DELL E2423HN 24 Inch Monitor User Manual

DELL E2423HN 24 Inch Monitor

Service Manual Versions and Revision

Important Safety notice

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 computer at the same time. It is recommended to route the cables through the cable-management slot before you connect them to the monitor.
NOTE: Dell monitors are designed to work optimally with Dell supplied inbox cables. Dell does not guarantee the video quality and performance when using non-Dell cables.

To connect your monitor to the computer:

1. Turn off your computer and disconnect the power cable.
2. Connect DP or HDMI or VGA cable from your monitor to the computer.

Exploded view diagram with list of items

NOTE:
For replacement of power cord, connectivity cable and external power supply (if applicable), contact Dell:

1. Go to https://www.dell.com/support.
2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom-right corner of the page.
3. Click Contact Us next to the country dropdown.
4. Select the appropriate service or support link based on your need.
5. Choose the method of contacting Dell that is convenient for you

Wiring connectivity diagram

How to connect & disconnect power cable/connectivity cables

WARNING: For your safety, be sure that the grounded power outlet you plug the power cord into easily accessible to operator and located as close to the equipment as possible. To disconnect power from the equipment, unplug the power cord from the power outlet by grasping the plug firmly. Never pull on the cord.

WARNING: A certified power supply cord has to be used with this equipment. The relevant national installation and/or equipment regulations shall be considered. A certified power supply cord not lighter than ordinary polyvinyl chloride flexible cord according to IEC 60227 (designation HO5VV-F 3G 0.75mm? or HO5VVH2-F2 3G 0.75mm-) shall be used. An alternative flexible cord is synthetic rubber.

NOTE: Do not connect all cables to the computer at the same time. It is recommended to route the cables through the cable-management slot before you connect them to the monitor.

NOTE: Dell monitors are designed to work optimally with Dell supplied inbox cables. Dell does not guarantee the video quality and performance when using non-Dell cables.

To connect your monitor to the computer:

1. Turn off your computer and disconnect the power cable.
2. Connect VGA or DP or HDMI cable from your monitor to the computer.

Connecting VGA cable

Connecting HDMI Cable

List of tools / equipment

1. Philips-head screwdriver
2. Hex-head screwdriver

Disassembly and Assembly Procedures

NOTE:
This “Disassembly and Assembly Procedures” is for EMEA only, not for other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors.

Troubleshooting instructions

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 monito.

2. Disconnect all video cables from the monitor. This way, the computer does not have to be involved.

3. Turn on the monitor.
   If the monitor is working correctly, it detects that there is no signal and one of the following message appears. While in self-test mode, the power LED remains white.
   NOTE: This message also appears during normal operation, when the video cable is disconnected or damaged.

4. Turn off your monitor and reconnect the video cable; then turn on your computer and the monitor. If your monitor remains dark after you reconnect the cables, check your video controller and computer.

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.

Label Description

1. Button 1
2. Button 2
3. Button 3
4. Button 4

To run the built-in diagnostics:

1. Ensure that the screen is clean (no dust particles on the surface of the screen).

2. Press and hold Button 4 for about 4 seconds and wait for a pop up menu

3. Use Button 1 or 2 to select the and press to confirm.
   A gray test pattern appears at the beginning of the diagnostic program.

4. Carefully inspect the screen for abnormalities.

5. Press Button 1 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. When in White color test screen, check for white color uniformity and if there white color appears greenish/reddish, etc.

8. Press Button 1 to end the diagnostic program.

Common problems
The following table provides general information about common monitor problems you might encounter and the possible solutions:

Product-specific problems

Documents / Resources

| DELL E2423HN 24 Inch Monitor [pdf] User Manual
E2423HN 24 Inch Monitor, E2423HN, 24 Inch Monitor, Monitor
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| DELL E2423HN 24 Inch Monitor [pdf] User Guide
E2423H, E2423HN, 24 Inch Monitor, E2423HN 24 Inch Monitor, Monitor
| DELL E2423HN 24 Inch Monitor [pdf] User Guide
E2423HN 24 Inch Monitor, E2423HN, 24 Inch Monitor, Monitor

References

• Support | Dell US

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