hi there.this is the first time ive used a forum..and i am not brilliant with computors...i will give it a go..i have just read your input on sharp innova..it was very interesting..i have a mate whos got a sharp innova II its in good conditon it pumps up.but when you pull the trigger nothing happens,its like a safety is on.but there does not apear to be a safety catch anywhere..have you any idea what the problem might be..