1DELL P2424HEBUnplug external cables(power cable and videocable) from the monitor.S2Turn off power..1. Disassembly Procedures:S1Remove stand from the product.(Press the standrelease button, lift the stand up and away from themonitor)S3S4S5S6S7Use a Philips-head screwdriver to remove 4pcsscrews for unlocking mechanisms. Remove DP cap.(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)Wedge 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.2 34 13212Lift the rear cover up carefully. Disconnect thejoystick key cable from the connector of the mainboard, and then remove the rear cover and put itaside for later disassembling.Use a Philips-head screwdriver to remove 3pcs screwfor unlocking the joystick board, and then tear off allthe tapes on the back of the cable and release thejoystick cable from the rear cover.(No.1~3 screw size=M2x3.3, Torque=1±0.2kgfxcm)213213