ok, thanks for the info, but no reset button. it is a neighbours computer and somebody told her its the mb. dont no how he can possibly think that. there is power going through because the green led on the board is lit.
It is posssible to "short" the mobo connection with a small screwdriver,it is somthing i havent done,but i know people who have just to test the theory u have.So i will let those who have tried this approach advise).