Adding and Replacing Parts 87Adding and Replacing PartsBefore You BeginThis section provides procedures for removing and installing the components in your computer.Unless otherwise noted, each procedure assumes that the following conditions exist:• You have performed the steps in "Shutting Down Your Computer."• You have read the safety information in the Product Information Guide.Recommended ToolsThe procedures in this document may require the following tools:• Small flat-blade screwdriver• Phillips screwdriver• Small plastic scribe• Flash BIOS update program floppy disk or CDShutting Down Your ComputerUse the following safety guidelines to help protect your computer from potential damage and toensure your own personal safety.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.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.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: 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.D7898bk2.book Page 87 Friday, April 29, 2005 9:39 AM
