1DELL U2722D/DXUse a Philips-head screwdriver to remove 4pcsscrews for unlocking mechanisms. Remove DP cap.(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)Take out all accessories including label(optinal), QSG,Delta-E paper, DP cable, USB C to C cable(Type-Ccable), USB A to C cable(USB cable), power cable,manual from the carton. (Note: It depends on whetherusers returning the accessories)S2Open the carton with a proper tool.1. Disassembly Procedures:S1Take out the monitor from EPE-bag and put the LCDmonitor on a protective cushion.Take out the paper top with base from the carton,then take out the monitor and stand from the carton.S3S4S5Wedge your fingers between 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.S6S73212Lift the rear cover up carefully. Disconnect thejoystick key cable and Usb EDP cable from theconnectors of the interface board, and then removethe rear cover.Use a Philips-head screwdriver to remove 2pcsscrew for unlocking the key board, then tear off thetapes and release the key board.(No.1~2 screw size=M2x2.4, Torque=0.8~1kgfxcm)S82 34 1baseDelta_E paperQSGUSB A to C cableDP cablepower cableUSB C to C cable manualmonitorstand12