System Board 7717System 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.CAUTION: Handle components and cards by their edges, and avoid touching pinsand contacts.Removing the System Board1 Follow the instructions in "Before You Begin" on page 9.2 Press and eject any installed cards or blanks from the 8-in-1 media cardreader.3 Remove the battery (see "Removing the Battery" on page 15).4 Remove the module cover (see "Removing the Module Cover" onpage 17).5 Remove the memory module(s) (see "Removing the Memory Module(s)"on page 23).6 Follow the instructions from step 4 to step 5 in "Removing the OpticalDrive" on page 19.7 Disconnect the AC-adapter connector cable from the connector on thesystem board.