1 Upgrading your computer - 5NoteThe screws for the different components vary in size. During the disassemblyprocess, group the screws with their corresponding components to avoidmismatches when putting back the components.1 UPGRADING YOUR COMPUTERInstallation precautionsBefore you install any computer component, we recommend that youread the following sections. These sections contain important ESDprecautions along with pre-installation and post-installationinstructions.ESD precautionsElectrostatic discharge (ESD) can damage your processor, diskdrives, expansion boards, and other components. Always observe thefollowing precautions before you install a computer component:1. Do not remove a component from its protective packaging until youare ready to install it.2. Wear a wrist grounding strap and attach it to a metal part of thecomputer before handling components. If a wrist strap is notavailable, maintain contact with the computer throughout anyprocedure requiring ESD protection.Required toolsIn performing the component replacement process, you will need thefollowing tools:• Philips screwdriver• Hex screwdriver• Flat screwdriver• Scissors