable optional Connecting the VGA cable optional Connecting the DVI cable optional ...

Page 37: ...r 37 Connecting the USB 3 2 Gen1 5 Gbps cable Organizing your cables After attaching all the necessary cables to your monitor and computer see Connecting your monitor for cable attachment organize the cables as shown above ...

Page 38: ...nitor see Security lock slot based on Kensington Security 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 vary ...

Page 39: ... The following instructions are applicable only for removing the stand that was shipped with your monitor If you are removing a stand that you purchased from any other source follow the setup instructions available 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 40: ...ve the stand 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 shipped with the wall mounting kit NOTE For use only with UL or CSA or GS listed wall mount bracket with minimum...

Page 41: ...isplay 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 Joystick Description When there is no OSD on the screen press the joystick to launch the Menu Launcher See Accessing the Menu Launcher When the OSD is displayed press the joystick to confirm the selection or sav...

Page 42: ...e the joystick The following table describes the Menu Launcher functions For 2 way right and left directional navigation Move right to enter the submenu Move left 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 Label Icon Description 1 Menu To launch the On Screen Display OSD ma...

Page 43: ... functions When you move the joystick to the left or right to toggle between the shortcut functions the selected item will be highlighted and shifted to the center position Press the joystick to enter its submenu Input Source To choose an input source from the list of video signals that may be connected to your monitor Preset Modes To choose a preferred color mode from the list of preset modes Bri...

Page 44: ...tness adjusts the luminance of the backlight Move the joystick up to increase the brightness level or move the joystick down to decrease the brightness level min 0 max 100 Contrast Adjusts the Brightness first and then adjust the Contrast only if further adjustment is necessary Move the joystick up to increase the contrast level or move the joystick down to decrease the contrast level min 0 max 10...

Page 45: ...lf adjust to the incoming video signal After using Auto Adjust you can further tune your monitor by using the Pixel Clock Coarse and Phase Fine controls under Display settings The following dialog appears as the monitor automatically adjusts to the current input NOTE In most cases Auto Adjust produces the best image for your configuration NOTE Auto Adjust is only available when your monitor is con...

Page 46: ...s the joystick to confirm the selection DP Select DP when you are using the DisplayPort DP connector Press the joystick to confirm the selection Auto Select Automatically scans for available input sources The default is On Press the joystick to confirm the selection Rename Inputs Allows you to specify a preset input name for the selected input source The preset options are PC PC 1 PC 2 Laptop Lapt...

Page 47: ...ion Standard This is the default setting Using a low blue light panel this monitor is certified by TUV to reduce blue light output and create more relaxing and less stimulating images Movie Loads color settings ideal for movies Game Loads color settings ideal for most gaming applications Warm Presents colors at lower color temperatures The screen appears warmer with a red yellow tint ...

Page 48: ...o adjust the three colors R G B values and create your own preset color mode Input Color Format Allows you to set the video input mode to RGB Select this option if your monitor is connected to a computer or a media player that supports RGB output YCbCr YPbPr Select this option if your media player supports YCbCr digital YPbPr analog output Press the joystick to confirm the selection When VGA input...

Page 49: ...e joystick to adjust the saturation level from 0 to 100 NOTE The feature is available only when you select Movie or Game preset mode Reset Color Resets your monitor s color settings to the factory settings Display Use Display to adjust the images Aspect Ratio Adjusts the image ratio to 16 10 4 3 or 5 4 Horizontal Position Move the joystick to adjust the image left or right min 0 max 100 NOTE The f...

Page 50: ...r preference Move the joystick to adjust for best image quality NOTE The feature is only available for VGA input Phase If satisfactory results are not obtained using the Phase adjustment use the Pixel Clock coarse adjustment and then use Phase fine again NOTE The feature is only available for VGA input Response Time Allows you to set the Response Time to Normal or Fast Reset Display Resets all dis...

Page 51: ...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 feature 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 your last operation with the joystick Move the joystic...

Page 52: ... the joystick Power button are locked and not accessible by the user The default setting is Disable Alternative Lock Method You can move and hold the joystick up down left right for 4 seconds to set the lock options via the pop up menu and then press the joystick to confirm the configuration NOTE To unlock move and hold the joystick up down left right for 4 seconds and then press the joystick to c...

Page 53: ...ct Ratio Rotation or Display Info and set it as a shortcut key Shortcut Key 2 Shortcut Key 3 Power Button LED Allows you to set the power LED indicator on or off to save energy USB Allows you to enable or disable USB function during monitor standby mode Reset Personalization Resets all settings under the Personalize menu to the factory preset values ...

Page 54: ...n 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 ...

Page 55: ...date drivers on Dell s website etc Self Diagnostic Initiates the following self diagnostic process 1 When initiated a gray screen appears 2 Carefully inspect the screen for abnormalities 3 Move the joystick The color of the screen changes to red 4 Inspect the display for any abnormalities 5 Repeat steps 3 and 4 to inspect the display in green blue black white and text screens The test is complete ...

Page 56: ... 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 The recommended mode is 1920 x 1200 Factory Reset Restores all preset values to the factory default settings These are also the settings for ENERGY STAR tests ...

Page 57: ...ime the following message appears NOTE If you select Yes the message will not appear the next time you change the Brightness setting When you change the default USB setting for the first time the following message appears NOTE If you select Yes the message will not appear the next time you change the USB setting When you perform a factory reset the message will appear again ...

Page 58: ...ck function is activated NOTE The message may be slightly different according to the selected settings The OSD functions only in the normal operation mode If you press the joystick during 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 conne...

Page 59: ...not connected the following message will appear NOTE The message may be slightly different according to the selected input signal When Factory Reset is selected the following message appears If you select Yes to reset to default settings the following message appears See Troubleshooting for more information ...

Page 60: ...k on the desktop and click Display settings 2 If you have more than one monitor connected ensure to select P2423 3 Click the Resolution dropdown list and select 1920 x 1200 4 Click Keep changes If you do not see 1920 x 1200 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...

Page 61: ...that you purchased from any other source follow the setup instructions available 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 stand...

Page 62: ...the monitor 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 63: ...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 64: ...y 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 tab...

Page 65: ...ideo cable from the computer 3 Turn on the monitor If the monitor cannot sense a video signal and is working correctly the following message will appear NOTE The message may be slightly different according to the connected input signal NOTE While in self test mode the power LED remains white 4 This box also appears during normal system operation if the video cable becomes disconnected or damaged 5...

Page 66: ...pressed fully Ensure that the correct input source is selected in the Input Source menu No video power LED on No picture or no brightness Increase brightness and contrast controls via OSD Perform monitor self test feature check see Self test Check for bent or broken pins in the video cable connector Run the built in diagnostics see Self Diagnostic Ensure that the correct input source is selected i...

Page 67: ... at 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 www dell com pixelguidelines Brightness problems Picture too dim or too bright Reset the monitor to factory settings Adjust brightness...

Page 68: ... Reset the monitor to factory settings Perform Auto Adjust via OSD Adjust the Phase and Pixel Clock controls via OSD Perform monitor self test feature check see Self test to determine if the scrambled screen appears in self test mode Check for bent or broken pins in the video cable connector Restart the computer in the safe mode Safety related issues Visible signs of smoke or sparks Do not perform...

Page 69: ...r Custom Color in the Color menu OSD Change the Input Color Format to RGB or YCbCr YPbPr in the Color settings OSD Run the built in diagnostics see Self Diagnostic 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 adjuste...

Page 70: ...f yes move and hold the joystick up down left right 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 power saving mode by moving the mouse or pressing any key on the keyboard Check whether the signal cable is plugged in properly Re plug the signal cable if...

Page 71: ...als 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 Wireless USB peripherals stop working when a USB 3 2 device is plugged in...

Page 72: ...e 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 Online technical assistance www dell com support monitors Contacting Dell www dell com contactde...

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