Dell Inspiron 9300 Owner's Manual

Also see for Inspiron 9300: Owner's manual Service manual Service manual

Contents

82 Adding and Replacing Partsw w w . d e l l . c o m | s u p p o r t . d e l l . c o m Before Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage and tohelp ensure your own personal safety.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.CAUTION: Handle components and cards with care. Do not touch the components or contacts on acard. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a processorby its edges, not by its pins.NOTICE: Only a certified service technician should perform repairs on your computer. Damage due toservicing that is not authorized by Dell is not covered by your warranty.NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cableitself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, pressin on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenlyaligned to avoid bending any connector pins. Also, before you connect a cable, ensure that bothconnectors are correctly oriented and aligned.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or byperiodically touching an unpainted metal surface (such as a connector on the back of the computer).NOTICE: To avoid damaging the computer, perform the following steps before you begin working insidethe computer.1 Ensure that the work surface is flat and clean to prevent the computer cover from beingscratched.2 Turn off your computer. See page 81.3 If the computer is connected to a docking device (docked), undock it. See the documentationthat came with your docking device for instructions.NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug itfrom the network wall jack.4 Disconnect any telephone or network cables from the computer.NOTICE: To avoid damaging the system board, you must remove the main battery before you service thecomputer.