Dell E2726HS (DELL-E2726HS) service manual

Contents

1. Safety instructionsp. 4

   Use the following safety guidelines to protect your monitor from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure in…

2. Before working inside your monitorp. 5

   Steps 1. Save and close all open files and exit all running applications. 2. Turn off your monitor. 3. Disconnect your monitor and all attached devices from…

3. After working inside your monitorp. 5

   CAUTION: Leaving stray or loose screws inside your monitor may severely damage it. Steps 1. Replace all screws and ensure that no stray screws remain inside…

4. Views of E2726HS monitorp. 6

   Front view 1 Figure 1. Front view Table 1. Components and descriptions. Label Description Function 1 Power LED Indicator Solid white light indicates that the…

5. Front viewp. 6

   Figure 1. Front view Table 1. Components and descriptions. Label Description Function 1 Power LED Indicator Solid white light indicates that the monitor is…

6. Back viewp. 7

   2 3 4 6 5 7 Figure 2. Back view Table 2. Components and descriptions. Label Description Function 1 VESA mounting 4 holes (100 mm x 100 mm) - behind attached…

7. Side viewp. 7
8. Bottom viewp. 8

   3 4 6 5 1 1 7 Figure 4. Bottom view Table 3. Components and descriptions. Label Description Function 1 Built-in speakers Provides audio output. 2 Security-lock…

9. Major components of E2726HS monitorp. 9

   The following image shows the major components of monitor. Figure 5. Major Components of E2726HS monitor Table 4. Major components. Callout Description Callout…

10. Wiring connectivity diagramp. 10

    Figure 6. Wiring connectivity diagram Table 5. Wiring connectivity diagram. Callout Description 1 Lightbar cable 2 Low Voltage Differential Signaling (LVDS)…

11. Connecting your monitorp. 11

    WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. WARNING: For your safety, be sure that the grounded power…

12. Connecting the DisplayPort cable (Optional)p. 11

    DP DP Figure 7. Connecting the DisplayPort cable

13. Connecting the HDMI cablep. 11

    HDMI Figure 8. Connecting the HDMI cable

14. Connecting VGA cable (Optional)p. 12

    VGA VGA Figure 9. Connecting the VGA cable

15. Disassembly and reassemblyp. 13

    CAUTION: The information in this section is intended for authorized service technicians in the EMEA region. Dell prohibits users from disassembling the…

16. Recommended toolsp. 13

    Tool Description: • Phillips screwdriver #0 • Phillips screwdriver #2 • Nut driver 5 mm • Penknife

17. Screw listp. 13

    NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This…

18. Standp. 14

    Removing the stand Prerequisites 1. Follow the procedure in Before working inside your monitor. Figure 10. Removing the stand Steps 1. Place the monitor on a…

19. Back coverp. 16

    Removing the back cover Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. Figure 12. Removing the back cover…

20. Speakersp. 18

    Removing the speakers Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. Figure 14.…

21. LED boardp. 20

    Removing the LED board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

22. Keypad boardp. 22

    Removing the keypad board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

23. Main chassisp. 24

    Removing the main chassis Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

24. Main boardp. 26

    Removing the main board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove…

25. Troubleshootingp. 28
26. Self-testp. 28

    Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly…

27. Built-in diagnosticsp. 29

    Your monitor includes a built-in diagnostic tool to help you identify whether the screen abnormality is due to an issue with the monitor itself or with your…

28. Common problemsp. 30

    The following table contains general information about common monitor problems that you might encounter and the possible solutions: WARNING: The monitor LCD…

29. Contacting Dellp. 32

    To contact Dell for sales, technical support, or customer service issues, see Contact Support at Dell Support Site. NOTE: Availability varies by country or…

30. Revision Historyp. 33

    The following table provides the revision history of this document: Table 8. Revision history Revision Date Description A00 November 2025 Original publish date.