Sony PCV-RS221 VAIO User Guide - Page 64
Overview, Electrostatic discharge ESD can damage disk drives, add-on cards
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Overview The upgrading procedures described in this section assume that you are familiar with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using and modifying electronic equipment. Your computer may not be equipped with all of the hardware features mentioned in this section. The interior configuration of your system may vary from the illustrations, depending the computer purchased. To view the specific hardware configuration for your system, see the online specifications sheet. Before upgrading your computer Disconnect the computer from its power source and from telecommunications links, networks, or modems before you open the unit or follow any procedures described in this section. Failure to disconnect your computer from its power source may result in personal injury or equipment damage. Electrostatic discharge (ESD) can damage disk drives, add-on cards, and other components. Work at an ESD workstation when following the procedures described in this section. If an ESD station is not available, use these precautions: Avoid working in a carpeted area Do not handle materials that may produce or hold static electricity, such as cellophane wrappers. Ground yourself by maintaining continuous contact with an unpainted metal portion of the chassis while performing the procedure. When removing a slot cover or other internal components, avoid rough handling that may damage the system board or add-on cards. You may need to temporarily remove add-on cards or other components that may be near the slot cover you plan to remove. Electrostatic discharge (ESD) can damage disk drives, add-on cards, and other components. Follow the procedures described here only at an ESD workstation. If such a station is not available, do not work in a carpeted area and do not handle materials that produce or hold static electricity (for example, cellophane wrappers). Ground yourself by maintaining continuous contact with an unpainted metal portion of the chassis while performing the procedure. Always turn the power off before you open the system or connect your computer to peripheral equipment. Otherwise, damage may occur to the integrated circuits in your computer. Page 64