Getting Started 1-4Turning On and Off the ComputerTurning On1. Make sure that the computer is connected to AC power.2. Press the power button ( ).3. Each time the computer is turned on, it performs a Power-On SelfTest (POST), and the operating system such as Windows should start.Turning OffTo turn off the computer power, use the “Shut Down” command of youroperating system.NOTE: There are other ways you can stop the computer so thatyou will be back to where you left off when you next turn on thecomputer. (See “Stopping the Computer” in Chapter 2 forinformation.)CAUTION: If you have to turn the computer on againimmediately after turning it off, wait for at least five seconds.Turning the computer off and on rapidly can damage it.