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Article Number: 000143893

How to Use and Troubleshoot the Dell P2418HT Monitor

Summary: Learn how to use and troubleshoot the Dell P2418HT monitor. Find information on setting up the monitor, running diagnostics, troubleshooting steps to common issues and answers to some frequently asked questions. ...

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Article Content

Symptoms

Article summary: This article provides information on how to use & troubleshoot your Dell P2418HT monitor, key features of Dell P2418HT monitor, technical specifications, how to setup your Dell P2418HT monitor, how to find the documentation or manuals for Dell P2418HT monitor, how to reset the monitor to factory default settings and troubleshooting steps to resolve common issues on Dell P2418HT monitor.

Table of Contents

Key features of Dell P2418HT monitor

The Dell P2418HT monitor has an active matrix, thin film transistor (TFT), liquid crystal display (LCD), and LED backlight. The monitor features include:

  • 1920 x 1080 (16:9 aspect ratio) resolution, plus full-screen support for lower resolutions.
  • Tilt and swivel adjustment capability.
  • Extensive digital connectivity with DP, VGA, HDMI, and USB 3.0 helps future-proof your monitor.
  • Supports up to 10 touch-points.
  • Optimize eye comfort with a flicker-free screen and ComfortView feature which minimizes blue light emission.
  • Energy gauge shows the energy level being consumed by the monitor in real time.
  • 0.3 W standby power when in the sleep mode.
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Monitor specifications

This section provides some specifications of the Dell P2418HT monitor. For more information about the Dell P2418HT monitor, refer to the User Guide at the Dell Support website.

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Setting up your Dell P2418HT monitor

This section provides information on how to setup your monitor.

  • Attaching the stand - Refer to the Setting Up The Monitor section in the User's Guide on Connecting the Stand to your Dell P2418HT monitor.
  • Connecting the monitor - Refer to the knowledge-base article How to Connect a Monitor to a Computer?. Alternatively, you can also refer to the Setting Up The Monitor in the User's Guide for your Dell P2418HT monitor.
  • Ports & Connectors - Refer to the User's Guide for your Dell P2418HT monitor for more information on the Ports & Connectors available on your Dell P2418HT monitor.
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Using the On-Screen Display (OSD) menu

Use the buttons at the bottom of the monitor to access the On-Screen Display (OSD) menu of the monitor. To access the On-Screen Display (OSD) menu, press Button 3 at the bottom of the monitor.

For more information on Using the On-Screen Display (OSD) Menu, refer to the Operating Your Monitor section in the User's Guide for Dell SE2717H/SE2717HX monitor.

SLN304864_en_US__1icon Note: Any changes you make are automatically saved when you move to another menu item, exit the OSD menu, or wait for the OSD menu to automatically close.
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Dell LCD monitor pixel guidelines

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, refer to the Dell knowledge-base article Dell LCD Monitor Pixel Guidelines.

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Reset to factory settings

To reset your Dell P2418HT monitor to factory default settings, follow these instructions:

  1. Press Button 3 (Figure 3)on the monitor to enter the On-Screen Display (OSD) Menu.
  2. Press Button 1 or Button 2 to highlight Others option in the menu and press Button 3 to select.
  3. Press Button 1 or Button 2 to highlight Factory Reset option in the menu and press Button 3 to select.
  4. Press Button 3 to confirm the reset action.
SLN304864_en_US__2I_P2418HT_FP_Button_TM_V1
Figure 1: Front Panel Buttons
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How to run the monitor self-test?

It is always essential to isolate the monitor while troubleshooting your computer for the following scenarios:

  • No Power - Your computer is not powering ON or showing any signs of power.
  • No POST - Your computer is not showing any indication of activity, the screen might be blank and will not display the Dell logo during start-up.
  • No Video - You are unable to see any display on the screen, able to hear the windows chime but no display is seen.

Your Dell P2418HT Monitor provides a self-test feature that allows you to check whether the monitor is functioning properly. If the 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. Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove the video cables (VGA, DVI, HDMI or DisplayPort) from the back of the computer.
  3. Turn on the monitor.
    SLN304864_en_US__1icon Note: A floating dialog box should appear on the screen (against a black background). This indicates that the monitor is working correctly. While in self-test mode, the power LED remains white.
  4. Turn off your monitor and reconnect the video cable: then turn on both your computer and the monitor.
  5. If your monitor screen remains blank after you use the previous procedure, check your video card (GPU) and computer, because your monitor is functioning properly.
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How to run the built-in diagnostics?

Your Dell P2418HT monitor has a built-in diagnostic tool that helps to determine if the screen abnormality you are experiencing is a problem with the monitor or with the video card on your computer.

When you notice screen abnormalities like distortion, clarity issues, horizontal or vertical lines, color fade etc., it is always a good practise to isolate the monitor by running the built-in diagnostics.

SLN304864_en_US__1icon Note: You can run the built-in diagnostics only when the video cable is unplugged and the monitor is in self-test mode.
  1. Make sure that the screen is clean (no dust particles on the surface of the screen).
  2. Unplug the video cable(s) from the back of the computer or the monitor. The monitor will now enter self-test mode.
  3. On the front panel, press and hold Button 1 for 5 seconds. A gray screen appears.
  4. Carefully inspect the screen for abnormalities.
  5. Press Button 1 on the front panel again. The color of the screen changes to red.
  6. Inspect the display for any abnormalities.
  7. Repeat step 5 and step 6 to inspect the display in green, blue, black, white and text screens.
  8. The test is complete when the white screen appears.
  9. Press Button 1 to exit the Built-In diagnostics.
SLN304864_en_US__1icon Note: If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card (GPU) and the computer.
If you notice any abnormalities during Built-In Diagnostics, you may get the monitor repaired/replaced if it is under warranty by contacting Dell Technical Support.
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Troubleshooting

Troubleshooting common issues with Dell P2418HT monitor

Common Problem What User Experiences Possible Solution
No Video - Power LED Off No picture
  • Make sure that the power cable connecting the monitor is properly connected and secure.
  • Verify that the power outlet is functioning properly using any other electrical equipment.
  • Make sure that the power button is depressed fully.
  • Test with known good cable and known good system if possible.
No Video - Power LED On No picture or no brightness.
  • Increase the brightness and contrast of the monitor through On-Screen Display Menu (OSD).
  • Perform monitor self-test feature check.
  • Check for bent or broken pins in the video cable connector.
  • Reseat both ends of video cable.
  • Try with known good video cable.
  • Run the built-in diagnostics.
  • Make sure that the correct input source is selected via the Input Source Select button.
  • Test monitor with known good system if available.
Poor Focus Picture is fuzzy, blurry or ghosting.
Shaky/Jittery Video Wavy picture or fine movement.
Missing Pixels LCD screen has spots.
  • Cycle power on-off.
  • Pixel that is permanently off is a natural defect that can occur in LCD technology.
  • Run the built-in diagnostics.
Stuck-On/Off Pixels LCD screen has bright spot.
  • Cycle power on-off.
  • A few permanently bright or dark pixels are considered normal by industry standards. The exact number of pixels allowed varies depending on the monitor. Refer to Dell LCD Pixel Guidelines for more details.
  • Run the built-in diagnostics.
Brightness Problems Picture too dim or too bright.
Geometric Distortion Screen not centered correctly.
SLN304864_en_US__1icon When using DisplayPort input, the positioning adjustments are not available.
Horizontal/Vertical Lines Screen has one or more lines.
SLN304864_en_US__1icon When using DisplayPort input, the positioning adjustments are not available.
Synchronization Problems Screen is scrambled or appears torn.
  • Reset the monitor to the Factory Settings.
  • Perform Auto Adjust via On-Screen Display Menu (OSD).
  • Adjust Phase and Pixel Clock controls via On-Screen Display Menu (OSD).
  • Perform monitor self-test feature check 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 power safe mode.
Safety-Related Issues Visible signs of smoke or sparks.
  • Do not perform any troubleshooting steps.
  • Contact Dell Technical Support immediately.
Intermittent Problems Monitor malfunctions on and off.
  • Make sure that the video cable is connected properly with the monitor and the computer.
  • Reset the monitor to the Factory Settings.
  • Run the self-test feature and determine if the intermittent problem occurs in the self-test mode.
Missing Color Picture does not have color.
  • Run the monitor self-test feature check.
  • Make sure that the video cable connecting the monitor to the computer is connected properly and is secure.
  • Check for bent or broken pins in the video cable connector.
Wrong Color Picture color is not good.
  • Change the color-setting mode in the Color Settings On-Screen Display Menu (OSD) to Graphics or Video, depending on the application.
  • Try a different color preset setting in the Color Settings On-Screen Display Menu (OSD).
  • Adjust the R, G, B value in the Color Settings OSD, if Color Management is turned off.
  • Change the input color format to PC RGB or YPbPr in the Color Settings On-Screen Display Menu (OSD).
  • Run the built-in diagnostic tool.
Image Retention from a Static Image Left on the Monitor for a Long Period Faint shadow from the static image appears on the screen.
  • Use the Power Management feature to turn off the monitor when it is not in use.
  • Alternatively, use a dynamically changing screensaver.
  • Use LCD Conditioning feature under Other Settings to eliminate image retention.

Troubleshooting touch issues on Dell P2418HT monitor

Specific Symptoms What User Experiences Possible Solution
Touch report error Touch function miss alignment or no touch function
  • Use the Dell provided USB cable to connect your computer.
  • Make sure the power cable has a ground pin.
  • Unplug and replug the power cable from the power adapter to allow auto‑recalibration of the touch module.
  • Make sure the computer supports USB 2.0 or later.
  • If the display cannot be detected by the computer, power off/on the monitor or unplug and replug the USB cable.
Touchscreen non-responsive in power-save mode Cannot wake up monitor and computer by using touch in power-save mode
  • Access Device Manager, expand HID Interface Device under Human Device
  • Right-click HID-compliant device, click Properties and select the check-box to allow the device to wake the computer.
Windows 7, Windows 8, Windows 8.1 and Windows 10 Calibration Cursor does not accurately follow your finder when you touch the screen
  • Open Control Panel, open Hardware and Sound, and then open Tablet PC Settings.
  • Select Calibration.
  • Follow the instructions to recalibrate your screen.

Troubleshooting issues with USB ports on Dell P2418HT monitor

Specific Symptoms What User Experiences Possible Solution
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).
  • Switch Off and then turn On the monitor again.
  • Reboot the computer.
  • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer.
SuperSpeed USB 3.0 interface is slow SuperSpeed USB 3.0 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.

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Documentation

To view or download the User's Guide or Manuals for your Dell P2418HT monitor, follow these instructions:

  1. Visit the Dell Manuals website.
  2. Click View Products button under Browse for a Product.
  3. Select Monitors & Projectors and then Select Monitors.
  4. From the list, click on Dell P2418HT monitor.
  5. Click on PDF next to the required document.
    • Click on More Languages to view the list of available language options.
    • Click on PDF next to the preferred choice of language.
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Frequently asked questions

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Using Windows Display Settings

In Windows 7, Windows 8, Windows 8.1 and Windows 10:

  1. For Windows 8 and Windows 8.1 only, select the Desktop tile to switch to classic desktop view.
  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

Using Nvidia Control Panel

To change the resolution using the Nvidia Control Panel:

  1. Right-click on the desktop and click Nvidia Control Panel.
  2. Click the + symbol next to Display on the left pane.
  3. Select Change Resolution under Display.
  4. In the dropdown menu on the right pane, select the resolution 1920 x 1080.
  5. Click Apply.

Using AMD Catalyst Control Center

To change the resolution using the Nvidia Control Panel:

  1. Right-click on the desktop and click Nvidia Control Panel.
  2. Click the + symbol next to Display on the left pane.
  3. Select Change Resolution under Display.
  4. In the dropdown menu on the right pane, select the resolution 1920 x 1080.
  5. Click Apply.
Note: If you do not see the recommended resolution as an option, you may need to update the video card (GPU) driver by visiting the Dell Support website.

To reset the Dell P2418HT monitor to factory defaults, refer to the Reset to Factory Settings section of this article.

For best practices, follow these instructions in the list below while unpacking, cleaning, or handling your monitor:
  • To clean your anti-static screen, lightly dampen a soft, clean cloth with water. If possible, use a special screen-cleaning tissue or solution suitable for the anti-static coating. Do not use benzene, thinner, ammonia, abrasive cleaners, or compressed air.
  • Use a lightly-dampened, soft cloth to clean the monitor. Avoid using detergent of any kind as some detergents leave a milky film on the monitor.
  • If you notice white powder when you unpack your monitor, wipe it off with a cloth.
  • Handle your monitor with care as a darker-colored monitor may get scratched and show white scuff marks more than a lighter- colored monitor.
  • To help maintain the best image quality on your monitor, use a dynamically changing screen saver and turn off your monitor when not in use.
Warning: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet.

For more information about safety instructions for Dell P2418HT monitor, refer to the User Guide at the Dell Manuals website.

 

Article Properties

Affected Product

Dell P2418HT

Last Published Date

21 Feb 2021

Version

4

Article Type

Solution

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