9As you use your computer, observe the following safe-handling guidelines.When Using Your ComputerCAUTION: Do not operate your computer with any cover(s)(including the computer cover, filler brackets, front-panel inserts,and so on) removed or opened.• To help avoid damaging your computer, be sure that the voltageselection switch is set to match the AC power available at yourlocation:– 115 V/60 Hz in most of North and South America and some FarEastern countries such as South Korea and Taiwan– 100 V/50 Hz in eastern Japan and 100 V/60 Hz in western JapanNOTE: The voltage selection switch must be set to the 115V positioneven though the AC supply in Japan is 100 V.– 230 V/50 Hz in most of Europe, the Middle East, and the Far EastAlso be sure that your monitor and attached devices are electricallyrated to operate with the AC power available in your location.• To avoid shorting out your computer when disconnecting a networkcable, first unplug the cable from the network adapter on the back ofyour computer, and then from the network jack. When reconnecting anetwork cable to your computer, first plug the cable into the networkjack, and then into the network adapter.• To help avoid possible damage to the system board, wait 5 secondsafter turning off the computer before disconnecting or connecting anon-USB device from the computer.
