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Summary of Contents for Dell SE2225HM
- Page 1 Dell 22 Monitor SE2225HM User’s Guide Model: SE2225HM Regulatory model: SE2225HMo February 2025 Rev. A00...
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Page 2: Notes, Cautions, And Warnings
A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2025 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners. -
Page 3: Table Of Contents
Contents Safety instructions ..............5 About your monitor . - Page 4 Contacting Dell ........
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Page 5: Safety Instructions
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. -
Page 6: About Your Monitor
About your monitor Package contents The following table provides the list of components that are shipped with your monitor. 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 may not be available in certain countries. -
Page 7: Product Features
This monitor is certified with TüV Rheinland Eye Comfort 3.0 with a 3-star rating. It incorporates key technologies that also • deliver a flicker-free screen, up to 100 Hz refresh rate, a color gamut of minimum 72% NTSC. Dell ComfortView Plus feature is enabled by default on your monitor. - Page 8 About TÜV Rheinland Eye Comfort 3.0 TÜV Rheinland Eye Comfort 3.0 certification program presents a consumer- friendly star rating scheme to the display industry promoting eye wellness from safety to eye care. Compared to existing certifications, the 5-star-rating program adds rigorous testing requirements on overall eye care attributes such as low blue-light, flicker-free, refresh rate, color gamut, color accuracy and ambient light sensor performance.
- Page 9 Table 3. Eye Comfort 3.0 requirements Eye Comfort 3.0 requirements and star rating scheme for monitors Star rating scheme Category Test item 3-star 4-star 5-star TÜV Hardware LBL TÜV Hardware LBL TÜV Hardware LBL Low Blue Light Category III (≤50%) or Category II (≤35%) or Category II (≤35%) or Software LBL solution...
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Page 10: Operating System Compatibility
Operating system compatibility • Windows 10, Windows 11, and later versions* *The operating system compatibility on Dell and Alienware branded monitors may vary based on factors such as: • Specific release dates when operating system versions, patches, or updates are available. -
Page 11: Back View
List the regulatory approvals. Regulatory label (including MyDell QR See this label if you must contact Dell for technical support. The Service Tag code, serial number, and Service Tag is a unique alphanumeric identifier that allows Dell service technicians to label) identify your monitor's specifications and access warranty information. -
Page 12: Side View
Side view Figure 3. Side view of the monitor Bottom view, without monitor stand Figure 4. Bottom view of the monitor Table 6. Bottom view of descriptions. Label Description HDMI port Connect to your computer with the HDMI cable. VGA port Connect to your computer with the VGA cable. Power port To connect the monitor power cable. -
Page 13: Monitor Specifications
Monitor specifications Table 7. Monitor specifications. Description Value Screen type Active matrix-TFT LCD Panel type Vertical Alignment (VA) Technology Viewable area Diagonal 544.9 mm (21.5 in.) Active area Horizontal 478.66 mm (18.84 in.) Vertical 260.28 mm (10.25 in.) Area 124585 mm² (193.11 in.²) Pixel pitch Horizontal 0.2493 mm... -
Page 14: Resolution Specifications
Resolution specifications Table 8. Resolution specifications. Description Value Horizontal scan range HDMI 30 kHz to 111 kHz (automatic) 30 kHz to 82 kHz (automatic) Vertical scan range HDMI 50 Hz to 100 Hz (automatic) 50 Hz to 76 Hz (automatic) Maximum preset resolution HDMI 1920 x 1080 up to 100 Hz 1920 x 1080 up to 60 Hz... -
Page 15: Electrical Specifications
Electrical specifications Table 11. Electrical specifications. Description Value Video input signals • Analog RGB: 0.7 V ± 5 %, 75 Ω input impedance. HDMI 1.4 (HDCP 1.4), 600 mV for each differential line, 100 Ω input impedance per differential • pair. AC input voltage/frequency/ 100 VAC to 240 VAC/50 Hz or 60 Hz ±... -
Page 16: Physical Characteristics
NOTE: Dell monitors are designed to work optimally with the video cables that are shipped with your monitor. As Dell does not have control over the different cable suppliers in the market, the type of material, connector, and process that is used to manufacture these cables, Dell does not guarantee video performance on cables that are not shipped with your Dell monitor. -
Page 17: Environmental Characteristics
Environmental characteristics Table 13. Environmental characteristics. Description Value Temperature Operating 0°C to 40°C (32°F to 104°F) Non-operating -20°C to 60°C (-4°F to 140°F) (Storage/Shipping) Humidity Operating 10% to 80% (non-condensing) Non-operating 5% to 90% (non-condensing) (Storage/Shipping) Altitude Operating (maximum) 5,000 m (16,400 ft) Non-operating (maximum) 12,192 m (40,000 ft) Thermal dissipation... -
Page 18: Pin Assignments
Pin assignments HDMI port Figure 5. HDMI port Table 14. Pin assignments (HDMI port). Pin Number Signal Assignment TMDS DATA 2+ TMDS DATA 2 SHIELD TMDS DATA 2- TMDS DATA 1+ TMDS DATA 1 SHIELD TMDS DATA 1- TMDS DATA 0+ TMDS DATA 0 SHIELD TMDS DATA 0- TMDS CLOCK+ TMDS CLOCK SHIELD... -
Page 19: Vga Port
VGA port 10 9 8 15 14 13 12 11 Figure 6. VGA port Table 15. Pin assignments (VGA port). Pin Number Signal Assignment Video-Red Video-Green Video-Blue Self-test GND-R GND-G GND-B DDC +5 V GND-sync DDC data H-sync V-sync DDC clock About your monitor... -
Page 20: Plug-And-Play Capability
During the LCD monitor manufacturing process, it is normal 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 about Dell Monitor Quality and Pixel Policy, see www.dell.com/pixelguidelines. -
Page 21: Ergonomics
Ergonomics CAUTION: Improper or prolonged usage of a keyboard may result in injury. CAUTION: Viewing the monitor screen for extended periods of time may result in eye strain. For comfort and efficiency, observe the following guidelines when setting up and using your computer workstation: Position your computer so that the monitor and keyboard are directly in front of you as you work. -
Page 22: Handling And Moving Your Display
Handling and moving your display To ensure that the monitor is handled safely when lifting or moving it, follow the guidelines that are mentioned below: Before moving or lifting the monitor, turn off your computer and the monitor. • Disconnect all cables from the monitor. •... -
Page 23: Maintenance Guidelines
For best practices, follow the instructions in the list below when unpacking, cleaning, or handling your monitor: Use a clean cloth that is slightly dampened with water to clean the stand assembly, the screen, and the chassis of your Dell •... -
Page 24: Setting Up The Monitor
Setting up the monitor Connecting the stand NOTE: The stand is not attached when the monitor is shipped from the factory. NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the setup instructions that were included with the stand. - Page 25 3. Hold the riser and monitor with both hands as shown below and lift carefully, then place on a flat surface. Figure 13. Hold the stand riser and lift the monitor 4. Lift the protective cover from the monitor. Figure 14. Lift the protective cover from the monitor Setting up the monitor...
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Page 26: Connecting Your Monitor
Do not connect all cables to the computer simultaneously. 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. -
Page 27: Securing Your Monitor Using Kensington Lock (Optional)
Securing your monitor using Kensington lock (optional) The security-lock slot is located at the bottom of the monitor (see Security-lock slot). Secure your monitor to a table using the Kensington security lock. For more information about using the Kensington lock (sold separately), see the documentation that is shipped with the lock. Figure 17. Using Kensington lock NOTE:... -
Page 28: Removing The Monitor Stand
Removing the monitor stand NOTE: To prevent scratches on the LCD screen when removing the stand, ensure that the monitor is placed on a soft surface and handle it carefully. NOTE: The following instructions are applicable only for the stand that was shipped with your monitor. If you are removing a stand that you purchased from any other source, follow the setup instructions that are included with the stand. -
Page 29: Vesa Wall Mounting (Optional)
VESA wall Mounting (optional) Figure 21. VESA wall Mounting See the instructions that come with the VESA-compatible base mounting kit. 1. Set the monitor panel on a soft cloth or cushion on a stable, flat surface. 2. Remove the stand. 3. Secure the mounting bracket from the wall mounting kit to the monitor. 4. -
Page 30: Operating Your Monitor
Operating your monitor Turning on the monitor Press the button to turn on the monitor. Figure 23. Turn on the monitor Using the front panel controls Use the control buttons at the front of the monitor to adjust the image being displayed. 4 5 6 Figure 24. Front panel controls... -
Page 31: Using The Osd Lock Function
Using the OSD lock function You can lock the control buttons to prevent access to the OSD menu and/ or power button. Table 17. Control buttons description. Control buttons Description Press and hold these control buttons for 10 seconds to lock or unlock the access to the OSD menu. -
Page 32: Using The On-Screen Display (Osd) Menu
Using the On-Screen Display (OSD) menu Accessing the OSD menu NOTE: Any changes that you make are automatically saved when you move to another menu, exit the OSD menu, or wait for the OSD menu to close automatically. 1. Press the button to display the OSD main menu. - Page 33 Table 18. OSD Tree list. Icon Menu and submenus Description Auto Adjust Adjust the Horizontal Position, Vertical Position, Phase (Fine Tune) and Clock (H. Size) of the screen. NOTE: Only available for D-SUB input. A u t o A d j u s t C o n t r a s t / B r i g h t n e s s I n p u t S o u r c e...
- Page 34 Icon Menu and submenus Description Input Source Use the Input Source menu to switch between the different video signals that may be connected to your monitor. I n p u t S o u r c e V G A H D M I A u t o 1 : E x i t...
- Page 35 Icon Menu and submenus Description Information When you select Information, details such as Model Name, Input Source, Resolution, H. Frequency, V. Frequency, Pixel Clock, and Service Tag are displayed. I n f o r m a t i o n M o d e l : S E 2 2 2 5 H M I n p u t S o u r c e : H D M I R e s o l u t i o n : 1 9 2 0 X 1 0 8 0...
- Page 36 Icon Menu and submenus Description Setup Menu When you select Setup Menu, you can choose Language Select, OSD Position, OSD Time Out, OSD Background and Self-Diagnostic from the list. S e t u p M e n u L a n g u a g e O S D P o s i t i o n O S D...
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Page 37: Osd Warning Messages
OSD warning messages The following Power warning message box applies to OSD functions for the first time. N o t e : C h a n g i n g O S D s e t t i n g s m a y i n c r e a s e p o w e r c o n s u m p t i o n . -
Page 38: Setting The Maximum Resolution
If you have a Dell desktop or laptop: Go to www.dell.com/support, enter your service tag, and download the latest driver for your graphics card. • If you are using a non-Dell computer (laptop or desktop): •... -
Page 39: Troubleshooting
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. -
Page 40: Built-In Diagnostics
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. Figure 30. Built-in diagnostics function buttons Table 19. Label description Label Description Button 1... -
Page 41: Common Problems
Cycle power On-off. • A pixel that is permanently off is a natural defect that can occur in LCD technology. • For more information about Dell Monitor Quality and Pixel Policy, see Dell Support site at: • www.dell.com/pixelguidelines. Stuck-on pixels Cycle power On-off. -
Page 42: Product-Specific Problems
Common symptoms Possible solutions Intermittent problems Ensure that the video cable connecting the monitor to the computer is connected properly • and is secure. Reset the monitor to Factory Settings (Factory Reset). • • Perform a monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. -
Page 43: Regulatory Information
Regulatory information FCC notices (U.S. only) and other regulatory information For FCC notices and other regulatory information, see the regulatory compliance at www.dell.com/regulatory_compliance EU product database for energy label and product information sheet https://eprel.ec.europa.eu/qr/2187041 Regulatory information... -
Page 44: Contacting Dell
Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active internet connection, you can find contact information about your purchase invoice, packing slip, bill, or Dell product catalog.
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