Subscribe to Our Youtube Channel
Related Manuals for Dell SE2225HM
Summary of Contents for Dell SE2225HM
- Page 1 Dell 22 Monitor SE2225HM Simplified Service Manual Model: SE2225HM Regulatory model: SE2225HMo February 2025 Rev. A00...
-
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 ...........................4 Before working inside your monitor............................4 After working inside your monitor ............................4 Views of SE2225HM monitor ........................5 Front view .................................... 5 Back view .................................... 5 Side view ..................................... 6 Bottom view ..................................6 Major components ...........................7 Wiring connectivity diagram ........................9... -
Page 4: 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 5: Views Of Se2225Hm Monitor
Regulatory information List the regulatory approvals. Regulatory label (including MyDell See this label if you must contact Dell for technical support. The Service Tag QRcode, serial number, and Service Tag enables Dell service technicians to identify the hardware components in your label) computer and access warranty information. -
Page 6: Side View
Side view Figure 3. Side view of the monitor Bottom view Figure 4. Bottom view of the monitor Table 3. Bottom view 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 7: Major Components
Major components Figure 5. Major components... - Page 8 Display panel Front bezel NOTE: For the replacement of power cable, 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 upper-right corner of the page.
-
Page 9: Wiring Connectivity Diagram
Wiring connectivity diagram Figure 6. Wiring connectivity diagram Table 5. Wiring connectivity diagram Description Lightbar cable Keypad cable EDP cable... -
Page 10: Connecting The Cables
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 11: Disassembly And Reassembly
Disassembly and reassembly CAUTION: The information in this section is intended for authorized service technicians in the EMEA region. Dell prohibits users from disassembling the monitor, and any damage caused by unauthorized servicing will not be covered under the warranty. -
Page 12: Stand
Stand Removing the stand Prerequisites 1. Follow the procedure in Before working inside your monitor. Steps 1. Place the monitor on a soft cloth along the desk. 2. Use a long and thin screwdriver to push the release button. 3. While keeping the release button pressed, pull the stand assembly out from the monitor. 4. -
Page 13: Installing The Stand
Installing the stand Steps 1. Align the stand-riser bracket with the grooves at the back of the monitor. 2. Slide the stand assembly until it snaps into place. Figure 10. Installing the stand Next steps Follow the procedure in After working inside your monitor. -
Page 14: Back Cover
Back cover Removing the back cover Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Steps 1. Remove the screw (M3x8) that secures the back cover to the chassis. 2. Remove the screw (M3x6) that secures the back cover to the chassis. 3. -
Page 15: Installing The Back Cover
Installing the back cover Steps 1. Align the back cover with the chassis and snap it into place. NOTE: Align the screw holes on the back cover with the screw holes on the chassis assembly before applying slight pressure to the back cover. -
Page 16: Keypad Board
Keypad board Removing the keypad board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. Steps Pull out the keypad board from the deco card slot. Open the latch and disconnect the keypad board cable from the connector on the keypad board. Lift and remove the keypad board away from the back cover. -
Page 17: Installing The Keypad Board
Installing the keypad board Steps 1. Slide the keypad board cable into its connector on the keypad board and close the latch to secure it in place. 2. Slide the keypad board firmly into the slot at an angle and press keypad board down until it clicks into place. Figure 14. Installing the keypad board Next steps... -
Page 18: Interface Board Assembly
Interface board assembly Removing the interface board assembly Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove the keypad board. Steps 1. Remove the two screws (M3x5) that secure the interface board assembly to the display panel. 2. -
Page 19: Installing The Interface Board Assembly
Installing the interface board assembly Steps 1. Connect the EDP cable to the display panel. 2. Adhere the tape that secures the EDP cable connector to the display panel. 3. Connect lightbar board cable to the display panel. 4. Adhere the tapes that secure the lightbar board cable to the display panel. 5. -
Page 20: Interface Board
Next steps 1. Install the keypad board. 2. Install the back cover. 3. Install the stand. 4. Follow the procedure in After working inside your monitor. Interface board Removing the interface board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. -
Page 21: Installing The Interface Board
Installing the interface board Steps 1. Slide the EDP cable into its connector on the interface board and close the latch to secure it in place. 2. Slide the keypad board cable into its connector on the interface board and close the latch to secure it in place. 3. -
Page 22: 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 23: 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 19. Built-in diagnostics function buttons Table 7. Label description. Label Description Button 1... -
Page 24: 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 25: 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 26: 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...
Need help?
Do you have a question about the SE2225HM and is the answer not in the manual?
Questions and answers