1DELL S2721QSB1. Disassembly ProceduresS1 Turn off the monitor.S2 Place the monitor on a soft cloth orcushion.Press and hold the stand release buttonat the back of the display.Lift the stand assembly up and awayfrom the monitor.S3 Unlock 4 screws on Rear Cover(Screw Torque: 8.5±1.0kgf)S4 Follow the sequence to disassembleRear Cover from the monitorS5 Tear off all adhesive tapes frombacklight wire and SPK wireS6 Unlock 6 SPK screwsPull out SPK wire from I/F BDDisassemble SPK from Middle Frame(Screw Torque: 4~6kgf)

Dell S2721QSB Quick Start Manual