Dell P2222H/P2422H/P2722H Monitor User’s Guide Monitor Model: P2222H/P2422H/P2722H Regulatory Model: P2222Hb/P2222Ht/P2422Hb/P2422Hc/P2722Hb/P2722Ht
NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2021 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.
Contents Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 6 About your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Package contents . . . . . . . . . . . . . . . . . . . . . . 7 Product features . . . . . . . . . . . . . . . . . . . . . . 9 Identifying parts and controls . . . . . . . . . . . . . . . 10 Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 33 Connecting the stand . . . . . . . . . . . . . . . . . . . 33 Connecting your monitor . . . . . . . . . . . . . . . . . 36 Connecting the DisplayPort and USB cable . . . . . . . . . . . . 36 Connecting the HDMI cable (optional) . . . . . . . . . . . . . . . 37 Connecting the VGA cable (optional) . . . . . . . . . . . . . . . . 37 Organizing cables . . . .
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Built-in diagnostics . . . . . . . . . . . . . . . . . . . . 68 Common problems . . . . . . . . . . . . . . . . . . . . . 70 Product-specific problems . . . . . . . . . . . . . . . . 73 Universal Serial Bus (USB) specific problems . . . . . . 73 Appendix . . . . . . . . . . . .
Safety instructions Use the following safety guidelines to protect your monitor from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your monitor. Before using the monitor, read the safety information that is shipped with your monitor and also printed on the product. Keep the documentation at a secure location for future reference.
About your monitor Package contents Your monitor ships with the components shown in the table below. 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 or media may not be available in certain countries.
DisplayPort 1.2 cable VGA cable (Japan only) HDMI 1.4 cable (Brazil only) USB 3.
Product features The Dell P2222H/P2422H/P2722H monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The monitor features include: • • • • • • • • • • • • • • • • • • P2222H: 54.61 cm (21.5 in.) viewable area display (measured diagonally). P2422H: 60.47 cm (23.8 in.) viewable area display (measured diagonally). P2722H: 68.60 cm (27 in.) viewable area display (measured diagonally). 1920 x 1080 resolution, with full-screen support for lower resolutions.
Identifying parts and controls Front view 1 Label 1 Description 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.
Back view 1 2 DELL P2X22H Flat Panel Monitor /Monitor Plano Panel /Moniteur écran plat /液晶顯示器 Model No. /Modelo /N°de modelo /型號/모델명/モデル番号: P2422Hc Input Ra�ng /Entrade /Daya Tegangan/정격입력/Entrada de energía:100-240V 50/60Hz,1.5A 輸入電源:交流電壓100-240伏特,1.5安培,50/60赫茲 Удельная мощность рабочего режима - XXXX Вт/см² Consumo de energía en operación: XX Wh Потребляемая мощность изделием в режиме ожидания - 0.XX Вт Потребляемая мощность изделием в выключенном режиме - 0.
Bottom view 1 2 3 4 5 6 7 8 8 Bottom view without monitor stand Label Description Use 1 Security-lock slot Secure your monitor using a security lock (purchased separately) to prevent unauthorized movement of your monitor. 2 Power connector Connect the power cable (shipped with your monitor). 3 HDMI port Connect to your computer using a HDMI cable (shipped with your monitor, for Brazil only). 4 Stand lock To lock the stand to the monitor using a M3 x 6 mm screw (screw not included).
Monitor specifications Model P2222H Screen type Active matrix-TFT LCD Panel type In-Plane Switching Technology Aspect ratio 16:9 Viewable image Diagonal 546.10 mm (21.5 in.) Horizontal, Active Area 476.06 mm (18.74 in.) Vertical, Active Area 267.79 mm (10.54 in.) Area 127484.11 mm2 (197.60 in.2) Native resolution and refresh rate 1920 x 1080 at 60 Hz Pixel pitch 0.2480 mm x 0.
Bezel width (edge of monitor to active area) Top 5.60 mm Left/Right 5.60 mm Bottom 16.
Model P2422H Screen type Active matrix-TFT LCD Panel type In-Plane Switching Technology Aspect ratio 16:9 Viewable image Diagonal 604.70 mm (23.8 in.) Horizontal, Active Area 527.04 mm (20.75 in.) Vertical, Active Area 296.46 mm (11.67 in.) Area 156246.27 mm2 (242.15 in.2) Native resolution and refresh rate 1920 x 1080 at 60 Hz Pixel pitch 0.2745 mm x 0.
Connectivity 1 x HDMI 1.4 (HDCP 1.4) 1 x DisplayPort 1.2 (HDCP 1.4) 1 x VGA 1 x USB 3.0 upstream 4 x SuperSpeed USB 5 Gbps (USB3.2 Gen 1) Bezel width (edge of monitor to active area) Top 5.38 mm Left/Right 5.38 mm Bottom 16.
Model P2722H Screen type Active matrix-TFT LCD Panel type In-Plane Switching Technology Aspect ratio 16:9 Viewable image Diagonal 686.00 mm (27 in.) Horizontal, Active Area 597.89 mm (23.54 in.) Vertical, Active Area 336.31 mm (13.24 in.) Area 201076.39 mm2 (311.67 in.2) Native resolution and refresh rate 1920 x 1080 at 60 Hz Pixel pitch 0.3114 mm x 0.
Connectivity 1 x HDMI 1.4 (HDCP 1.4) 1 x DisplayPort 1.2 (HDCP 1.4) 1 x VGA 1 x USB 3.0 upstream 4 x SuperSpeed USB 5 Gbps (USB3.2 Gen 1) Bezel width (edge of monitor to active area) Top 5.99 mm Left/Right 6.01 mm Bottom 17.
Resolution specifications Model P2222H/P2422H/P2722H 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 Supported video modes Model P2222H/P2422H/P2722H Video display capabilities 480p, 576p, 720p, 1080i, 1080p (VGA/HDMI/DisplayPort) About your monitor │ 19
Preset display modes Display Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) 720 x 400 640 x 480 640 x 480 800 x 600 800 x 600 1024 x 768 1024 x 768 1152 x 864 1280 x 720 1280 x 720 1280 x 1024 1280 x 1024 1600 x 900-R 1920 x 1080 31.50 31.50 37.50 37.90 46.90 48.40 60.00 67.50 45.00 56.46 64.00 80.00 60.00 67.50 70.10 59.90 75.00 60.30 75.00 60.00 75.00 75.00 59.94 74.78 60.00 75.00 60.00 60.00 20 │ About your monitor Sync Pixel Clock Polarity (MHz) (Horizontal / Vertical) 28.30 25.
Electrical specifications Model P2222H/P2422H/P2722H 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 differential line, 100 ohm input impedance per differential pair AC input voltage/ frequency/current 100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 1.5 A (typical) Inrush current 120 V: 30 A (max.
1 As defined in EU 2019/2021 and EU 2019/2013. Max brightness and contrast setting with maximum power loading on all USB ports. 2 Pon: Power consumption of On Mode measured with reference to Energy Star test method. TEC: Total energy consumption in kWh measured with reference to Energy Star test method. 3 This document is informational only and reflects laboratory performance.
Physical characteristics Model P2222H Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins (cable not included, except for Brazil) • Analog: D-Sub, 15 pins (cable not included, except for Japan) • Universal Serial Bus: USB, 9 pins Dimensions (with stand) Height (extended) 481.99 mm (18.98 in.) Height (compressed) 364.00 mm (14.33 in.) Width 487.26 mm (19.18 in.) Depth 179.57 mm (7.07 in.) Dimensions (without stand) Height 289.99 mm (11.42 in.) Width 487.26 mm (19.18 in.
Model P2422H Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins (cable not included, except for Brazil) • Analog: D-Sub, 15 pins (cable not included, except for Japan) • Universal Serial Bus: USB, 9 pins Dimensions (with stand) Height (extended) 496.11 mm (19.53 in.) Height (compressed) 364.00 mm (14.33 in.) Width 537.80 mm (21.17 in.) Depth 179.57 mm (7.07 in.) Dimensions (without stand) Height 318.50 mm (12.54 in.) Width 537.80 mm (21.17 in.) Depth 52.15 mm (2.
Model P2722H Signal cable type • Digital: DisplayPort, 20 pins • Digital: HDMI, 19 pins (cable not included, except for Brazil) • Analog: D-Sub, 15 pins (cable not included, except for 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.
Environmental characteristics Model P2222H/P2422H/P2722H Compliant Standards • ENERGY STAR certified monitor. • EPEAT Gold registered in the U.S. EPEAT registration varies by country. See www.epeat.net for registration status by country. • RoHS-compliant. • TCO and TCO Certified Edge Displays. • BFR/PVC free monitor (excluding external cables). • Meets NFPA 99 leakage current requirements. • Arsenic-free glass and Mercury-free for the panel only.
Pin assignments VGA connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15-pin side of the connected signal cable Video-Red Video-Green Video-Blue GND Self-test GND-R GND-G GND-B Computer 5 V/3.
DisplayPort connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 20-pin side of the connected signal cable ML3 (n) GND ML3 (p) ML2 (n) GND ML2 (p) ML1 (n) GND ML1 (p) ML0 (n) GND ML0 (p) GND GND AUX (p) GND AUX (n) Hot Plug Detect Re-PWR +3.
HDMI connector Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 19-pin side of the connected signal cable TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0TMDS CLOCK+ TMDS CLOCK SHIELD TMDS CLOCKCEC Reserved (N.C.
Universal Serial Bus (USB) interface This section gives you information about the USB ports that are available on the monitor. SuperSpeed USB 5 Gbps (USB3.2 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 3.
USB 3.2 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+ 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 take a few seconds to resume normal functionality.
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 or usability. For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at www.dell.com/pixelguidelines. Maintenance guidelines Cleaning your monitor WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet.
Setting up the monitor Connecting the stand NOTE: The stand is detached when the monitor is shipped from the factory. NOTE: The following procedure is applicable for the stand that shipped with your monitor. If you are connecting a third-party stand, see the documentation that shipped 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.
6. Lift the cover, as shown, to access the VESA area for stand assembly. NOTE: Before 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.
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.
Connecting your monitor WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. NOTE: Do not connect all cables to the monitor at the same time. It is recommend to route the cables through the cable-management slot before you connect them to the monitor. To connect your monitor to the computer: 1. Turn off your computer and disconnect the power cable. 2. Connect the DisplayPort cable (shipped with your monitor) from your monitor to the computer. 3.
Connecting the HDMI cable (optional) HDMI HDMI 2.0 HDMI Connecting the VGA cable (optional) VGA HDMI 2.0 VGA 6. Connect the power cables from your computer and monitor into a wall outlet.
Organizing cables Use the cable-management slot to route the cables connected to your monitor. HDMI 2.0 7. Turn on the Monitor.
Removing the stand NOTE: To prevent scratches on the screen when removing the stand, ensure that the monitor is placed on a soft and clean surface. NOTE: The following procedure is applicable only for the stand that shipped with your monitor. If you are connecting a third-party stand, see the documentation that shipped with the stand. 1. Place the monitor on a soft cloth or cushion at the edge of the desk. 2. Press and hold the stand release button at the back of the display. 3.
Wall mounting (optional) DELL DELL P2422H Flat Panel Monitor /Monitor Plano Panel /Moniteur écran plat /液晶顯示器 Model No. /Modelo /N°de modelo /型號/모델명/モデル番号: P2422Hc Input Ra�ng /Entrade /Daya Tegangan/정격입력/Entrada de energía:100-240V 50/60Hz,1.5A 輸入電源:交流電壓100-240伏特,1.5安培,50/60赫茲 Удельная мощность рабочего режима - XXXX Вт/см² Consumo de energía en operación: XX Wh Потребляемая мощность изделием в режиме ожидания - 0.XX Вт Потребляемая мощность изделием в выключенном режиме - 0.
Operating your monitor Power on the monitor Press the Power button to turn 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.
Using the On-Screen Display (OSD) menu Accessing the Menu Launcher When you toggle or press the joystick, the Menu Launcher appears to let you access the OSD main menu and shortcut functions. To select a function, move the joystick.
Using the navigation keys When the OSD main menu is active, move the joystick to configure the settings, following the navigation keys displayed below the OSD. Joystick 1 Up 2 Down 3 Left 4 Right 5 Description Use the Up direction to adjust (increase ranges) items in the OSD menu. Use the Down direction to adjust (decrease ranges) items in the OSD menu. For all first level in the Menu list, Left arrow will exit/ close the OSD menu.
Accessing the OSD menu NOTE: If you change the settings and then either proceed to another menu or exit the OSD menu, the monitor automatically saves those changes.The changes are also saved if you change the settings and then wait for the OSD menu to disappear. 1. Select the icon to launch the OSD and display the main menu. 2X Monitor Brightness/Contrast Auto Adjust Input Source Color Display Menu Personalize Others 75% 75% Exit 2. Press the and directions to move between the setting options.
Icon Menu and Submenus Brightness/ Contrast Description Use this menu to activate Brightness/Contrast adjustment. 2X Monitor Brightness/Contrast Auto Adjust Input Source Color Display Menu Personalize Others 75% 75% Exit Brightness Contrast Brightness adjusts the luminance of the backlight. Press the direction to increase the brightness and press the direction to decrease the brightness (min. 0 / max. 100).
Auto Adjust Use this menu to activate Auto Adjust (only available for VGA input). 2X Monitor Brightness/Contrast Auto Adjust Press to adjust the screen automatically. Input Source Color Display Menu Personalize Others Exit Input Source 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.
VGA DP HDMI Select VGA input when you are using the VGA connector. Push to select the VGA input source. Select DP input when you are using the DisplayPort connector. Push to select the DP input source. Select HDMI input when you are using the HDMI connector. Push to select the HDMI input source. Auto Select Choose Auto Select to scan for available input signals. Rename Inputs Reset Input Source Color Select this option to restore default Input Source. Use Color to adjust the color setting mode.
Preset Modes Allows you to choose from a list of preset color modes. • 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: Decreases the color temperature. The screen appears cooler with a blue tint.
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 DVD player using the HDMI cable. • YCbCr(digital)/YPbPr(analog): Select this option if your DVD player supports only YCbCr(digital)/ YPbPr(analog) output.
Reset Color Display Resets your monitor’s color settings to the factory default. Use the display to adjust image. 2X Monitor Brightness/Contrast Aspect Ratio Auto Adjust Horizontal Position Input Source Vertical Position Color Sharpness Display Pixel Clock Menu Phase Personalize Response Time Others Reset Display 16 : 9 50 Normal Exit Aspect Ratio Horizontal Position Vertical Position Sharpness Pixel Clock Phase Adjusts the image ratio to 16:9, 4:3 or 5:4.
Response Time Allows you to set the Response Time to Normal or Fast. Reset Display Resets all display settings to the factory default values. Menu Select this option to adjust the settings of the OSD, such as, the languages of the OSD, the amount of time the menu remains on screen and so on.
Personalize Select this option to adjust the settings of the personalization.
Others Select this option to adjust the OSD settings, such as the DDC/CI, LCD conditioning, and so on. 2X Monitor Brightness/Contrast Display Info Select Auto Adjust DDC/CI On Input Source LCD Conditioning Off Color Service Tag xxxxxx Display Reset Others Menu Factory Reset ENERGY STAR® Personalize Others Exit Display Info DDC/CI Displays the monitor’s current settings. DDC/CI (display data channel/command interface) allows your monitor parameters (brightness, color balance and etc.
LCD Conditioning Service Tag Reset Others Factory Reset Helps reduce minor cases of image retention. Depending on the degree of image retention, the program may take some time to run. To start LCD conditioning, select on. Display the service tag number of the display. 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.
Menu and Power button lock Prevents users to access or change OSD menu settings on the display. By default, the Menu and Power button lock setting is disabled. To access the lock menu, press and hold the Up or Down or Left or Right direction 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: There are three lock options. 1 Menu Menu Buttons Description When Menu Buttons is selected, the OSD menu settings cannot be changed. All buttons are locked except Power button. 2 Power Button When Power Button is selected, the display cannot be turned off using the Power button. 3 Menu + Power Buttons When Menu + Power Buttons is selected, the OSD menu settings cannot be changed and the Power button is locked. 4 Built-in Diagnostics See Built-in diagnostics for more information.
• 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 are pressed. This indicates OSD menu buttons and the Power button is in lock state. Unlocking the OSD menu and Power buttons： 1. Press and hold the Up or Down or Left or Right direction for four seconds. The unlock menu appears. 2. Select the unlock icon to unlock the buttons on the display.
OSD warning messages When the monitor does not support a particular resolution mode, the following message is displayed: 1920x1080, 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 1920 x 1080. NOTE: The message may be slightly different according to the connected input signal.
When the monitor goes into power-save mode, the following message appears: Going into Standby mode... Activate the computer and wake up the monitor to gain access to the OSD. NOTE: The message may be slightly different according to the connected input signal. If either VGA, HDMI, or DisplayPort cable is not connected, a floating dialog box as shown below appears. The monitor will enter Standby Mode after 4 minutes if left at this state. No VGA Cable The display will go into Standby mode in 4 minutes.
The Power Warning Message box below shall apply to Brightness functions for the first time when user adjust the Brightness level above the default level. Adjusting to this value will increase power consumption above the default level.
Setting the maximum resolution To set the maximum resolution for the monitor: In Windows® 7, Windows® 8, Windows® 8.1: 1. For Windows 8 and Windows 8.1 only, select the Desktop tile to switch to classic desktop. 2. Right-click on the desktop and click Screen Resolution. 3. Click the dropdown list of the Screen Resolution and select 1920 x 1080. 4. Click OK. In Windows® 10: 1. Right-click on the desktop and click Display settings. 2. Click Advanced display settings. 3.
Using the tilt, swivel, and vertical extension NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the set up instructions that were included with the stand. 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 detached when the monitor is shipped from the factory.
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 counterclockwise NOTE: To use the Display Rotation function (Landscape versus Portrait view) with your Dell computer, 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.).
Adjusting the rotation display settings of your system After you have rotated your monitor, you need to complete the procedure below to adjust the Rotation Display Settings of your system. NOTE: If you are using the monitor with a non-Dell computer, you need to go to the graphics driver website or your computer manufacturer website for information on rotating the 'contents' on your display. To adjust the Rotation Display Settings: 1. Right-click on the desktop and click Properties. 2.
Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Self-Test Your monitor provides a self-test feature that allows you to check if your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen 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.
No DP Cable The display will go into Standby mode in 4 minutes. www.dell.com/P2X22H 4. This box also appears during normal system operation, if the video cable becomes disconnected or damaged. 5. Turn Off your monitor and reconnect the video cable; then turn On both your computer and the monitor. If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your monitor is functioning properly.
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 run the built-in diagnostics: 1. Ensure that the screen is clean (no dust particles on the surface of the screen). 2. Move and hold the joystick up/down/left/right about 4 seconds until a popup menu appears.
3. Move the joystick to highlight the Diagnostic icon to confirm. A gray test pattern appears. then press the joystick Select option: 4. Carefully inspect the screen for abnormalities. 5. Press the joystick to change the test patterns. 6. Repeat steps 4 and 5 to inspect the display in red, green, blue, black, white, and text screens. 7. Press the joystick to end the diagnostic program.
Common problems The following table contains general information about common monitor problems you might encounter and the possible solutions: Common Symptoms Possible Solutions No Video/Power Ensure that the video cable connecting the monitor and the LED off computer is properly connected and secure. • Verify that the power outlet is functioning properly using any other electrical equipment. • Ensure that the power button is pressed.
Brightness Problems Horizontal/ Vertical Lines • • • • • • Synchronization Problems • • • • Geometric Distortion Safety Related Issues Intermittent Problems • • • • • • • Missing Color Wrong Color • • • • • • • Reset the monitor to Factory Settings (Factory Reset). Adjust brightness & contrast controls via OSD. Reset the monitor to Factory Settings (Factory Reset). Adjust horizontal & vertical controls via OSD. Reset the monitor to Factory Settings (Factory Reset).
Image retention from a static image left on the monitor for a long period of time • Set the screen to turn off after a few minutes of screen idle time. These can be adjusted in Windows Power Options or Mac Energy Saver setting. • Alternatively, use a dynamically changing screensaver. Video Ghosting • Change the Response Time in the Display OSD to Normal, or Overshooting or Fast depending on your application and usage.
Product-specific problems Specific Symptoms Possible Solutions Screen image is too • Check the Aspect Ratio setting in the Display settings small OSD. • Reset the monitor to Factory Settings (Factory Reset). Cannot adjust the • Turn Off the monitor, unplug the power cord, plug it back, monitor with the and then turn On the monitor. joystick • Check whether the OSD menu is locked.
SuperSpeed USB 5 Gbps (USB 3.2 Gen1) interface is slow Wireless USB peripherals stop working when a USB 3.2 device is plugged in • 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. • Increase the distance between the USB 3.
Appendix WARNING: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards. For information on safety instructions, see the Safety Environment and Regulatory Information (SERI). FCC notices (U.S. Only) and other regulatory information For FCC notices and other regulatory information, see the regulatory compliance website located at www.dell.com/regulatory_compliance.
