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Dell P2424HEB Monitor Usage and Troubleshooting Guide

Summary: This article provides information about how to set up and use the Dell P2424HEB monitor. Learn how to troubleshoot common display or video issues with the Dell P2424HEB monitor.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Instructions

Dell P2424HEB

Quick Links

Getting Started with your Dell P2424HEB Monitor Dell P2424HEB Monitor Setup, Specifications and Service Manual Dell Drivers & Downloads Warranty and Support Services Frequently Asked Questions
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The key features of the Dell P2424HEB monitor are:

The Dell P2424HEB monitor has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), and LED backlight. The monitor features include:

  • 60.47 cm (23.8 in.) active area display (measured diagonally) 1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions.
  • Wide viewing angles with 99% sRGB color.
  • Tilt, swivel, pivot, and vertical extension adjustment capabilities.
  • Built-in speakers (2 x 5 W).
  • Removable pedestal stand and Video Electronics Standards Association (VESA) 100 mm mounting holes for flexible mounting solutions.
  • Ultra-thin bezel minimizes the bezel gap during multi-monitor usage, enabling easier set up with an elegant viewing experience.
  • Extensive digital connectivity with DisplayPort (DP) helps future-proof your monitor.
  • Single USB Type-C to supply power to a compatible laptop while receiving video signal.
  • USB-C and RJ45 ports enable a single-cable, network-connected experience.
  • Plug-and-play capability if supported by your computer.
  • On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
  • Power and OSD buttons lock.
  • Security lock slot.
  • Stand lock.
  • The monitor is designed with a Dell Power Button Sync (DPBS) feature to control the computer power state from the monitor power button*.
  • The monitor allows multiple monitors that are daisy chained using DisplayPort to synchronize a pre-defined group of OSD settings in the background by Multi-Monitor Sync (MMS).
  • Premium Panel Exchange for peace of mind.
  • Optimize eye comfort with a flicker-free screen and ComfortView Plus feature.
  • This monitor uses low blue light panel. When the monitor is reset to factory settings or default setting (Preset mode: Standard), it works in compliance with TUV Rheinland (hardware solutions provider).
  • Decreases the level of hazardous blue light emitted from the screen to make viewing more comfortable for your eyes.
  • The monitor adopts Flicker-Free technology, which clears the eye-visible flicker, brings a comfortable viewing experience, and prevents users from suffering eye strain and fatigue.
  • Certified for Microsoft Teams and Zoom.
  • Certified for Windows Hello (Face Authentication) and supports Microsoft Cortana.
  • Additional customization using Dell Peripheral Manager/Dell Display Manager (DDM) for Windows operating system and Dell Display and Peripheral Manager (DDPM) for Mac operating system.

* Dell computers that support DPBS are listed on the Dell website. DPBS function can be enabled in the OSD menu under Display.

WARNING: The possible long-term effects of blue light emission from the monitor may cause damage to the eyes, which includes but is not limited to eye fatigue and digital eyestrain. The ComfortView Plus feature is designed to reduce the amount of blue light emitted from the monitor to optimize eye comfort.

This section provides some technical specifications of the Dell P2424HEB monitor. For more information, see the user manual of the Dell P2424HEB monitor.

Table 1: Technical specifications of the Dell P2424HEB monitor
Screen type Active matrix - TFT LCD
Panel type In-plane switching technology
Aspect ratio 16:9
Viewable image dimensions: Diagonal 60.47 cm (23.8 in)
Active area: Horizontal 527.04 mm (20.75 in)
Active area: Vertical 296.46 mm (11.67 in)
Area 156246.28 mm1 (242.18 in1)
Pixel pitch 0.2745 mm x 0.2745 mm
Viewing angle: Horizontal 178° (typical)
Viewing angle: Vertical 178° (typical)
Brightness 250cd/m1 (typical)
Contrast ratio 1000 to 1 (typical)
Display screen coating Anti-glare treatment of the front polarizer (3H) hard coating
Backlight LED
Response time (gray to gray)
  • 5 millisecond (Fast mode)
  • 8 millisecond (Normal mode)
Color depth 16.78 million colors
Color gamut2 99% sRGB
Connectivity
  • 1 x DP 1.2 (HDCP 1.4)
  • 1 x HDMI 1.4 (HDCP 1.4)1
  • 1 x USB Type-B (USB 3.2 Gen1 upstream port)
  • 1 x USB Type-C (Alternate mode with DisplayPort 1.2, USB 3.2 Gen1 upstream port, Power Delivery (PD) up to 90 W)
  • 1 x USB Type-C downstream (15 W), USB 3.2 Gen1 (5 Gbps)
  • 1 x DP (Out) with MST
  • 2 x super speed USB 5 Gbps (USB 3.2 Gen1)
  • 1 x super speed USB 5 Gbps (USB 3.2 Gen1) with BC 1.2 charging capability at 2 A (max)
  • 1 x 3.5 mm headphone jack
  • 1 x RJ45
Border width (edge of monitor to active area): Top:  36.30 mm
Border width (edge of monitor to active area): Left/Right:  5.50 mm
Border width (edge of monitor to active area): Bottom:  17.20 mm
Height adjustable stand 150 mm
Tilt -5° to 21°
Swivel -45° to 45°
Pivot -90° to 90°
Slant adjust Not applicable
Cable management Yes
Dell Display Manager (DDM) compatibility Easy Arrange and other key features
Security Security lock slot (cable lock sold separately)

1 At panel native only, under Custom Mode preset
2 Supports up to FHD 1920 x 1080 at 60 Hz as per specified in HDMI 1.4

For the best viewing experience, assemble the monitor stand, connect and organize the cables, and set up the monitor ergonomically.

Attaching the stand

The standard monitor stand is detached when it is shipped from the factory. To learn how to attach the standard monitor stand, see the user manual of the Dell P2424HEB monitor.

To learn how to set up any other monitor stand or monitor arm, see the setup guide of the product.

CAUTION: Do not remove the monitor from the packaging box before attaching the stand.
NOTE: The stand is not installed at the factory when shipped.

Ergonomics

Where you put your monitor is almost as important as what model you buy.

  • The monitor must be directly in front of you, at an arm’s length away (between 20 inches to 40 inches from your eyes).
  • The top edge of the screen must be set at eye level when you are sitting comfortably. Adjust your chair height or the height of the monitor to achieve this.
  • Position your computer so that the monitor and keyboard are directly in front of you as you work. Special shelves are commercially available to help you correctly position your keyboard.
  • To reduce the risk of eye strain and neck/arm/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 inches to 28 inches (50 cm to 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 feet away for at least 20 seconds during the breaks.
    5. Perform stretches to relieve tension in the neck, arms, back, and shoulders during the breaks.
  • Ensure that the monitor screen is at eye level or slightly lower when you are sitting in front of the monitor.
  • Adjust the tilt of the monitor, its contrast, and brightness settings.
  • Adjust the ambient lighting around you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen.
  • Use a chair that provides good lower-back support.
  • Keep your forearms horizontal with your wrists in a neutral, comfortable position while using the keyboard or mouse.
  • Always leave space to rest your hands while using the keyboard or mouse.
  • Let your upper arms rest naturally on both sides.
  • Ensure that your feet are resting flat on the floor.
  • When sitting, ensure that the weight of your legs is on your feet and not on the front portion of your seat. Adjust your chair's height or use a footrest if necessary to maintain a proper posture.
  • Vary your work activities. Try to organize your work so that you do not have to sit and 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 cables that may interfere with comfortable seating or present a potential trip hazard.

Connecting your monitor to the computer

To connect your Dell P2424HEB monitor to your computer:

WARNING: Read and follow Safety Precautions When Working with Electronic and Electrical Equipment.
NOTE:
  • Dell monitors are designed to work optimally with the Dell supplied cables inside the box. Dell does not guarantee the video quality and performance if non-Dell cables are used.
  • Route the cables through the cable-management slot before connecting them.
  • Do not connect all the cables to the computer simultaneously.
  • The P2424HEB default setting is DisplayPort 1.2. A DisplayPort 1.1 graphics card may not display normally. Reference No image when using DP connection to in Common Troubleshooting Steps for more information.
  1. Turn off the computer.
  2. Connect the power cable to the monitor.
  3. Connect the video cable (USB-C, DisplayPort, or HDMI) between the computer and the monitor.
    NOTE: Setting up the monitor with a Dell docking station? Learn How to Connect and Set Up a Docking Station With a Dell Laptop.
    NOTE: Setting up more than one monitor? Learn How to Set up Dual Monitors or Multiple Monitors or see the user manual of the Dell P2424HEB monitor.
  4. Connect the USB upstream cable between the monitor and computer (if available).
  5. Turn on the monitor.
  6. Turn on the computer.

For additional product-specific information, see the user manual of the Dell P2424HEB monitor.

CAUTION: 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 setup instructions that were included with the stand.

When setting up your Dell P2424HEB monitor, ensure that the front panel buttons are at the bottom right.

Using the tilt, swivel, and vertical extension

The monitor stand allows you to tilt and swivel the monitor to set the most comfortable viewing angle.

Using Tilt and Swivel on Dell P2424HEB monitor
Figure 1: Using Tilt and Swivel on a Dell P2424HEB monitor.

NOTE: The stand is detached when the monitor is shipped from the factory.

Use the buttons on the monitor to access the on-screen display (OSD) menu of the monitor. To access the on-screen display (OSD) menu, press the joystick (Figure 2) at the back of the monitor.

To learn more about navigating through the on-screen display (OSD) menu, see the user manual of the Dell P2424HEB monitor.

NOTE: The monitor automatically saves any changes that you make. Whenever you move to another menu item, exit the OSD menu, or wait for the OSD menu to automatically close.

Dell P2424HEB using the joystick controls
Figure 2: Dell P2424HEB using the joystick controls.

To modify the OSD adjustments using the joystick control on the rear end of the monitor, do the following:

  1. Move the joystick to open the OSD Menu Launcher.
  2. Move the joystick up, down, center, left, or right to switch between the OSD menu options.
    • Tap the joystick up to open the Main Menu.
    • Tap the joystick left or right to select the appropriate shortcut keys.
    • Tap the joystick down to exit.

Dell P2424HEB rear panel controls
Figure 3: Dell P2424HEB back panel controls

Table 2: Buttons on the Dell P2424HEB monitor
Button Function Description
Menu Shortcut key: Menu Use this Menu button to launch the on-screen display (OSD) and select the OSD menu.
Preset modes Shortcut key: Preset Modes Use this button to choose from a list of preset color modes.
Brightness and Contrast Shortcut key: Brightness and Contrast Use this button to adjust the brightness and contrast. Minimum is 0 (-). The maximum is 100 (+).
Display info Shortcut key: Display Info Use this button to select the input source.
Aspect ratio Shortcut key: Aspect Ratio Use the MENU button to launch the On-Screen Display (OSD).
Input source Shortcut key: Input Source Use the MENU button to launch the On-Screen Display (OSD).
Exit Exit Use this button to exit the OSD main menu.

Use the buttons on the front of the monitor to adjust the image settings.

Dell P2424HEB front panel controls
Figure 4: Dell P2424HEB front panel controls

Table 3: Buttons on the Dell P2424HEB monitor front panel.
Button Function Description
Up and down Up and Down Use the Up (increase) and Down (decrease) buttons to adjust items in the OSD menu.
Previous Previous Use the Previous button to go back to the previous menu.
Next Next Use the Next button to confirm your selection.
Tick Tick Use the Tick button to confirm your selection.

Resetting a monitor to factory defaults can help resolve many video or display-related issues. Reset your Dell P2424HEB monitor to factory default settings by following these steps:

  1. Open the on-screen display (OSD) menu.
  2. Open the Others adjustment in the OSD menu.
  3. Select Factory Reset.

Dell P2424HEB factory reset
Figure 5: Dell P2424HEB factory reset

A diagnostic test helps determine if a Dell monitor is normal when faced with a blank screen, blurry image, flickering or other abnormalities.

Verify that the monitor is working correctly by running a diagnostic test if you experience the following symptoms.

  • Your computer does not turn on or shows any sign of power.
  • Your computer does not show any indication of activity, the screen is blank and does not display the Dell logo during start-up.
  • Your computer gets stuck at the Dell logo screen or does not respond to any keys during start-up.
  • You cannot see any display on the screen.
  • You hear the windows chime, but the monitor screen is blank.

Self-Test Feature Check

Your Dell P2424HEB monitor provides a self-test feature check that allows you to check if the monitor is functioning properly. When the monitor is connected to the computer but the screen stays dark, run the monitor self-test by following these steps:

  1. Turn off the computer and the monitor.
  2. Unplug the video cable from the back of the computer. To ensure proper self-test operation, disconnect the video cable (VGA, DVI, HDMI, DisplayPort, or USB-C cable) from the back of the computer.
  3. Turn on the monitor. A 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, the dialog box scrolls through the screen.
  4. This box also appears during normal system operation, if the video cable becomes disconnected or damaged.
  5. Turn off the monitor and reconnect the video cable.
  6. Turn on the computer and the monitor.

If the screen remains blank, check the video card (GPU) and computer, because the monitor is functioning properly.

Built-In Self-Test or Built-In Diagnostics

Your Dell P2424HEB monitor has an integrated diagnostic tool. Hardware diagnostic helps determine if the screen abnormality issue is with the monitor or the video card on your computer.

If you observe any screen anomalies, you should separate the monitor by performing the built-in diagnostics (BID).

  1. Ensure that the screen is clean with no dust particles on the surface of the screen.
  2. Select OSD items of Self-Diagnostics in Others feature.
  3. Press the joystick button to start the diagnostics. A gray screen is displayed.
  4. Observe if the screen has any defects or abnormalities.
  5. Click the joystick once again until a red screen is displayed.
  6. Observe if the screen has any defects or abnormalities.
  7. Repeat steps 5 and 6 until the screen displays green, blue, black, and white colors. Note any abnormalities or defects.

If you do not detect any screen abnormalities in the diagnostics test, the monitor is functioning properly. Check the video card (GPU) and the computer.

If you notice any abnormalities in the diagnostics test, contact Dell Technical Support for repair options.

During the manufacturing process, it is not uncommon for one or more pixels to get stuck in an unchanging state. Such pixel issues are hard to see and do not affect the display quality or usability. Learn more about Dell Display Pixel Guidelines.

The following table contains information about troubleshooting common display-related issues on your Dell P2424HEB monitor.

Alternatively, learn How to Troubleshoot Display or Video Issues on a Dell Monitor or check our Dell monitor self-help guide.

Table 4: Troubleshooting common display issues on Dell P2424HEB monitor.
Common Problem What User Experiences Possible Solution
No Video - Power LED Off No picture.
  • Connect the power cable securely to the monitor.
  • Verify that the power outlet is functioning properly by using any other electrical equipment.
  • Press the power button.
  • Test with a known-good cable and a known-good computer if possible.
  • Ensure that the correct input source is selected in the Input Source menu.
No Video - Power LED On No picture or no brightness.
Missing Pixels LCD screen has spots.
  • Turn off the monitor and then turn on the monitor after a few minutes.
  • A pixel that is permanently off is a natural defect that can occur in LCD technology.
  • Run the built-in diagnostic (BID) test.
Stuck On/Off Pixels LCD screen has a bright spot.
Brightness Problems Picture too dim or too bright.
Safety-Related Issues Visible signs of smoke or sparks.
Intermittent Problems The monitor malfunctions on and off.
Missing Color The picture does not have color.
Wrong Color Picture color is not good.
Image Retention from a Static Image Left on the Monitor for a Long Period A faint shadow from the static image appears on the screen.
  • 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 settings.
  • Alternatively, use a dynamically changing screensaver.
The microphone or webcam does not work USB cable not plugged in or not selected as the correct USB source, or monitor microphone and webcam is not set as the default device.
  • Plug in the USB Cable (Type-A to Type-B or Type-C to Type-C), and if you connect both USB-C ports, switch the USB source in the OSD menu.
  • Select the monitor Microphone and webcam as the default from the computer side.
  • Touch the microphone button and make sure the microphone mute LED is dark.
The screen image is too small. The image is centered on the screen, but does not fill the entire viewing area.
Cannot adjust the monitor with the joystick control on the rear of the monitor OSD does not appear on the screen.
  • Turn off the monitor, unplug the monitor power cable, plug it back, and then turn on the monitor.
No Input Signal when user controls are pressed. No picture, the power LED light is white.
  • Check the signal source. Ensure that the computer is not in power-saving mode by moving the mouse or pressing any key on the keyboard.
  • Connect the video cable securely between the monitor and the computer.
  • Restart the computer.
The picture does not fill the entire screen. The picture cannot fill the height or width of the screen.
No image when using a DisplayPort (DP) connection to the computer Blank screen
  • Verify which DP standard that your graphics card is certified to. Download and install the latest graphics card driver.
  • Some DP 1.1a graphics cards cannot support DP 1.2 or 1.4 monitors.
No image when using a USB Type-C connection to the computer Blank screen
  • Verify if the USB Type-C interface of the device can support DP alternate mode.
  • Verify if the device required more than 90 W power charging.
  • The USB Type-C interface of the device cannot support DP alternate mode.
  • Set Windows to Projection mode.
  • Ensure that the USB Type-C cable is not damaged.
No charging when using USB Type-C connection to the computer No charging
  • Verify if the device can support one of the 5 V/9 V/15 V/20 V charging profiles.
  • Verify if the Notebook requires a >90 W power adapter.
  • If the Notebook requires a >90 W power adapter, it may not charge with the USB Type-C connection.
  • Ensure that you use only the Dell approved adapter or the adapter that comes with the product.
  • Ensure that the USB Type-C cable is not damaged.
Intermittent charging when using USB Type-C connection to the computer Intermittent charging
  • Check if the maximum power consumption of the device is over 90 W.
  • Ensure that you use only the Dell approved adapter or the adapter that comes with the product.
  • Ensure that the USB Type-C cable is not damaged.
No image when using USB Type-C MST Blank screen or second DUT is not Prime mode
  • USB Type-C input, go to OSD menu, under Display Info check that the Link Rate is HBR2 or HBR3. If the Link Rate is HBR2, use USB Type-C to DP cable to turn on MST.
No network connection Network dropped or intermittent
  • Do not turn Off or On the power button when the network is connected, keep the power button On.
The LAN port is not functioning Operating system setting or cable connection issue
  • Ensure that the latest BIOS and drivers for your computer are installed on your computer.
  • Ensure that the RealTek Gigabit Ethernet Controller is installed in the Windows Device Manager.
  • If your BIOS Setup has a LAN/GBE Enabled/Disabled option, make sure it is set to Enabled.
  • Ensure that the Ethernet cable is connected securely on the monitor and the hub, router, or firewall.
  • Check the status LED of the Ethernet cable to confirm connectivity. Re-connect both ends of the Ethernet cable if the LED is not lit.
  • First power off the Computer and unplug the Type-C cable and power cable of the monitor. Then power on the computer, plug in the monitor power cable and Type-C cable.
Monitor buttons (Mute, Volume down, Volume up, Hookswitch) not working with Microsoft Teams app Monitor buttons (Mute, Volume down, Volume up, Hookswitch) not working on the Microsoft Teams app with ChromeOS or Ubuntu
  • Use the Microsoft Teams app to perform the below tasks:
  • Call icon to accept or hang up a call
  • Volume down or Volume up adjustment
  • Mic mute or unmute
  • Video on or off.
Headset with microphone (3.5mm combo jack) not working with monitor mute and unmute button Headset with microphone (3.5mm combo jack) not working with monitor mute and unmute button
  • Use UC App (for example, Microsoft Teams, Skype for Business, Zoom, so forth) microphone icon to mute or unmute
  • Select the Echo Cancelling Speakerphone audio path in the Sounds Setting in the UC application.
  • Connect the USB-C to C cable or USB-A to B cable.
When pressing either Volume down, Volume up, or the Mute button, the LED does not blink When pressing either Volume down, Volume up, or the Mute button, the LED does not blink when connected to HDMI or DP only
  • Connect the USB-A to B cable.
Webcam or microphone not working Webcam or microphone not working when connected to HDMI or DP only
  • Connect the USB-A to B cable.
Ethernet port (RJ45) cannot connect to the Internet Ethernet port (RJ45) cannot connect to the Internet on Windows 10 or Windows 11
  • Change the LAN Controller Power Saving from Enable to Disable
No sound coming from the speakers No sound coming from the speakers when playing audio or video on your computer
  • Ensure that you have set the default playback device as Echo Cancelling Speakerphone or Dell P2424HEB on your computer
  • Turn off the monitor, unplug the monitor power cable, reconnect it, and then turn on the monitor.
  • Reset the monitor to factory settings.
The speaker volume is low or sounds soft Speaker volume is low or sounds soft when the speaker option is Dell P2424HEB in the Sound setting interface
  • Increase the speaker volume of the Dell P2424HEB to maximum in the Sound setting interface
  • Press the Volume Up button to increase the speaker volume of the Dell P2424HEB
  • If you select the Dell P2424HEB audio path, ensure that the Echo Cancelling Speakerphone volume is set to medium or high. Otherwise, the Dell P2424HEB maximum volume may sound soft because it is limited by the Echo Cancelling Speakerphone volume. For example, when the Echo Cancelling Speakerphone volume is at 50% and the Dell P2424HEB volume is set to 100%, it has the same sound level as the former.
No sound from speaker No sound from the monitor's speaker when in Teams or a Zoom call
  • Select the same audio path in the Teams or Zoom application as the operating system Sound setting.
Webcam is not detected Webcam is not detected in the Windows Device Manager
  • Ensure that the USB upstream cable is connected between the monitor and the computer or laptop.
  • Ensure that the Webcam & Presence Sensor in the OSD is set to Enable.
  • Reconnect the USB upstream cable to the computer or laptop
Webcam is not detected Webcam is not detected in the Dell Peripheral Manager for Windows software
  • To support the P2424HEB monitor, use the Dell Peripheral Manager version 1.7.0 or later.
Webcam cannot connect, or webcam is disconnected Could not detect the monitor camera or could not switch back to the computer camera
  • Reset the monitor to factory settings.
  • Turn off the monitor, unplug the monitor power cable, reconnect it, and then turn on the monitor.
  • Select the monitor camera again in the Camera/Video setting on your UC conference application
The microphone is muted The microphone is muted in the Windows Device Manager
  • Ensure that the USB upstream cable is connected between the monitor and the computer or laptop.
  • Ensure that the Microphone in OSD is set as Unmute.
  • Reconnect the USB upstream cable to the computer or laptop.
  • Ensure that the microphone is enabled or unmuted on the monitor. If the microphone mute LED is lighting up in static red (indicates microphone muted), press the microphone button to unmute the microphone.
  • Ensure that the monitor's microphone is selected and enabled and unmuted on the setting in the UC application
Microphone volume is low or sounds soft The microphone volume is low or sounds soft to the other participant when in an audio or video call
  • Ensure the Mute button's LED goes dark (indicates that the microphone is unmuted).
  • Adjust the distance between the user and the microphone. The user should avoid sitting too far away from the microphone. The optimal distance between the user and the microphone is 70 cm.
  • Ensure that the monitor's microphone is selected and enabled and unmuted on the setting in the UC application.
  • Increase the microphone volume in the Sound setting interface at the computer side (in the UC application).
Front buttons do not work No response on the UC application when pressing the buttons located on the speaker
  • Ensure that the USB upstream cable (Type-A to Type-B or Type-C to Type-C) is connected from the computer to the monitor.
  • For some UC platforms or applications, the Mute function works by pressing the Mute button, but the Mute icon on the UC platform is not synced (the icon shows unmute).
Webcam image looks over-exposed Webcam image shows over-exposed background
  • Adjust the environmental lighting conditions. Ensure that the monitor is set up at a well-lit environment, preferably under ceiling lights. The user should avoid a dim or dark background. Avoid directly facing a window with bright sunlight.
  • Alternatively, you may use Dell Peripheral Manager to adjust the webcam setting for color.
Webcam image looks grainy or dark Webcam image appears grainy or dark
  • Adjust the environmental lighting conditions. Ensure that the monitor is set up in a well-lit environment, preferably under ceiling lights. Avoid a dim environment.
Webcam image looks blurry Webcam image appears blurry or unclear
  • Use a clean and slightly damp cloth to wipe the surface of the front webcam.
  • Adjust the distance between the user and the camera. The user should avoid sitting too far away from the camera. The optimal distance between the user and the camera is 70 cm.
Teams microphone volume Teams microphone volume is lower than Zoom
  • This is normal behavior as the volume specifications are different between Teams and Zoom.
Teams or Zoom small window distorted Teams or Zoom small window image distorted
  • This is normal behavior. The resolution of the small images are compressed when the main image is in high resolution (2 K). If a lower resolution (720 P & 1080 P) is selected, there is not any difference between the images.
Image quality is poor The image quality of the monitor is poor

Image quality is always poor:

  • 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.

Image quality is sometimes poor:

  • Network affects the image quality. Ensure that your network is fine.
The proximity sensor does not work Presence detection or wake up is not working
  • When using Teams or Zoom, the wake-up function is not working is normal.
  • It works when not using Teams or Zoom.
The recording video is blurred out Change monitor camera resolution to 480p, record with the camera app, save, and play back the recording. A mosaic shows in the video.
  • Change monitor camera resolution to 720p or higher.
The USB device cannot work on a second monitor

Platform connects to dock with USB-C cable

Connect the first monitor with DP cable and a USB-A to USB-C cable to the dock

Connect DP cable from the first monitor (DP out) to the second monitor (DP port)

Connect USB A-C cable from the first monitor (USB-A) to the second monitor (USB-C).

The USB device cannot work on the second monitor.
  • Exceeding USB hub topology
  • Workaround:
    Option 1: Without the dock, directly connect the computer and the two monitors.
    Option 2: If a dock is needed, do not use the USB hub of the second monitor.
Notebook not charging using USB-C Notebook less than 180 W not charging when connected to P2424HEB monitor USB-C port
  • Connect the laptop with the power adapter
The notebook cannot power on When the laptop battery is at 0%, the laptop cannot power on when connecting USB-C cable to the monitor.
  • Connect the laptop with the power adapter
The wireless mouse does not work smoothly and pauses Connect USB upstream cable to the DUT. More than one meter away, a 2.4 GhZ mouse does not work.
  • Workaround:
    Option 1: Connect to Quick Access Port
    Option 2: Connect USB 2.4 GhZ dongle using USB-A male to female cable (0.5 M)
A black screen shows up on monitor after MacBook restarting computer under lid closing When you close the lid of your MacBook and restart your MacBook, the monitor shows a black screen.
  • Move the mouse or press the keyboard to wake up the MacBook
  • Turn on the monitor setting of fast wake-up from Personalize, Fast Wakeup, and then On.

The following table contains information about troubleshooting USB issues on your Dell P2424HEB monitor.

Table 5: Troubleshooting USB issues on Dell P2424HEB monitor.
Troubleshooting USB Issues
Specific Symptoms What User Experiences Possible Solution
USB interface is not working. USB devices are not working.
  • Check that your monitor is turned On.
  • Reconnect the upstream cable to your computer.
  • Reconnect the USB devices (downstream connector).
  • Switch Off and then turn On the monitor again.
  • Reboot the computer.
  • Some USB devices such as an external hard drive require a higher electric current, connect the device directly to the computer.
Super-Speed USB 3.2 gen1 interface is slow. Super-Speed USB 3.2 gen1 devices 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 devices (downstream connector).
  • Reboot the computer.
Wireless USB devices stop working when a USB 3.0 device is plugged in. Wireless USB devices responding slowly or only working as the distance between itself and its receiver decreases.
  • Increase the distance between the USB 3.0 devices and the wireless USB receiver.
  • Position your wireless USB receiver as close as possible to the wireless USB devices.
  • Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.0 port.

Additional Information

Frequently Asked Questions

For more information, click to expand a section below.

NOTE: If you do not see the recommended resolution as an option, update the video card (GPU) driver of your Dell computer from https://www.dell.com/support/drivers or the video card (GPU) manufacturer's website. Learn How to Download and Install Dell Drivers.

Using Windows Display Settings

In Windows 11, and Windows 10:

  1. Right-click the desktop and click Screen Resolution.
  2. If you have more than one monitor connected, ensure that you select P2424HEB.
  3. Click the dropdown list of the Screen Resolution and select 1920 x 1080.
  4. Click Keep changes.

In Windows 8.1:

  1. Select the Desktop tile to switch to the classic desktop view.
  2. Right-click the desktop and click Screen Resolution.
  3. If you have more than one monitor connected, ensure that you select P2424HEB.
  4. Click the dropdown list of the Screen Resolution and select 1920 x 1080.
  5. Click OK.

The Dell P2424HEB monitor has two built-in diagnostics that are available:

  • Self-Test Feature Check - The self-test feature check on the Dell P2424HEB monitor allows you to check whether the monitor is functioning properly.

  • Built-In Self-Test - The Dell P2424HEB monitor has a built-in self-test that helps you identify if the screen abnormality is with the monitor or the video card (GPU) on your computer. When you notice screen abnormalities such as distortion, clarity, horizontal or vertical lines, color fade. It is always a good practice to separate the monitor by running the built-in diagnostics.

Learn how to run a diagnostic test on the Dell P2424HEB monitor.

The troubleshooting section of this article provides information about troubleshooting common issues with your Dell P2424HEB monitor.

This section has troubleshooting steps on how to resolve power issues, video issues, color or clarity issues, distortion issues, horizontal or vertical lines, brightness issues or pixel issues, and so on.

Learn how to access the on-screen display (OSD) menu on the Dell P2424HEB monitor. For additional product-specific information, see the user manual of the Dell P2424HEB monitor.

Information about the monitor such as the model number, firmware version, and Service Tag can be accessed using the on-screen display (OSD) menu of the monitor.

Learn how to access the on-screen display (OSD) menu on the Dell P2424HEB monitor. For additional product-specific information, see the user manual of the Dell P2424HEB monitor.

The USB-C port on your Dell P2424HEB supports USB Power Delivery, Data, and DisplayPort video signal. The USB-C port can be used for video and data signals, and supply power (90 W) to a compatible laptop using a single USB-C cable that is provided with the monitor.

NOTE: Dell P2424HEB can supply power using the USB-C cable only to a compatible laptop that supports Power Delivery (PD) over USB-C. Not all laptops with USB-C support Power Delivery. For more information, see the user manual or contact the laptop manufacturer.
NOTE: USB-C power delivery-compliant port (PD version 2.0) delivers up to 90 W of power. If your laptop requires more than 90 W to operate and the battery is drained, it is recommended you use the standard AC adapter of the laptop to power on and charge the laptop battery.

If you are using a Dell laptop that supports charging using USB-C, Dell Technologies recommends installing the latest BIOS and video card (GPU) driver. Learn How to Download and Install Dell Drivers.

For information about the supported orientation to set up the Dell P2424HEB monitor, see the monitor orientation section of this article.

Affected Products

Dell P2424HEB
Article Properties
Article Number: 000220664
Article Type: How To
Last Modified: 21 Dec 2023
Version:  1
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