Wedge your fingers between the rear cover and themiddle bezel on the corners of the top side of themonitor to release the rear cover, then use one handto press the middle bezel, the other hand to pull upcarefully the rear cover in order of arrow preferencefor unlocking mechanisms of rear cover..Use a Philips-head screwdriver to remove 6pcsscrews for unlocking mechanisms.(No.1~4 screw size=M4x11; Torque=7 8kgfxcm;No.5~6 screw size=M4x8; Torque=7 8kgfxcm)~~S5Take out all of the QSG,accessories including HDMIcable, power cable, CD&user’s manual, stand base,stand riser and EEI label from the carton. (Note: Itdepends on whether users returning the accessories)S2Open the Pizza carton with a proper tool.1. Disassembly Procedures:S6S4S1Take out of thefrom the carton, then take out the monitor fromthe EPE bag and put it on a protective cushion.molded pulp with base, riser andcoverS31 DELL S2721H142 2riserbase2 34 156Tear off 2pcs acetate tapes and then disconnect thespeaker cable away from the connector. Use aPhilips-head screwdriver to remove 6pcs screws forunlocking the speakers with middle bezel.(No.1~6 screw size=M3x8, Torque=5~6kgfxcm)QSGuser’s manualHDMI cablepower cableVESA cover