HP HP-380467-003 Upgrading and Servicing Guide - Page 5
Safety Information, Opening and Closing the PC, Preparing the PC, Before Opening the PC
UPC - 846084030171
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Safety Information This product has not been evaluated for connection to an "IT" power system (an AC distribution system with no direct connection to earth, according to IEC 60950). WARNING: Please read "Safety Information" in the beginning of the User's Guide before installing and connecting your system to the electrical power system. The Upgrading and Servicing Guide provides instructions on how to remove and replace hardware components of your PC. Opening and Closing the PC Preparing the PC Before you upgrade any component in your PC, you need to prepare the PC so that you can safely handle it and the components. Read the following items before attempting to upgrade or service the PC. • These procedures assume familiarity with the general terminology associated with personal computers and with the safety practices and regulatory compliance required for using and modifying electronic equipment. • Write down and save the system model and serial numbers, all installed options and other information about the system. It will be easier to consult this information than to open up and examine the PC. • HP recommends that you use an antistatic wrist strap and a conductive foam pad when working on the system. WARNING: Always disconnect the modem cable from the telephone system, and then disconnect the PC from the power source before removing the front and side panels of the PC. Failure to do so before you open the PC, or do any procedures, can result in personal injury or equipment damage. Before Opening the PC To avoid injury and equipment damage, always follow this procedure in this order before opening the PC: 1 Remove any diskette or optical disc (CD or DVD) from the PC. 2 Click the Start button, and then click Turn Off Computer. Click Turn Off. Upgrading and Servicing Guide 1