Dell Latitude D820 User Manual

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Contents

Dell Latitude D820 User Manual Manual pdf 54 page image

Back to Contents PageAdding and Replacing PartsDell™ Latitude™ D820 User's GuideBefore You BeginThis chapter provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that thefollowing conditions exist:l You have performed the steps in Turning Off Your Computer and Before Working Inside Your Computer.l You have read the safety information in your Dell™ Product Information Guide.Recommended ToolsThe procedures in this document may require the following tools:l Small flat-blade screwdriverl Phillips screwdriverl Small plastic scribel Flash BIOS update (see the Dell Support website at support.dell.com)Turning Off Your Computer1. Shut down the operating system:a. Save and close any open files, exit any open programs, click Start® Shut Down.b. Select Shut down® OK.The computer turns off after the operating system shutdown process finishes.2. Ensure that the computer and any attached devices are turned off. If your computer and attached devices did not automatically turn off when you shutdown your operating system, press and hold the power button for 4 seconds.Before Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety.1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.2. Turn off your computer (see Turning Off Your Computer).Before You Begin MemoryHard Drive Subscriber Identity Module (SIM) CardMedia Bay Wireless CardsHinge Cover Internal Card With Bluetooth® Wireless TechnologyKeyboard Coin-Cell BatteryNOTICE: To avoid losing data, save and close any open files and exit any open programs before you turn off your computer.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metalmounting bracket. Hold a component such as a processor by its edges, not by its pins.NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is notcovered by your warranty.NOTICE: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have a connector with locking tabs; ifyou are disconnecting this type of cable, press in 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 both connectors are correctly oriented and aligned.NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.