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Dell S2721HN Monitor Teardown Instructions

Summary

S2721HN/NX Monitor Disassembly Procedures manual providing detailed teardown instructions. The guide includes step-by-step procedures for removing screws, separating rear cover, disconnecting cables, removing bezel, and detaching panel module with specific torque values and screw sizes for each component. Target users are repair technicians and service engineers performing monitor disassembly for repair or component recovery.

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Page 1 Text Content

S2721HN/NX

1. Disassembly Procedures: Use a Philips-head screwdriver to remove 6pcs screws for unlocking mechanisms.

Open the Pizza carton with a proper tool.

S4S1 (No.1~4 screw size=M4x11; Torque=7 8kgfxcm; No.5~6 screw size=M4x8; Torque=7 8kgfxcm)

Take out all of the QSG,accessories including HDMI

cable, power cable, CD&user’s manual, stand base, S2

Wedge your fingers between the rear cover and the

stand riser and EEI label from the carton. (Note: It

middle bezel on the corners of the top side of the

depends on whether users returning the accessories)

monitor to release the rear cover, then use one hand S5 label and paper to press the middle bezel, the other hand to pull up

HDMI cablepower cable carefully the rear cover in order of arrow preference user’s manual

for unlocking mechanisms of rear cover..

cover

riser

Take out of the molded pulp with base, riser and cover S3 from the carton, then take out the monitor from the EPE bag and put it on a protective cushion.

Tear off 1pcs acetate tape and then disconnect the panel lamp cable away from the connector of panel. S6 Tear off 2pcs aluminum foils, and then disconnect the function key cable away from the connector of the board.

Page Summary Contents For Dell S2721HN Monitor Teardown Instructions

Page 1 S2721HN/NX 1. Disassembly Procedures: Use a Philips-head screwdriver to remove 6pcs screws for unlocking mechanisms. Open the Pizza carton with a proper tool. S4S1 (No.1~4 screw size=M4x11; Torque=7 8...
Page 2 2S2721HN/NX Use a Philips-head screwdriver to remove 18pcs screws for unlocking the middle bezel. S7 (No.1~13 screw size=M3x4, Torque=3~4kgfxcm; No.14~18 screw size=M2x3.3, Torque=1±0.2kgfxcm) Tear of...
Page 3 S2721HN/NX Take away the bracket chassis module and then put S12 the bracket chassis module on a protective cushion. Remove the interface board and power board from S15 the bracket chassis module care...
Page 4 4S2721HN/NX Remove electrolyte capacitors (red mark) from S16-4 Take out bulk cap. pin solder with soldering iron and printed circuit boards. absorber. S16-1 Cut the glue between bulk cap. and PCB wit...
Page 5 S2721HN/NX 2. Product material information The following substances, preparations, or components should be disposed of or recovered separately from other WEEE in compliance with Article 4 of EU Counci...

Manual Details

Brand Dell
Pages 5
File Size 1.43 MB
Published June 25, 2026
11 views

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Frequently Asked Questions

What tools are required for disassembly?

A Philips-head screwdriver (#1, #2), a penknife, and soldering iron with absorber are needed.

How do I safely remove the laptop's rear cover?

Use hand force to separate the rear bezel from the stand riser and carefully disconnect cables. A user manual detailed procedure is provided.

Does this product contain hazardous materials that require special disposal?

Yes, it has printed circuit boards (surface > 10 cm²), external electric cables, and electrolyte capacitors (>25mm height/diameter).

What specific screws are used for the middle bezel assembly?

The middle bezel requires 18 screws: S7 (1-13) are M3x4 (Torque: 3-4kgfxcm), and S7 (14-18) are M2x3.3 (Torque: 1±0.2kgfxcm).

What is the detailed process for handling capacitors?

To remove bulk capacitors, use a soldering iron to desolder pins and cut the glue between the cap and PCB with a knife.