Contents Chapter 1: Safety Instructions ............................5 Before working inside your monitor ..........................6 After working inside your monitor ..........................6 Chapter 2: Disassembly and reassembly- E2225HSM ....................7 Recommended tools ................................ 7 Screw list .................................... 7 Stand ....................................8 Removing the stand ..............................
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Installing the keypad board ............................. 44 Interface board ................................45 Removing the interface board ..........................45 Installing the interface board ..........................48 Power board ..................................51 Removing the power board ............................. 51 Installing the power board ............................52 Chapter 4: Contacting Dell ............................53 Contents...
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 in this document assumes that you have read the safety information that shipped with your monitor.
Before working inside your monitor Steps Save and close all open files and exit all open applications. Turn off your monitor. Disconnect your monitor and all attached devices from their electrical outlets. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and dock from your monitor. CAUTION: To disconnect a network cable, first unplug the cable from your monitor and then unplug the cable from the network device.
Disassembly and reassembly- E2225HSM NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools Phillips screwdriver #2 Nut driver 5 mm Plastic scribe Screw list 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.
Stand Removing the stand Prerequisites Follow the procedure in Before working inside your monitor. Steps Press the release button and tilt the stand upwards till the stand is separated from the monitor head. Open the screw handle at the bottom of the stand base, then turn the screw anti-clockwise to unscrew it. Remove the stand riser from the stand base.
Installing the stand Steps Align and place the stand riser on the stand base. Open the screw handle at the bottom of the stand, then turn the screw clockwise to secure the stand riser to the stand base. Close the screw handle at the bottom of the stand. Attach the stand to the monitor.
Back cover Removing the back cover Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Steps Remove the two screws (M4x10) that secure the back cover to the chassis assembly. Only two screws must be removed to take off the back cover. NOTE: Using the plastic scribe, pry the back cover starting from the bottom edge of the monitor.
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Figure 4. Removing the back cover Disassembly and reassembly- E2225HSM...
Installing the back cover Steps Hold the back cover above the chassis assembly. Connect the speaker cable to the connector on the interface board. Adhere the tape that secures the speaker cable to the display panel. Place and snap the back cover into place on the chassis assembly.
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Figure 6. Installing the back cover Next steps Install the stand. Follow the procedure in After working inside your monitor. Disassembly and reassembly- E2225HSM...
Speakers Removing the speakers Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Steps Release the speaker cable from the cable management slots on the back cover. Remove the speakers from the back cover. Figure 7.
Installing the speakers Steps Attach the speakers onto the back cover. Secure the speaker cable to the cable management slots on the back cover. Figure 8. Installing the speakers Next steps Install the back cover. Install the stand. Follow the procedure in After working inside your monitor.
Chassis assembly Removing the chassis assembly Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Steps Remove the two screws (M3x3) that secure the chassis assembly to the display panel. Peel the tape at the bottom left corner of the monitor.
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Figure 10. Removing the chassis assembly Disassembly and reassembly- E2225HSM...
Installing the chassis assembly Steps Align and place the chassis assembly on the display panel. Connect the LVDS cable to the connector on the display panel. Replace the two screws (M3x3) that secure the chassis assembly to the display panel. Adhere the four aluminum foils to the chassis assembly.
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Figure 12. Installing the chassis assembly Next steps Install the speakers. Install the back cover. Install the stand. Follow the procedure in After working inside your monitor. Disassembly and reassembly- E2225HSM...
Keypad board Removing the keypad board Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Remove the chassis assembly. Steps Remove the keypad board from the slot on the display middle-frame. Peel the keypad cable from the panel shielding.
Installing the keypad board Steps Align and place the keypad board onto the display middle-frame. Adhere the keypad cable on the panel shielding. Figure 14. Installing the keypad board Next steps Install the chassis assembly. Install the speakers. Install the back cover.
Interface board Removing the interface board Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Remove the chassis assembly. Remove the keypad board. Steps Remove the two hex screws from the VGA port. Remove the mylar and peel the thermal pad from the chassis assembly.
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Figure 16. Removing the interface board Disassembly and reassembly- E2225HSM...
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Figure 17. Removing the interface board Disassembly and reassembly- E2225HSM...
Installing the interface board Steps Connect the LVDS cable to the connector on the interface board. Connect the power cable to the connector on the interface board. Align and place the interface board and power board to the chassis. Replace the five screws (M3x6) to secure the interface board to the chassis assembly. Replace the screw (M4x9) to secure the power board to the chassis assembly.
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Figure 19. Installing the interface board Disassembly and reassembly- E2225HSM...
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Figure 20. Installing the interface board Next steps Install the keypad board. Install the chassis assembly. Install the speakers. Install the back cover. Install the stand. Follow the procedure in After working inside your monitor. Disassembly and reassembly- E2225HSM...
Power board Removing the power board Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Remove the chassis assembly. Remove the keypad board. Remove the interface board. Steps Disconnect the lightbar cable from the connector on the power board. Figure 21.
Installing the power board Steps Connect the lightbar cable to the connector on the power board. Figure 22. Installing the power board Next steps Install the interface board. Install the keypad board. Install the chassis assembly. Install the speakers. Install the back cover.
Disassembly and reassembly- E2425HSM NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools Phillips screwdriver #2 Nut driver 5 mm Plastic scribe Screw list 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.
Stand Removing the stand Prerequisites Follow the procedure in Before working inside your monitor. Steps Press the release button and tilt the stand upwards till the stand is separated from the monitor head. Open the screw handle at the bottom of the stand base, then turn the screw anti-clockwise to unscrew it. Remove the stand riser from the stand base.
Installing the stand Steps Align and place the stand riser on the stand base. Open the screw handle at the bottom of the stand, then turn the screw clockwise to secure the stand riser to the stand base. Close the screw handle at the bottom of the stand. Attach the stand to the monitor.
Back cover Removing the back cover Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Steps Remove the two screws (M4x10) that secure the back cover to the chassis assembly. Only two screws must be removed to take off the back cover. NOTE: Using the plastic scribe, pry the back cover starting from the bottom edge of the monitor.
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Figure 26. Removing the back cover Disassembly and reassembly- E2425HSM...
Installing the back cover Steps Hold the back cover above the chassis assembly. Connect the speaker cable to the connector on the interface board. Adhere the tape that secures the speaker cable to the display panel. Place and snap the back cover into place on the chassis assembly.
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Figure 28. Installing the back cover Next steps Install the stand. Follow the procedure in After working inside your monitor. Disassembly and reassembly- E2425HSM...
Speakers Removing the speakers Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Steps Release the speaker cable from the cable management slots on the back cover. Remove the speakers from the back cover. Figure 29.
Installing the speakers Steps Attach the speakers onto the back cover. Secure the speaker cable to the cable management slots on the back cover. Figure 30. Installing the speakers Next steps Install the back cover. Install the stand. Follow the procedure in After working inside your monitor.
Chassis assembly Removing the chassis assembly Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Steps Remove the four screws (M3x3) that secure the chassis assembly to the display panel. Peel the tape at the bottom left corner of the monitor.
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Figure 32. Removing the chassis assembly Disassembly and reassembly- E2425HSM...
Installing the chassis assembly Steps Align and place the chassis assembly on the display panel. Connect the LVDS cable to the connector on the display panel. Replace the four screws (M3x3) that secure the chassis assembly to the display panel. Adhere the two aluminum foils to the chassis assembly.
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Figure 34. Installing the chassis assembly Next steps Install the speakers. Install the back cover. Install the stand. Follow the procedure in After working inside your monitor. Disassembly and reassembly- E2425HSM...
Keypad board Removing the keypad board Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Remove the chassis assembly. Steps Remove the keypad board from the slot on the display middle-frame. Peel the keypad cable from the panel shielding.
Installing the keypad board Steps Align and place the keypad board onto the display middle-frame. Adhere the keypad cable on the panel shielding. Figure 36. Installing the keypad board Next steps Install the chassis assembly. Install the speakers. Install the back cover.
Interface board Removing the interface board Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Remove the chassis assembly. Remove the keypad board. Steps Remove the two hex screws from the VGA port. Remove the mylar and peel the thermal pad from the chassis assembly.
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Figure 38. Removing the interface board Disassembly and reassembly- E2425HSM...
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Figure 39. Removing the interface board Disassembly and reassembly- E2425HSM...
Installing the interface board Steps Connect the LVDS cable to the connector on the interface board. Connect the power cable to the connector on the interface board. Align and place the interface board and power board to the chassis. Replace the five screws (M3x6) to secure the interface board to the chassis assembly. Replace the screw (M4x9) to secure the power board to the chassis assembly.
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Figure 41. Installing the interface board Disassembly and reassembly- E2425HSM...
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Figure 42. Installing the interface board Next steps Install the keypad board. Install the chassis assembly. Install the speakers. Install the back cover. Install the stand. Follow the procedure in After working inside your monitor. Disassembly and reassembly- E2425HSM...
Power board Removing the power board Prerequisites Follow the procedure in Before working inside your monitor. Remove the stand. Remove the back cover. Remove the speakers. Remove the chassis assembly. Remove the keypad board. Remove the interface board. Steps Disconnect the lightbar cable from the connector on the power board. Figure 43.
Installing the power board Steps Connect the lightbar cable to the connector on the power board. Figure 44. Installing the power board Next steps Install the interface board. Install the keypad board. Install the chassis assembly. Install the speakers. Install the back cover.
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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