Power Button Board 4110Power Button BoardWARNING: Before working inside your computer, read the safety informationthat shipped with your computer. For additional safety best practices information,see the Regulatory Compliance Homepage at dell.com/regulatory_compliance.CAUTION: Only a certified service technician should perform repairs on yourcomputer. Damage due to servicing that is not authorized by Dell is not covered byyour warranty.CAUTION: To avoid electrostatic discharge, ground yourself by using a wristgrounding strap or by periodically touching an unpainted metal surface (such as aconnector on your computer).CAUTION: To help prevent damage to the system board, remove the main battery(see "Removing the Battery" on page 15) before working inside the computer.Removing the Power Button Board1 Follow the instructions in "Before You Begin" on page 9.2 Remove the battery (see "Removing the Battery" on page 15).3 Remove the module cover (see "Removing the Module Cover" onpage 17).4 Follow the instructions from step 4 to step 5 in "Removing the OpticalDrive" on page 19.5 Remove the keyboard (see "Removing the Keyboard" on page 27).6 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly"on page 31).7 Turn the palm-rest assembly over.8 Remove the power-button board cable from the slot on the palm-restassembly.9 Remove the screw that secures the power button board to the palm-restassembly.