1. set on/off switch to on, 2.prime it first, push the bubble about 6x 3. pull the choke all the way out, 4.pull trigger and string simultaneously 5. push in choke halfway try again, pull choke back out and etc. should start after repeating steps 4 and 5 3x or 4x when it does start, pump the gas at half choke then let it idle untill it stops push in choke all the way and it should start. don't forget to check the safety bar in front of the handle usually works with most gas operated tools