Dell Inspiron 620 Service Manual - Page 2

Back to Contents Page Before You Begin Dell™ Inspiron™ 620s Service Manual Technical Specifications Recommended Tools Turning Off Your Computer Safety Instructions This manual provides instructions for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l You have performed the steps in Turning Off Your Computer and Safety Instructions. l You have read the safety information that shipped with your computer. l A component can be replaced or-if purchased separately-installed by performing the removal procedure in reverse order. Technical Specifications For information on technical specifications of your computer, see the Setup Guide at support.dell.com/manuals. Recommended Tools The instructions in this document may require the following tools: l Small flat-blade screwdriver l Small Phillips screwdriver l Plastic scribe l BIOS executable update program available at support.dell.com Turning Off Your Computer CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1. Save and close all open files and exit all open programs. 2. To shut down the operating system, click Start and then click Shut Down. 3. Ensure that the computer is turned off. If your computer did not automatically turn off when you shut down the operating system, press and hold the power button until the computer turns off. Safety Instructions Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned. CAUTION: To avoid damaging the computer, perform the following steps before you begin working inside the computer. 1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.