Dell OptiPlex 94CGN Setup And Quick Reference Manual

Contents

Dell OptiPlex 94CGN Setup And Quick Reference Manual Manual pdf 12 page image

Setup and Quick Reference Guide 111 Turn off your computer and any peripherals.2 Ground yourself by touching an unpainted metal surface on thechassis, such as the metal around the card-slot openings at the back ofthe computer, before touching anything inside your computer.While you work, periodically touch an unpainted metal surface on thecomputer chassis to dissipate any static electricity that might harminternal components.3 Disconnect your computer and peripherals from their power sources.Also, disconnect any telephone or telecommunication lines from thecomputer.Doing so reduces the potential for personal injury or shock.In addition, take note of these safety guidelines when appropriate:• To avoid shorting out your computer when disconnecting a networkcable, first unplug the cable from the network interface controller(NIC) on the back of your computer, and then from the network jackon the wall. When reconnecting a network cable to your computer,first plug the cable into the network jack, and then into the NIC.• When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector withlocking tabs; if you are disconnecting this type of cable, press in on thelocking tabs before disconnecting the cable. As you pull connectorsapart, keep them evenly aligned to avoid bending any connector pins.Also, before you connect a cable, make sure both connectors arecorrectly oriented and aligned.• Handle components and cards with care. Do not touch thecomponents or contacts on a card. Hold a card by its edges or by itsmetal mounting bracket. Hold a component such as a microprocessorchip by its edges, not by its pins.When Using Your Computer SystemAs you use your computer system, observe the following safety guidelines.CAUTION: Do not operate your computer system with any cover(s)(including computer covers, bezels, filler brackets, and front-panel inserts) removed.