Removing the display built-in selftest button boardWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps in Beforeworking inside your computer. After working inside your computer, followthe instructions in After working inside your computer. For more safety bestpractices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.Prerequisites1 Remove the USB dongle-bay cover.2 Remove the back cover.3 Remove the stand.4 Remove the inner frame.Procedure1 Remove the power-button cable from the routing guide on the power-buttonboard shield.2 Remove the two screws (M2X3) that secure the power-button board shield tothe middle frame.3 Lift the power-button board shield off the middle frame.4 Disconnect the Display Built-in Self Test button cable from the power-buttonboard.5 Remove the Display Built-in Self Test button cable from the routing guide on themiddle frame.6 Remove the two screws (M2X3) that secure the Display Built-in Self Testbutton board to the middle frame.74
