For help with video or display issues such as: No video or no display, blank or black screen, flickering, resolution or color issues, horizontal or vertical lines, so forth, see an expanding section below.
The key features of the Dell C2422HE monitor are:
This section provides some specifications of the Dell C2422HE monitor. To learn more about the specifications of the Dell C2422HE monitor, see the User's Guide at the Dell Manuals website.
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Ensuring that your Dell monitor is set up properly. Assembling the monitor stand and setting up the monitor ergonomically. Connecting the cables and organizing them. This only helps make the viewing experience the best it can possibly be.
The standard monitor stand is detached when the monitor is shipped from the factory. To learn more about attaching the standard monitor stand. See the Setting Up the Monitor section in the User's Guide of your Dell C2422HE monitor.
To learn how to set up any other stand with a monitor, see the respective stand setup guide for setup instructions.
Where you put your monitor is almost as important as what model you buy. The monitor should be directly in front of you, at an arm’s length away (between 20 to 40 inches from your eyes). The top edge of the screen at eye level when you are sitting comfortably. You may want to adjust your chair height or the height of the monitor to achieve this.
To connect your Dell C2422HE monitor to your personal computer:
To learn more about connecting your monitor to the personal computer, see the Dell Knowledge Base article: How to Connect a Monitor to a Dell Computer.
Dell C2422HE monitor orientation must always be in landscape mode. This includes any wall-mounted monitors and monitors on a stand. In a multiple monitor setup, the Dell C2422HE should not be rotated either to 180° (landscape) or 90° (portrait).
When setting up your Dell C2422HE monitor, ensure that the monitor front panel buttons is on the bottom right.
With the stand attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle.
Figure 5: Using Tilt and Swivel on a Dell C2422HE monitor
Before you rotate the display, extend the display vertically until the top of the stand riser, and then tilt the display backwards until the maximum to avoid hitting the bottom edge of the display.
Figure 6: Rotating of Dell C2422HE
Use the joystick control on the rear of the monitor to make OSD adjustments.
Figure 1: Dell C2422HE Joystick Control
Joystick | Description |
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Resetting a monitor to factory defaults can help resolve many video or display issues. To reset your Dell C2422HE monitor to factory default settings, follow these instructions:
Figure 2: Dell C2422HE Front Panel Buttons
If your Dell monitor has a blank or black screen, fuzzy or blurry image, flickering, distorted or any other screen abnormalities, running a diagnostic test helps determine if the Dell monitor is functioning normally. To learn more about diagnostic options on a Dell monitor, see the Dell knowledge-base article: How do I run diagnostics on a Dell monitor?
It is always essential to isolate the monitor while troubleshooting your computer for the following scenarios:
Your Dell C2422HE Monitor provides a self-test feature check 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:
If the monitor does not sense a video signal and is working correctly, it should report a message advising that no video cable was detected:
Figure 2: No video cable detected
Your Dell C2422HE monitor has an integrated diagnostic tool. It 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, horizontal or vertical lines, color fade, it is always a good practice to isolate the monitor by running the Built-In Diagnostics.
The test is complete when the text screen appears. To exit, toggle the Joystick up again.
During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state. Which is hard to see and do not affect the display quality or usability. For more information, see the Dell Knowledge Base article Dell Display Pixel Guidelines.
This section provides information about troubleshooting steps that can help resolve the most common issues with the Dell C2422HE monitor. Alternatively, to learn more about troubleshooting common issues on Dell monitors, see the Dell Knowledge Base article Troubleshooting Display or Video Issues on a Dell Monitor.
Common Problem | What User Experiences | Possible Solution |
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No Video - Power LED Off | No image |
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No Video - Power LED On | No image or no brightness. |
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Missing Pixels | LCD screen has spots. |
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Stuck-On/Off Pixels | LCD screen has a bright spot. |
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Brightness Problems | Picture too dim or too bright. |
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Safety-Related Issues | Visible signs of smoke or sparks. |
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Intermittent Problems | The monitor malfunctions on and off. |
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Missing Color | The image does not have color. |
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Wrong Color | Picture color is not good. |
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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. |
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Mic/Webcam does not work. |
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Microsoft Teams/Skype for Business specific problems | ||
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Specific Symptoms | What User Experiences | Possible Solution |
The Teams button is not working. | A short press on the Teams button does not bring up the Teams application to the foreground. |
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The Hookswitch button is not working. | A short press on the Hookswitch button does not answer the call. |
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The Mute button is not working. | Press the Mute button does not mute or unmute the microphone. |
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Webcam no image | Webcam no image when using Skype for Business (SfB) |
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Webcam being occupied | The webcam being occupied and cannot be used. |
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Troubleshooting USB Issues | ||
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Specific Symptoms | What User Experiences | Possible Solution |
USB interface is not working. | USB peripherals are not working. |
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The super speed USB 3.2 Gen 1 interface is slow. | Superspeed USB 3.2 Gen 1 peripherals working slowly or not working at all |
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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. |
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USB is not working. | No USB functionalities |
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To learn more about how to view or download the User Guides and Manuals for your Dell product. See the Dell knowledge-base article Manuals and Documentation for your Dell Product.
Using Windows Display Settings
In Windows 10, Windows 8 or 8.1 and Windows 7:
Using Nvidia Control Panel
To change the resolution using the Nvidia Control Panel:
Using AMD Catalyst Control Center
To change the resolution using the AMD Catalyst Control Center:
To reset the Dell C2422HE Monitor to factory defaults, see the Reset to Factory Settings section of this article.
The Dell C2422HE monitor has two integrated diagnostics that are available:
To learn how to run a diagnostic test, see the Running Diagnostics on Dell C2422HE Monitor section of this Dell Knowledge Base article.
The Troubleshooting section of this Dell Knowledge Base article provides information about troubleshooting common issues with the Dell C2422HE monitor. The 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.
Use the joystick control on the rear of the monitor to make OSD adjustments.
Figure 1: Dell C2422HE Joystick Control
For more information about using the On-Screen Display (OSD) menu and different menu options. See the Operating Your Monitor section in the User's Guide of your Dell C2422HE monitor.
.Other monitor information like the model number, firmware version and Service Tag can be accessed from the monitor's OSD (On-Screen Display).
Dell C2422HE supports both DisplayPort 1.4 connectivity with your personal computer. If the video or graphics card (GPU) on your personal computer supports DisplayPort 1.2, it is required to change the monitor to DisplayPort 1.2 mode.
Figure 1: Dell C2422HE Power Button and OSD Joystick
Dell C2422HE supports both HDMI 2.0 and HDMI 1.4 connectivity with your personal computer. If the video or graphics card (GPU) on your personal computer supports HDMI 1.4, it is required to change the monitor to HDMI 1.4 mode.
Figure 1: Dell C2422HE Power Button and OSD Joystick
USB Type-C port on your Dell C2422HE supports USB Power Delivery, Data, and DisplayPort video signal. The USB Type-C port can be used for video and data signal, and supply power (90 W) to a compatible laptop personal computer using a single USB Type-C cable that is provided with the monitor.
If you are using a Dell laptop personal computer that supports charging over USB Type-C. It is recommended to update the BIOS and Video or Graphics card (GPU) driver. To learn how to download and update a device driver, see the Dell knowledge-base article How to Download and Install Dell Drivers.
Dell C2422HE monitor orientation must always be in landscape mode. This includes any wall-mounted monitors and monitors on a stand. In a multiple monitor setup, the Dell C2422HE should not be rotated either to 180° (landscape) or 90° (portrait).
When setting up your Dell C2422HE monitor, ensure that the monitor front panel buttons is on the bottom right.
With the stand attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle.
Figure 5: Using Tilt and Swivel on a Dell C2422HE monitor
Before you rotate the display, extend the display vertically until the top of the stand riser, and then tilt the display backwards until the maximum to avoid hitting the bottom edge of the display.
Figure 6: Rotating of Dell C2422HE
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