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| Troubleshooting

Universal Serial Bus (USB) specific problems

Specific
Symptoms

What You
Experience

Possible Solutions

USB interface is
not working

USB peripherals
are not working

• Check that your display is turned ON.
• Ensure USB Selection is set correctly in the

USB

menu.

• 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.
• Some USB devices like external portable HDD

require higher electric current; connect the
device directly to the computer system.

• Certain USB devices such as portable hard

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

• Disconnect one upstream USB cable when using

two upstream connections.

SuperSpeed
USB 3.2 Gen2
interface is
slow.

SuperSpeed
USB 3.2 Gen2
peripherals
working slowly
or not working
at all

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

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

• Reconnect the upstream cable to your

computer.

• Reconnect the USB peripherals (downstream

connector).

• Reboot the computer.

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

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

• Increase the distance between the USB 3.0

peripherals and the wireless USB receiver.

• Position your wireless USB receiver as close as

possible to the wireless USB peripherals.

• Use a USB-extender cable to position the

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

USB is not
working

No USB
functionalities

Refer to input source and USB pairing table.

Содержание P2722H

Страница 1: ...Model P2722H Regulatory model P2722Ht Dell P2722H Monitor User s Guide ...

Страница 2: ...r loss of data if instructions are not followed WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 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 03 Rev A00 ...

Страница 3: ...ons 12 Resolution specifications 13 Preset display modes 14 Electrical specifications 14 Physical characteristics 16 Environmental characteristics 17 Pin assignments 18 Plug and Play 22 LCD monitor quality and pixel policy 22 Maintenance guidelines 23 Cleaning your monitor 23 Setting up the monitor 24 Connecting the stand 24 Using the tilt swivel and vertical extension 27 Contents 3 ...

Страница 4: ...t panel button 37 Using the On Screen Display OSD menu 38 Accessing the menu system Menu Voice On 38 Accessing the menu system Menu Voice Off 48 Using the OSD lock function 59 OSD warning messages 62 Setting the maximum resolution 65 Troubleshooting 66 Self test 66 Built in diagnostics 67 Common Problems 68 Product specific problems 71 Universal Serial Bus USB specific problems 72 Appendix 73 FCC ...

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

Страница 6: ... the table below If any component is missing contact Dell For more information see Contact Dell NOTE Some components may be optional and may not ship with your monitor Some features may not be available in certain countries Display Stand riser Stand base Power cable varies by country DisplayPort 1 2 cable ...

Страница 7: ...About your monitor 7 VGA cable Japan only HDMI 1 4 cable Brazil only USB 3 0 upstream cable enables the USB ports on the monitor Quick Setup Guide Safety Environmental and Regulatory Information ...

Страница 8: ...or gamut of 99 sRGB Digital connectivity with DisplayPort and HDMI Equipped with 1 USB upstream port and 4 SuperSpeed USB 5 Gbps USB3 2 Gen 1 Plug and play capability if supported by your computer On Screen Display OSD adjustments for ease of setup and screen optimization Power and joystick buttons lock Removable pedestal stand and Video Electronics Standards Association VESA 100 mm mounting holes...

Страница 9: ...entifying parts and controls Front view 1 Label Description Use 1 Power LED indicator Solid white light indicates the monitor is turned on and functioning normally Blinking white light indicates the monitor is in Standby Mode ...

Страница 10: ... following two condi ons 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired opera on 2 XXXXX R33037 RoHS X X X X X X X X IS 13252 Part 1 IEC 60950 1 R 41082465 www bis gov in XXXXXXX R R E2K P2422Hc 신청인 DELL INC 제조자 L T Display Technology Fujian Ltd for Korea 080 200 3800 デルテクノロジーズ入力 100V 1 5 A ...

Страница 11: ... cable shipped with your monitor 6 VGA connector Connect your computer with VGA cable shipped with your monitor for Japan only 7 USB 3 0 upstream port Connect the USB cable shipped with your monitor from this port to your computer to enable the USB ports on your monitor 8 SuperSpeed USB 5 Gbps USB3 2 Gen 1 Type A downstream port 4 Connect your USB devices NOTE To use this port you must connect the...

Страница 12: ...0 3114 mm x 0 3114 mm Pixel per inch PPI 82 Viewing angle Horizontal 178 typical Vertical 178 typical Brightness 300 cd m typical Contrast ratio 1000 to 1 typical Display screen coating Anti glare treatment of the front polarizer 3H hard coating Backlight LED edgelight system Response time 5 ms Fast mode 8 ms Normal mode Color depth 16 7 million colors 6bit FRC Color gamut sRGB 99 Connectivity 1 x...

Страница 13: ... Yes Dell Display Manager DDM Compatibility Easy Arrange and other key features Security Security lock slot cable lock sold separately Resolution specifications Horizontal scan range 30 kHz to 83 kHz automatic Vertical scan range 56 Hz to 76 Hz automatic Maximum preset resolution 1920 x 1080 at 60 Hz Video display capabilities VGA HDMI DisplayPort 480p 576p 720p 1080i 1080p ...

Страница 14: ... 1280 x 720 56 46 74 78 95 75 1280 x 1024 64 00 60 00 108 00 1280 x 1024 80 00 75 00 135 00 1600 x 900 R 60 00 60 00 108 00 1920 x 1080 67 50 60 00 148 50 Electrical specifications Video input signals Analog RGB 0 7 Volts 5 positive polarity at 75 ohm input impedance HDMI 1 4 600 mV for each differential line 100 ohm input impedance per differential pair DisplayPort 1 2 600 mV for each differentia...

Страница 15: ...ance Your product may perform differently depending on the software components and peripherals you ordered and shall have no obligation to update such information Accordingly the customer should not rely upon this information in making decisions about electrical tolerances or otherwise No warranty as to accuracy or completeness is expressed or implied NOTE This monitor is ENERGY STAR certified Thi...

Страница 16: ...or Japan Universal Serial Bus USB 9 pins Dimensions with stand Height extended 534 15 mm 21 03 in Height compressed 384 15 mm 15 12 in Width 609 90 mm 24 01 in Depth 190 10 mm 7 48 in Dimensions without stand Height 359 60 mm 14 16 in Width 609 90 mm 24 01 in Depth 52 15 mm 2 05 in Stand dimensions Height extended 428 30 mm 16 68 in Height compressed 381 50 mm 15 02 in Width 268 00 mm 10 55 in Dep...

Страница 17: ... country RoHS compliant TCO Certified TCO Certified Edge BFR PVC free monitor excluding external cables Meets NFPA 99 leakage current requirements Arsenic free glass and Mercury free for the panel only Temperature Operating 0 C to 40 C 32 F to 104 F Non operating 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 ...

Страница 18: ...ments VGA port Pin number 15 pin side of the connected signal cable 1 Video Red 2 Video Green 3 Video Blue 4 GND 5 Self test 6 GND R 7 GND G 8 GND B 9 Computer 5 V 3 3 V 10 GND sync 11 GND 12 DDC data 13 H sync 14 V sync 15 DDC clock ...

Страница 19: ...t 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 ...

Страница 20: ...2 2 TMDS DATA 2 SHIELD 3 TMDS DATA 2 4 TMDS DATA 1 5 TMDS DATA 1 SHIELD 6 TMDS DATA 1 7 TMDS DATA 0 8 TMDS DATA 0 SHIELD 9 TMDS DATA 0 10 TMDS CLOCK 11 TMDS CLOCK SHIELD 12 TMDS CLOCK 13 CEC 14 Reserved N C on device 15 DDC CLOCK SCL 16 DDC DATA SDA 17 DDC CEC Ground 18 5 V POWER 19 HOT PLUG DETECT ...

Страница 21: ...tdB_SSTX 6 StdA_SSRX 7 GND_DRAIN 7 GND_DRAIN 8 StdB_SSRX 8 StdA_SSTX 9 StdB_SSRX 9 StdA_SSTX Shell Shield Shell Shield NOTE SuperSpeed USB 5 Gbps USB 3 2 Gen1 functionality requires a SuperSpeed USB 5 Gbps USB 3 2 Gen1 capable computer NOTE The monitor s USB ports work only when the monitor is on or in the standby mode In standby mode if the USB cable is plugged in the USB ports can work normally ...

Страница 22: ...ettings Most monitor installations are automatic you can select different settings if desired For more information about changing the monitor settings see Operating the Monitor LCD monitor quality and pixel policy During the LCD monitor manufacturing process it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality ...

Страница 23: ...en CAUTION Do not use detergents of any kind or other chemicals such as benzene thinner ammonia abrasive cleaners alcohol or compressed air Do not directly spray the cleaning solution or even water on the surface of the monitor Directly spraying liquid onto the panel will roll down to the bottom of the panel and corrode the electronics resulting in permanent damage Instead apply solution or water ...

Страница 24: ...ce follow the set up instructions that were included with the 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 NOTE The graphics are used for the purpose of illustration only The appearance of the package cushion may vary 3 Align and place the stand riser on the stand b...

Страница 25: ...he VESA slot on the monitor NOTE Before attaching the stand assembly to the display ensure that the front plate flap is opened to allow space for assembly 7 Slide the tabs on the stand riser into the slots on the display back cover and lower the stand assembly to snap it into place ...

Страница 26: ... monitor 8 Hold the stand riser and lift the monitor carefully then place it on a flat surface NOTE Hold the stand riser firmly when lifting the monitor to avoid any accidental damage 9 Remove the cover from the monitor ...

Страница 27: ...tions that were included with the stand Tilt swivel and vertical extension With the stand attached to the monitor you can tilt the monitor for the most comfortable viewing angle NOTE The stand is detached when the monitor is shipped from the factory Rotating the display Before you rotate the display extend the display vertically until the top of the stand riser and then tilt the display backwards ...

Страница 28: ...r with a non Dell computer go to the graphics card manufacturer s website or your computer manufacturer website for information on how to rotate the contents of your display To configure the Display Settings 1 Right click on the Desktop and click Properties 2 Select the Settings tab and click Advanced 3 If you have an AMD graphics card select the Rotation tab and set the preferred rotation 4 If yo...

Страница 29: ...uter 1 Turn off your computer 2 Connect the DisplayPort or HDMI or VGA cable optional purchase and the USB3 0 cable from your monitor to the computer 3 Turn on your monitor 4 Select the correct input source from the OSD Menu on your monitor and then turn on your computer Connecting the DisplayPort and USB cable USB DP DP USB Connecting the HDMI cable optional HDMI 2 0 HDMI HDMI ...

Страница 30: ...nnecting the VGA cable optional HDMI 2 0 VGA VGA Organizing your cables HDMI 2 0 After attaching all necessary cables to your monitor and computer see Connecting Your Monitor for cable attachment organize all cables as shown above ...

Страница 31: ... The following instructions are applicable only for the stand that was shipped with your monitor If you are connecting a stand that you purchased from any other source follow the set up instructions that were included with the stand To remove the stand 1 Place the monitor on a soft cloth or cushion 2 Press and hold the stand release button 3 Lift the stand up and away from the monitor ...

Страница 32: ... Вт см Consumo de energía en operación XX Wh Потребляемая мощность изделием в режиме ожидания 0 XX Вт Потребляемая мощность изделием в выключенном режиме 0 XX Вт Apparatet må lkoples jordet s kkontakt Apparaten skall anslutas ll jordat u ag Laite on liite ävä suojakoske milla varuste uun pistorasiaan Apparatets s kprop skal lslu es en s kkontakt med jord som giver forbindelse l s kproppens jord Th...

Страница 33: ...abled in the Main Menu 1 Press the Power button to turn on the monitor 2 Use the Joystick as shown below to navigate through the Easy Initial Setup Press the Joystick to enter 3 Follow the steps in the Easy Initial Setup shown on screen to enable the Menu Voice function 27 Monitor 27 Monitor English Español Français Deutsch Português Brasil Русский 简体中文日本語 Please select ...

Страница 34: ...paired Choose an option Off On NOTE After setting up you may press and hold the Joystick for 3 secs to deactivate or re activate the Menu Voice NOTE The following functions that will be disabled when Menu Voice is On Menu Lock Language Built in Diagnostics For additional information please go to https www dell com learn us en uscorp1 policies website accessibility NOTE Menu Voice function is avail...

Страница 35: ...escription When the OSD menu is on press the button to confirm the selection or save the settings When the OSD menu is off press the button to launch the OSD main menu See Accessing the menu system For 2 way right and left directional navigation Move right to enter the submenu Move left to exit from the submenu Increases right or decreases left the parameters of selected menu item For 2 way up and...

Страница 36: ...on 1 Shortcut key Menu Use this Menu button to launch the on screen display OSD and select the OSD menu 2 Shortcut key Input Source Use this button to choose from a list of Input Source 3 Shortcut key Preset Modes Use this button to choose from a list of preset color modes 4 Shortcut key Brightness Contrast To directly access the Brightness Contrast adjustment sliders 5 Exit Use this button to go ...

Страница 37: ...mage settings Front Panel Button Description 1 Up Down Use the Up increase and Down decrease buttons to adjust items in the OSD menu 2 Previous Use the Previous button to go back to the previous menu 3 Next Use the Next button to confirm your selection 4 Tick Use the Tick button to confirm your selection ...

Страница 38: ...alize Others Auto Adjust 75 75 Brightness Brightness adjusts the luminance of the backlight minimum 0 maximum 100 Move the joystick up to increase brightness Move the joystick down to decrease brightness Contrast Adjust the Brightness first and then adjust Contrast only if further adjustment is necessary Move the joystick up to increase contrast and Move the joystick down to decrease contrast betw...

Страница 39: ...Auto Adjust Press to adjust the screen automatically Auto Adjust allows the monitor to self 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 NOTE In most cases Auto Adjust produces the best image for your configuration NOTE Auto Adjust option is only available when you are us...

Страница 40: ...input when you are using the VGA DP Select DP input when you are using the DP DisplayPort connector Press the joystick button to confirm the selection HDMI Select the HDMI input when you are using the HDMI connector Press the joystick button to confirm the selection Auto Select Turn on the function to allow the monitor to automatically scan for available input sources Press the joystick button to ...

Страница 41: ...r Format Preset Modes Reset Color Standard Movie Game Warm Cool Custom Color Standard Default Color setting This monitor uses a low blue light panel and is certified by TUV to reduce blue light output and create a more relaxing and less stimulating image while reading content on the screen Movie Ideal for movies Game Ideal for most gaming applications Warm Increases the color temperature The scree...

Страница 42: ...Cr digital YPbPr analog output Exit 27 Monitor Display Menu Input Source Color Personalize Others Brightness Contrast Auto Adjust Input Color Format Preset Modes Reset Color RGB YPbPr Hue Use joystick up or down to adjust the hue from 0 to 100 NOTE Hue adjustment is available only for Movie and Game mode Saturation Use joystick up or down to adjust the saturation from 0 to 100 NOTE Saturation adju...

Страница 43: ... 0 maximum 100 NOTE Horizontal Position and Vertical Position adjustments are only available for VGA input Sharpness Makes the image look sharper or softer Move the joystick up and down to adjust the sharpness from 0 to 100 Pixel Clock The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference Move the joystick up and down to adjust for best image quality Phase If sa...

Страница 44: ...Others Brightness Contrast Auto Adjust Rotation Transparency Language Timer Lock Reset Menu 20 20 s Select Transparency Select this option to change the menu transparency by moving the joystick up or down min 0 max 100 Timer OSD Hold Time Sets the length of time the OSD remains active after you press a button Move the joystick to adjust the slider in 1 second increments from 5 to 60 seconds Reset ...

Страница 45: ...de Preset Modes Brightness Contrast Off in Standby Mode Shortcut key 1 Select from Preset Modes Brightness Contrast Input Source Auto Adjust Input Source Aspect Ratio Display Info set as shortcut key Shortcut key 2 Shortcut key 3 Power Button LED Allows you to set the state of the power light to save energy USB Allows you to enable or disable USB function during monitor standby mode Reset Persona ...

Страница 46: ... Select ENERGY STAR Display Info Displays the monitor s current settings DDC CI DDC CI Display Data Channel Command Interface allows your monitor parameters brightness color balance and etc to be adjustable via the software on your computer You can disable this feature by selecting Off Enable this feature for best user experience and optimum performance of your monitor Exit 27 Monitor Display Menu...

Страница 47: ...the Service Tag The Service Tag is a unique alphanumeric identifier that allows Dell to identify the product specifications and access warranty information NOTE The Service Tag is also printed on a label located at the back of the cover Reset Others Resets all settings under the Others menu to the factory defaults Factory Reset Restores all preset values to the factory default settings These are a...

Страница 48: ...ghtness Brightness adjusts the luminance of the backlight minimum 0 maximum 100 Move the joystick up to increase brightness Move the joystick down to decrease brightness Contrast Adjust the Brightness first and then adjust Contrast only if further adjustment is necessary Move the joystick up to increase contrast and Move the joystick down to decrease contrast between 0 and 100 The Contrast functio...

Страница 49: ...Auto Adjust Press to adjust the screen automatically Auto Adjust allows the monitor to self 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 NOTE In most cases Auto Adjust produces the best image for your configuration NOTE Auto Adjust option is only available when you are us...

Страница 50: ...input when you are using the VGA DP Select DP input when you are using the DP DisplayPort connector Press the joystick button to confirm the selection HDMI Select the HDMI input when you are using the HDMI connector Press the joystick button to confirm the selection Auto Select Turn on the function to allow the monitor to automatically scan for available input sources Press the joystick button to ...

Страница 51: ...r Format Preset Modes Reset Color Standard Movie Game Warm Cool Custom Color Standard Default Color setting This monitor uses a low blue light panel and is certified by TUV to reduce blue light output and create a more relaxing and less stimulating image while reading content on the screen Movie Ideal for movies Game Ideal for most gaming applications Warm Increases the color temperature The scree...

Страница 52: ...Cr digital YPbPr analog output Exit 27 Monitor Display Menu Input Source Color Personalize Others Brightness Contrast Auto Adjust Input Color Format Preset Modes Reset Color RGB YPbPr Hue Use joystick up or down to adjust the hue from 0 to 100 NOTE Hue adjustment is available only for Movie and Game mode Saturation Use joystick up or down to adjust the saturation from 0 to 100 NOTE Saturation adju...

Страница 53: ... 0 maximum 100 NOTE Horizontal Position and Vertical Position adjustments are only available for VGA input Sharpness Makes the image look sharper or softer Move the joystick up and down to adjust the sharpness from 0 to 100 Pixel Clock The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference Move the joystick up and down to adjust for best image quality Phase If sa...

Страница 54: ...tion Transparency Language Timer Lock Reset Menu 20 20 s Disable English Select Language Set the OSD display to one of eight languages English Spanish French German Brazilian Portuguese Russian Simplified Chinese or Japanese Transparency Select this option to change the menu transparency by moving the joystick up or down min 0 max 100 Timer OSD Hold Time Sets the length of time the OSD remains act...

Страница 55: ...nput Source Color Personalize Others Brightness Contrast Auto Adjust Rotation Transparency Language Timer Lock Reset Menu Power Button Menu Power Buttons Disable Menu Buttons Menu Buttons Through OSD to lock the Menu buttons Power Button Through OSD to lock the Power button Menu Power Buttons Through OSD to lock the all of Menu and Power buttons Disable Move the Joystick left and hold for 4 sec Re...

Страница 56: ...de Preset Modes Brightness Contrast Off in Standby Mode Shortcut key 1 Select from Preset Modes Brightness Contrast Input Source Auto Adjust Input Source Aspect Ratio Display Info set as shortcut key Shortcut key 2 Shortcut key 3 Power Button LED Allows you to set the state of the power light to save energy USB Allows you to enable or disable USB function during monitor standby mode Reset Persona ...

Страница 57: ... Select ENERGY STAR Display Info Displays the monitor s current settings DDC CI DDC CI Display Data Channel Command Interface allows your monitor parameters brightness color balance and etc to be adjustable via the software on your computer You can disable this feature by selecting Off Enable this feature for best user experience and optimum performance of your monitor Exit 27 Monitor Display Menu...

Страница 58: ...the Service Tag The Service Tag is a unique alphanumeric identifier that allows Dell to identify the product specifications and access warranty information NOTE The Service Tag is also printed on a label located at the back of the cover Reset Others Resets all settings under the Others menu to the factory defaults Factory Reset Restores all preset values to the factory default settings These are a...

Страница 59: ...lay PIP PBP Input Source Color USB Brightness Contrast Exit UltraSharp 40 Monitor Menu Audio Personalize Others Language Transparency Timer Reset Menu Lock Menu Buttons Menu Power Buttons Disable Power Button The following message appears Are you sure you want to lock the Menu Buttons To unlock the Button refer to the User s Guide Yes No 2 Select Yes to lock buttons Once locked pressing any contro...

Страница 60: ...ptions Description 1 Menu Button lock Select this option to lock OSD menu function 2 Power Button lock Use this option to lock power button This will prevent the user to turn off the monitor using the power button 3 Menu and Power Button lock Use this option to lock OSD menu and power button to turn off the monitor 4 Built in Diagnostics Use this option to run the built in diagnostics see Built in...

Страница 61: ...ng table describes the options to unlock the front panel control buttons Select Option Options Description 1 Menu Button unlock Use this option to unlock OSD menu function 2 Power Button unlock Use this option to unlock power button to turn off the monitor 3 Menu and Power Button unlock Use this option to unlock OSD menu and power button to turn off the monitor ...

Страница 62: ... monitor Recommended mode is 1920 x 1080 You can see the following message before the DDC CI function is disabled The function of adjusting display setting using PC application will be disabled Do you wish to disable DDC CI function Yes No When the monitor enters the Standby mode the following message will appear Going into Standby mode Activate the computer and wake up the monitor to gain access ...

Страница 63: ...7 Monitor Select Yes to enable the following function s 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 Select OSD items of On in Standby Mode in Personalize feature the following message will appear Change to this setting without symbol may incr...

Страница 64: ...ll pop up again The power warning message will appear again only when the user does a Factory Reset from the OSD menu If either VGA DP HDMI input is selected and the corresponding cable is not connected a floating dialog box as shown below appears No VGA Cable The display will go into Standby mode in 4 minutes www dell com P2722H or No DP Cable The display will go into Standby mode in 4 minutes ww...

Страница 65: ...Display Settings 2 Click Advanced display settings 3 Click the dropdown list of Resolution and select 1920 x 1080 4 Click Apply If you do not see 1920 x 1080 as an option you may need to update your graphics driver Depending on your computer complete one of the following procedures If you have a Dell desktop or portable computer Go to http www dell com support enter your service tag and download t...

Страница 66: ...digital and the analog cables from the back of computer 3 Turn on the monitor The floating dialog box should appear on screen against a black background if the monitor cannot sense a video signal and is working correctly While in self test mode the power LED remains white Also depending upon the selected input one of the dialogs shown below will continuously scroll through the screen No VGA Cable ...

Страница 67: ...f the screen 2 Press and hold Up or Down or Left or Right direction for four seconds until a menu appears on the screen 3 Using the joystick control highlight the Diagnostics option and press the joystick button to start the diagnostics A gray screen is displayed 4 Observe if the screen has any defects or abnormalities 5 Toggle the joystick once again until a red screen is displayed 6 Observe if t...

Страница 68: ...heck for bent or broken pins in the video cable connector Run the built in diagnostics Ensure that the correct input source is selected in the Input Source menu Poor Focus Picture is fuzzy blurry or ghosting Perform Auto Adjust via OSD Adjust the Phase and Pixel Clock controls via OSD Eliminate video extension cables Reset the monitor to factory settings Change the video resolution to the correct ...

Страница 69: ...D Horizontal Vertical Lines Screen has one or more lines Reset the monitor to factory settings Perform Auto Adjust via OSD Adjust Phase and Pixel Clock controls via OSD Perform monitor self test feature check and determine if these lines are also in self test mode Check for bent or broken pins in the video cable connector Run the built in diagnostics Synchronization Problems Screen is scrambled or...

Страница 70: ...ted properly and is secure Check for bent or broken pins in the video cable connector Wrong Color Picture color not good Change the settings of the Preset Modes in the Color menu OSD depending on the application Adjust R G B value under Custom Color in Color menu OSD Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD Run the built in diagnostics Image retention from a static im...

Страница 71: ...er cable plug it back and then turn on the monitor 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 Connect the signal cable again if necessary Reset the computer or video player The...

Страница 72: ...nnections SuperSpeed USB 3 2 Gen2 interface is slow SuperSpeed USB 3 2 Gen2 peripherals working slowly or not working at all Check that your computer is USB 3 0 capable Some computers have USB 3 0 USB 2 0 and USB 1 1 ports Ensure that the correct USB port is used Reconnect the upstream cable to your computer Reconnect the USB peripherals downstream connector Reboot the computer Wireless USB periph...

Страница 73: ...ort and service options Availability varies by country and product and some services may not be available in your area To get online Monitor support content See www dell com support monitors To contact Dell for sales technical support or customer service issues 1 Go to www dell com support 2 Verify your country or region in the Choose A Country Region drop down menu at the bottom right corner of t...

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Dell P2722H, Руководство пользователя

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