arrange the steps in checking the power below.Write 1,2,3,4,5 and 6 on the blank provided before each number. __1.turn on the AVR and a led indicator will light red. __2.you will hear a sound of a BEEP and the swooshing sound of a fan. __3.plug the power cord of the computer to the AVR/UPS __4.wait until you see the Operating system (OS) on your screen __5.plug in the AVR cord to the wall outlet __6.push the power button of the CPU , the led indicator is turned to color green or blue or red.